<h2>File Contents: /home/planet5/public_html/wp-includes/SimplePie/src/Misc.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/public_html/wp-includes/SimplePie/src/Misc.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php

// SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue
// SPDX-License-Identifier: BSD-3-Clause

declare(strict_types=1);

namespace SimplePie;

use SimplePie\XML\Declaration\Parser;

/**
 * Miscellaneous utilities
 */
class Misc
{
    /** @var int|null */
    private static $SIMPLEPIE_BUILD = null;

    /**
     * @return string
     */
    public static function time_hms(int $seconds)
    {
        $time = &#039;&#039;;

        $hours = floor($seconds / 3600);
        $remainder = $seconds % 3600;
        if ($hours &gt; 0) {
            $time .= $hours.&#039;:&#039;;
        }

        $minutes = floor($remainder / 60);
        $seconds = $remainder % 60;
        if ($minutes &lt; 10 &amp;&amp; $hours &gt; 0) {
            $minutes = &#039;0&#039; . $minutes;
        }
        if ($seconds &lt; 10) {
            $seconds = &#039;0&#039; . $seconds;
        }

        $time .= $minutes.&#039;:&#039;;
        $time .= $seconds;

        return $time;
    }

    /**
     * @return string|false
     */
    public static function absolutize_url(string $relative, string $base)
    {
        $iri = \SimplePie\IRI::absolutize(new \SimplePie\IRI($base), $relative);
        if ($iri === false) {
            return false;
        }
        return $iri-&gt;get_uri();
    }

    /**
     * @internal
     */
    public static function is_remote_uri(string $uri): bool
    {
        return preg_match(&#039;/^https?:\/\//i&#039;, $uri) === 1;
    }

    /**
     * Get a HTML/XML element from a HTML string
     *
     * @deprecated since SimplePie 1.3, use DOMDocument instead (parsing HTML with regex is bad!)
     * @param string $realname Element name (including namespace prefix if applicable)
     * @param string $string HTML document
     * @return array&lt;array{tag: string, self_closing: bool, attribs: array&lt;string, array{data: string}&gt;, content?: string}&gt;
     */
    public static function get_element(string $realname, string $string)
    {
        // trigger_error(sprintf(&#039;Using method &quot;&#039; . __METHOD__ . &#039;&quot; is deprecated since SimplePie 1.3, use &quot;DOMDocument&quot; instead.&#039;), \E_USER_DEPRECATED);

        $return = [];
        $name = preg_quote($realname, &#039;/&#039;);
        if (preg_match_all(&quot;/&lt;($name)&quot; . \SimplePie\SimplePie::PCRE_HTML_ATTRIBUTE . &quot;(&gt;(.*)&lt;\/$name&gt;|(\/)?&gt;)/siU&quot;, $string, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
            for ($i = 0, $total_matches = count($matches); $i &lt; $total_matches; $i++) {
                $return[$i][&#039;tag&#039;] = $realname;
                $return[$i][&#039;full&#039;] = $matches[$i][0][0];
                $return[$i][&#039;offset&#039;] = $matches[$i][0][1];
                if (strlen($matches[$i][3][0]) &lt;= 2) {
                    $return[$i][&#039;self_closing&#039;] = true;
                } else {
                    $return[$i][&#039;self_closing&#039;] = false;
                    $return[$i][&#039;content&#039;] = $matches[$i][4][0];
                }
                $return[$i][&#039;attribs&#039;] = [];
                if (isset($matches[$i][2][0]) &amp;&amp; preg_match_all(&#039;/[\x09\x0A\x0B\x0C\x0D\x20]+([^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*)(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:&quot;([^&quot;]*)&quot;|\&#039;([^\&#039;]*)\&#039;|([^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?/&#039;, &#039; &#039; . $matches[$i][2][0] . &#039; &#039;, $attribs, PREG_SET_ORDER)) {
                    foreach ($attribs as $attrib) {
                        if (count($attrib) === 2) {
                            $attrib[2] = $attrib[1];
                        }
                        $return[$i][&#039;attribs&#039;][strtolower($attrib[1])][&#039;data&#039;] = Misc::entities_decode(end($attrib));
                    }
                }
            }
        }
        return $return;
    }

    /**
     * @deprecated since SimplePie 1.9.0. If you need it, you can copy the function to your codebase. But you should consider using `DOMDocument` for any DOM wrangling.
     * @param array{tag: string, self_closing: bool, attribs: array&lt;string, array{data: string}&gt;, content: string} $element
     * @return string
     */
    public static function element_implode(array $element)
    {
        // trigger_error(sprintf(&#039;Using method &quot;&#039; . __METHOD__ . &#039;&quot; is deprecated since SimplePie 1.9.&#039;), \E_USER_DEPRECATED);

        $full = &quot;&lt;{$element[&#039;tag&#039;]}&quot;;
        foreach ($element[&#039;attribs&#039;] as $key =&gt; $value) {
            $key = strtolower($key);
            $full .= &quot; $key=\&quot;&quot; . htmlspecialchars($value[&#039;data&#039;], ENT_COMPAT, &#039;UTF-8&#039;) . &#039;&quot;&#039;;
        }
        if ($element[&#039;self_closing&#039;]) {
            $full .= &#039; /&gt;&#039;;
        } else {
            $full .= &quot;&gt;{$element[&#039;content&#039;]}&lt;/{$element[&#039;tag&#039;]}&gt;&quot;;
        }
        return $full;
    }

    /**
     * @param string $message
     * @param int $level
     * @param string $file
     * @param int $line
     * @return string
     */
    public static function error(string $message, int $level, string $file, int $line)
    {
        if ((error_reporting() &amp; $level) &gt; 0) {
            switch ($level) {
                case E_USER_ERROR:
                    $note = &#039;PHP Error&#039;;
                    break;
                case E_USER_WARNING:
                    $note = &#039;PHP Warning&#039;;
                    break;
                case E_USER_NOTICE:
                    $note = &#039;PHP Notice&#039;;
                    break;
                default:
                    $note = &#039;Unknown Error&#039;;
                    break;
            }

            $log_error = true;
            if (!function_exists(&#039;error_log&#039;)) {
                $log_error = false;
            }

            $log_file = @ini_get(&#039;error_log&#039;);
            if (!empty($log_file) &amp;&amp; (&#039;syslog&#039; !== $log_file) &amp;&amp; !@is_writable($log_file)) {
                $log_error = false;
            }

            if ($log_error) {
                @error_log(&quot;$note: $message in $file on line $line&quot;, 0);
            }
        }

        return $message;
    }

    /**
     * @return string
     */
    public static function fix_protocol(string $url, int $http = 1)
    {
        $url = Misc::normalize_url($url);
        $parsed = Misc::parse_url($url);
        if ($parsed[&#039;scheme&#039;] !== &#039;&#039; &amp;&amp; $parsed[&#039;scheme&#039;] !== &#039;http&#039; &amp;&amp; $parsed[&#039;scheme&#039;] !== &#039;https&#039;) {
            return Misc::fix_protocol(Misc::compress_parse_url(&#039;http&#039;, $parsed[&#039;authority&#039;], $parsed[&#039;path&#039;], $parsed[&#039;query&#039;], $parsed[&#039;fragment&#039;]), $http);
        }

        if ($parsed[&#039;scheme&#039;] === &#039;&#039; &amp;&amp; $parsed[&#039;authority&#039;] === &#039;&#039; &amp;&amp; !file_exists($url)) {
            return Misc::fix_protocol(Misc::compress_parse_url(&#039;http&#039;, $parsed[&#039;path&#039;], &#039;&#039;, $parsed[&#039;query&#039;], $parsed[&#039;fragment&#039;]), $http);
        }

        if ($http === 2 &amp;&amp; $parsed[&#039;scheme&#039;] !== &#039;&#039;) {
            return &quot;feed:$url&quot;;
        } elseif ($http === 3 &amp;&amp; strtolower($parsed[&#039;scheme&#039;]) === &#039;http&#039;) {
            return substr_replace($url, &#039;podcast&#039;, 0, 4);
        } elseif ($http === 4 &amp;&amp; strtolower($parsed[&#039;scheme&#039;]) === &#039;http&#039;) {
            return substr_replace($url, &#039;itpc&#039;, 0, 4);
        }

        return $url;
    }

    /**
     * @deprecated since SimplePie 1.8.0, use PHP native array_replace_recursive() instead.
     * @param array&lt;mixed&gt; $array1
     * @param array&lt;mixed&gt; $array2
     * @return array&lt;mixed&gt;
     */
    public static function array_merge_recursive(array $array1, array $array2)
    {
        foreach ($array2 as $key =&gt; $value) {
            if (is_array($value)) {
                $array1[$key] = Misc::array_merge_recursive($array1[$key], $value);
            } else {
                $array1[$key] = $value;
            }
        }

        return $array1;
    }

    /**
     * @return array&lt;string, string&gt;
     */
    public static function parse_url(string $url)
    {
        $iri = new \SimplePie\IRI($url);
        return [
            &#039;scheme&#039; =&gt; (string) $iri-&gt;scheme,
            &#039;authority&#039; =&gt; (string) $iri-&gt;authority,
            &#039;path&#039; =&gt; (string) $iri-&gt;path,
            &#039;query&#039; =&gt; (string) $iri-&gt;query,
            &#039;fragment&#039; =&gt; (string) $iri-&gt;fragment
        ];
    }

    /**
     * @return string
     */
    public static function compress_parse_url(string $scheme = &#039;&#039;, string $authority = &#039;&#039;, string $path = &#039;&#039;, string $query = &#039;&#039;, ?string $fragment = &#039;&#039;)
    {
        $iri = new \SimplePie\IRI(&#039;&#039;);
        $iri-&gt;scheme = $scheme;
        $iri-&gt;authority = $authority;
        $iri-&gt;path = $path;
        $iri-&gt;query = $query;
        $iri-&gt;fragment = $fragment;
        return $iri-&gt;get_uri();
    }

    /**
     * @return string
     */
    public static function normalize_url(string $url)
    {
        $iri = new \SimplePie\IRI($url);
        return $iri-&gt;get_uri();
    }

    /**
     * @deprecated since SimplePie 1.9.0. This functionality is part of `IRI` – if you need it standalone, consider copying the function to your codebase.
     * @param array&lt;int, string&gt; $match
     * @return string
     */
    public static function percent_encoding_normalization(array $match)
    {
        $integer = hexdec($match[1]);
        if ($integer &gt;= 0x41 &amp;&amp; $integer &lt;= 0x5A || $integer &gt;= 0x61 &amp;&amp; $integer &lt;= 0x7A || $integer &gt;= 0x30 &amp;&amp; $integer &lt;= 0x39 || $integer === 0x2D || $integer === 0x2E || $integer === 0x5F || $integer === 0x7E) {
            // Cast for PHPStan, the value would only be float when above PHP_INT_MAX, which would not go in this branch.
            return chr((int) $integer);
        }

        return strtoupper($match[0]);
    }

    /**
     * Converts a Windows-1252 encoded string to a UTF-8 encoded string
     *
     * @static
     * @param string $string Windows-1252 encoded string
     * @return string UTF-8 encoded string
     */
    public static function windows_1252_to_utf8(string $string)
    {
        static $convert_table = [&quot;\x80&quot; =&gt; &quot;\xE2\x82\xAC&quot;, &quot;\x81&quot; =&gt; &quot;\xEF\xBF\xBD&quot;, &quot;\x82&quot; =&gt; &quot;\xE2\x80\x9A&quot;, &quot;\x83&quot; =&gt; &quot;\xC6\x92&quot;, &quot;\x84&quot; =&gt; &quot;\xE2\x80\x9E&quot;, &quot;\x85&quot; =&gt; &quot;\xE2\x80\xA6&quot;, &quot;\x86&quot; =&gt; &quot;\xE2\x80\xA0&quot;, &quot;\x87&quot; =&gt; &quot;\xE2\x80\xA1&quot;, &quot;\x88&quot; =&gt; &quot;\xCB\x86&quot;, &quot;\x89&quot; =&gt; &quot;\xE2\x80\xB0&quot;, &quot;\x8A&quot; =&gt; &quot;\xC5\xA0&quot;, &quot;\x8B&quot; =&gt; &quot;\xE2\x80\xB9&quot;, &quot;\x8C&quot; =&gt; &quot;\xC5\x92&quot;, &quot;\x8D&quot; =&gt; &quot;\xEF\xBF\xBD&quot;, &quot;\x8E&quot; =&gt; &quot;\xC5\xBD&quot;, &quot;\x8F&quot; =&gt; &quot;\xEF\xBF\xBD&quot;, &quot;\x90&quot; =&gt; &quot;\xEF\xBF\xBD&quot;, &quot;\x91&quot; =&gt; &quot;\xE2\x80\x98&quot;, &quot;\x92&quot; =&gt; &quot;\xE2\x80\x99&quot;, &quot;\x93&quot; =&gt; &quot;\xE2\x80\x9C&quot;, &quot;\x94&quot; =&gt; &quot;\xE2\x80\x9D&quot;, &quot;\x95&quot; =&gt; &quot;\xE2\x80\xA2&quot;, &quot;\x96&quot; =&gt; &quot;\xE2\x80\x93&quot;, &quot;\x97&quot; =&gt; &quot;\xE2\x80\x94&quot;, &quot;\x98&quot; =&gt; &quot;\xCB\x9C&quot;, &quot;\x99&quot; =&gt; &quot;\xE2\x84\xA2&quot;, &quot;\x9A&quot; =&gt; &quot;\xC5\xA1&quot;, &quot;\x9B&quot; =&gt; &quot;\xE2\x80\xBA&quot;, &quot;\x9C&quot; =&gt; &quot;\xC5\x93&quot;, &quot;\x9D&quot; =&gt; &quot;\xEF\xBF\xBD&quot;, &quot;\x9E&quot; =&gt; &quot;\xC5\xBE&quot;, &quot;\x9F&quot; =&gt; &quot;\xC5\xB8&quot;, &quot;\xA0&quot; =&gt; &quot;\xC2\xA0&quot;, &quot;\xA1&quot; =&gt; &quot;\xC2\xA1&quot;, &quot;\xA2&quot; =&gt; &quot;\xC2\xA2&quot;, &quot;\xA3&quot; =&gt; &quot;\xC2\xA3&quot;, &quot;\xA4&quot; =&gt; &quot;\xC2\xA4&quot;, &quot;\xA5&quot; =&gt; &quot;\xC2\xA5&quot;, &quot;\xA6&quot; =&gt; &quot;\xC2\xA6&quot;, &quot;\xA7&quot; =&gt; &quot;\xC2\xA7&quot;, &quot;\xA8&quot; =&gt; &quot;\xC2\xA8&quot;, &quot;\xA9&quot; =&gt; &quot;\xC2\xA9&quot;, &quot;\xAA&quot; =&gt; &quot;\xC2\xAA&quot;, &quot;\xAB&quot; =&gt; &quot;\xC2\xAB&quot;, &quot;\xAC&quot; =&gt; &quot;\xC2\xAC&quot;, &quot;\xAD&quot; =&gt; &quot;\xC2\xAD&quot;, &quot;\xAE&quot; =&gt; &quot;\xC2\xAE&quot;, &quot;\xAF&quot; =&gt; &quot;\xC2\xAF&quot;, &quot;\xB0&quot; =&gt; &quot;\xC2\xB0&quot;, &quot;\xB1&quot; =&gt; &quot;\xC2\xB1&quot;, &quot;\xB2&quot; =&gt; &quot;\xC2\xB2&quot;, &quot;\xB3&quot; =&gt; &quot;\xC2\xB3&quot;, &quot;\xB4&quot; =&gt; &quot;\xC2\xB4&quot;, &quot;\xB5&quot; =&gt; &quot;\xC2\xB5&quot;, &quot;\xB6&quot; =&gt; &quot;\xC2\xB6&quot;, &quot;\xB7&quot; =&gt; &quot;\xC2\xB7&quot;, &quot;\xB8&quot; =&gt; &quot;\xC2\xB8&quot;, &quot;\xB9&quot; =&gt; &quot;\xC2\xB9&quot;, &quot;\xBA&quot; =&gt; &quot;\xC2\xBA&quot;, &quot;\xBB&quot; =&gt; &quot;\xC2\xBB&quot;, &quot;\xBC&quot; =&gt; &quot;\xC2\xBC&quot;, &quot;\xBD&quot; =&gt; &quot;\xC2\xBD&quot;, &quot;\xBE&quot; =&gt; &quot;\xC2\xBE&quot;, &quot;\xBF&quot; =&gt; &quot;\xC2\xBF&quot;, &quot;\xC0&quot; =&gt; &quot;\xC3\x80&quot;, &quot;\xC1&quot; =&gt; &quot;\xC3\x81&quot;, &quot;\xC2&quot; =&gt; &quot;\xC3\x82&quot;, &quot;\xC3&quot; =&gt; &quot;\xC3\x83&quot;, &quot;\xC4&quot; =&gt; &quot;\xC3\x84&quot;, &quot;\xC5&quot; =&gt; &quot;\xC3\x85&quot;, &quot;\xC6&quot; =&gt; &quot;\xC3\x86&quot;, &quot;\xC7&quot; =&gt; &quot;\xC3\x87&quot;, &quot;\xC8&quot; =&gt; &quot;\xC3\x88&quot;, &quot;\xC9&quot; =&gt; &quot;\xC3\x89&quot;, &quot;\xCA&quot; =&gt; &quot;\xC3\x8A&quot;, &quot;\xCB&quot; =&gt; &quot;\xC3\x8B&quot;, &quot;\xCC&quot; =&gt; &quot;\xC3\x8C&quot;, &quot;\xCD&quot; =&gt; &quot;\xC3\x8D&quot;, &quot;\xCE&quot; =&gt; &quot;\xC3\x8E&quot;, &quot;\xCF&quot; =&gt; &quot;\xC3\x8F&quot;, &quot;\xD0&quot; =&gt; &quot;\xC3\x90&quot;, &quot;\xD1&quot; =&gt; &quot;\xC3\x91&quot;, &quot;\xD2&quot; =&gt; &quot;\xC3\x92&quot;, &quot;\xD3&quot; =&gt; &quot;\xC3\x93&quot;, &quot;\xD4&quot; =&gt; &quot;\xC3\x94&quot;, &quot;\xD5&quot; =&gt; &quot;\xC3\x95&quot;, &quot;\xD6&quot; =&gt; &quot;\xC3\x96&quot;, &quot;\xD7&quot; =&gt; &quot;\xC3\x97&quot;, &quot;\xD8&quot; =&gt; &quot;\xC3\x98&quot;, &quot;\xD9&quot; =&gt; &quot;\xC3\x99&quot;, &quot;\xDA&quot; =&gt; &quot;\xC3\x9A&quot;, &quot;\xDB&quot; =&gt; &quot;\xC3\x9B&quot;, &quot;\xDC&quot; =&gt; &quot;\xC3\x9C&quot;, &quot;\xDD&quot; =&gt; &quot;\xC3\x9D&quot;, &quot;\xDE&quot; =&gt; &quot;\xC3\x9E&quot;, &quot;\xDF&quot; =&gt; &quot;\xC3\x9F&quot;, &quot;\xE0&quot; =&gt; &quot;\xC3\xA0&quot;, &quot;\xE1&quot; =&gt; &quot;\xC3\xA1&quot;, &quot;\xE2&quot; =&gt; &quot;\xC3\xA2&quot;, &quot;\xE3&quot; =&gt; &quot;\xC3\xA3&quot;, &quot;\xE4&quot; =&gt; &quot;\xC3\xA4&quot;, &quot;\xE5&quot; =&gt; &quot;\xC3\xA5&quot;, &quot;\xE6&quot; =&gt; &quot;\xC3\xA6&quot;, &quot;\xE7&quot; =&gt; &quot;\xC3\xA7&quot;, &quot;\xE8&quot; =&gt; &quot;\xC3\xA8&quot;, &quot;\xE9&quot; =&gt; &quot;\xC3\xA9&quot;, &quot;\xEA&quot; =&gt; &quot;\xC3\xAA&quot;, &quot;\xEB&quot; =&gt; &quot;\xC3\xAB&quot;, &quot;\xEC&quot; =&gt; &quot;\xC3\xAC&quot;, &quot;\xED&quot; =&gt; &quot;\xC3\xAD&quot;, &quot;\xEE&quot; =&gt; &quot;\xC3\xAE&quot;, &quot;\xEF&quot; =&gt; &quot;\xC3\xAF&quot;, &quot;\xF0&quot; =&gt; &quot;\xC3\xB0&quot;, &quot;\xF1&quot; =&gt; &quot;\xC3\xB1&quot;, &quot;\xF2&quot; =&gt; &quot;\xC3\xB2&quot;, &quot;\xF3&quot; =&gt; &quot;\xC3\xB3&quot;, &quot;\xF4&quot; =&gt; &quot;\xC3\xB4&quot;, &quot;\xF5&quot; =&gt; &quot;\xC3\xB5&quot;, &quot;\xF6&quot; =&gt; &quot;\xC3\xB6&quot;, &quot;\xF7&quot; =&gt; &quot;\xC3\xB7&quot;, &quot;\xF8&quot; =&gt; &quot;\xC3\xB8&quot;, &quot;\xF9&quot; =&gt; &quot;\xC3\xB9&quot;, &quot;\xFA&quot; =&gt; &quot;\xC3\xBA&quot;, &quot;\xFB&quot; =&gt; &quot;\xC3\xBB&quot;, &quot;\xFC&quot; =&gt; &quot;\xC3\xBC&quot;, &quot;\xFD&quot; =&gt; &quot;\xC3\xBD&quot;, &quot;\xFE&quot; =&gt; &quot;\xC3\xBE&quot;, &quot;\xFF&quot; =&gt; &quot;\xC3\xBF&quot;];

        return strtr($string, $convert_table);
    }

    /**
     * Change a string from one encoding to another
     *
     * @param string $data Raw data in $input encoding
     * @param string $input Encoding of $data
     * @param string $output Encoding you want
     * @return string|false False if we can&#039;t convert it
     */
    public static function change_encoding(string $data, string $input, string $output)
    {
        $input = Misc::encoding($input);
        $output = Misc::encoding($output);

        // We fail to fail on non US-ASCII bytes
        if ($input === &#039;US-ASCII&#039;) {
            static $non_ascii_octets = &#039;&#039;;
            if (!$non_ascii_octets) {
                for ($i = 0x80; $i &lt;= 0xFF; $i++) {
                    $non_ascii_octets .= chr($i);
                }
            }
            $data = substr($data, 0, strcspn($data, $non_ascii_octets));
        }

        // This is first, as behaviour of this is completely predictable
        if ($input === &#039;windows-1252&#039; &amp;&amp; $output === &#039;UTF-8&#039;) {
            return Misc::windows_1252_to_utf8($data);
        }
        // This is second, as behaviour of this varies only with PHP version (the middle part of this expression checks the encoding is supported).
        elseif (function_exists(&#039;mb_convert_encoding&#039;) &amp;&amp; ($return = Misc::change_encoding_mbstring($data, $input, $output))) {
            return $return;
        }
        // This is third, as behaviour of this varies with OS userland and PHP version
        elseif (function_exists(&#039;iconv&#039;) &amp;&amp; ($return = Misc::change_encoding_iconv($data, $input, $output))) {
            return $return;
        }
        // This is last, as behaviour of this varies with OS userland and PHP version
        elseif (class_exists(&#039;\UConverter&#039;) &amp;&amp; ($return = Misc::change_encoding_uconverter($data, $input, $output))) {
            return $return;
        }

        // If we can&#039;t do anything, just fail
        return false;
    }

    /**
     * @return string|false
     */
    protected static function change_encoding_mbstring(string $data, string $input, string $output)
    {
        if ($input === &#039;windows-949&#039;) {
            $input = &#039;EUC-KR&#039;;
        }
        if ($output === &#039;windows-949&#039;) {
            $output = &#039;EUC-KR&#039;;
        }
        if ($input === &#039;Windows-31J&#039;) {
            $input = &#039;SJIS&#039;;
        }
        if ($output === &#039;Windows-31J&#039;) {
            $output = &#039;SJIS&#039;;
        }

        // Check that the encoding is supported
        if (!in_array($input, mb_list_encodings())) {
            return false;
        }

        if (@mb_convert_encoding(&quot;\x80&quot;, &#039;UTF-16BE&#039;, $input) === &quot;\x00\x80&quot;) {
            return false;
        }

        // Let&#039;s do some conversion
        if ($return = @mb_convert_encoding($data, $output, $input)) {
            return $return;
        }

        return false;
    }

    /**
     * @return string|false
     */
    protected static function change_encoding_iconv(string $data, string $input, string $output)
    {
        return @iconv($input, $output, $data);
    }

    /**
     * @return string|false
     */
    protected static function change_encoding_uconverter(string $data, string $input, string $output)
    {
        return @\UConverter::transcode($data, $output, $input);
    }

    /**
     * Normalize an encoding name
     *
     * This is automatically generated by create.php
     *
     * To generate it, run `php create.php` on the command line, and copy the
     * output to replace this function.
     *
     * @param string $charset Character set to standardise
     * @return string Standardised name
     */
    public static function encoding(string $charset)
    {
        // Normalization from UTS #22
        // Cast for PHPStan, the regex should not fail.
        switch (strtolower((string) preg_replace(&#039;/(?:[^a-zA-Z0-9]+|([^0-9])0+)/&#039;, &#039;\1&#039;, $charset))) {
            case &#039;adobestandardencoding&#039;:
            case &#039;csadobestandardencoding&#039;:
                return &#039;Adobe-Standard-Encoding&#039;;

            case &#039;adobesymbolencoding&#039;:
            case &#039;cshppsmath&#039;:
                return &#039;Adobe-Symbol-Encoding&#039;;

            case &#039;ami1251&#039;:
            case &#039;amiga1251&#039;:
                return &#039;Amiga-1251&#039;;

            case &#039;ansix31101983&#039;:
            case &#039;csat5001983&#039;:
            case &#039;csiso99naplps&#039;:
            case &#039;isoir99&#039;:
            case &#039;naplps&#039;:
                return &#039;ANSI_X3.110-1983&#039;;

            case &#039;arabic7&#039;:
            case &#039;asmo449&#039;:
            case &#039;csiso89asmo449&#039;:
            case &#039;iso9036&#039;:
            case &#039;isoir89&#039;:
                return &#039;ASMO_449&#039;;

            case &#039;big5&#039;:
            case &#039;csbig5&#039;:
                return &#039;Big5&#039;;

            case &#039;big5hkscs&#039;:
                return &#039;Big5-HKSCS&#039;;

            case &#039;bocu1&#039;:
            case &#039;csbocu1&#039;:
                return &#039;BOCU-1&#039;;

            case &#039;brf&#039;:
            case &#039;csbrf&#039;:
                return &#039;BRF&#039;;

            case &#039;bs4730&#039;:
            case &#039;csiso4unitedkingdom&#039;:
            case &#039;gb&#039;:
            case &#039;iso646gb&#039;:
            case &#039;isoir4&#039;:
            case &#039;uk&#039;:
                return &#039;BS_4730&#039;;

            case &#039;bsviewdata&#039;:
            case &#039;csiso47bsviewdata&#039;:
            case &#039;isoir47&#039;:
                return &#039;BS_viewdata&#039;;

            case &#039;cesu8&#039;:
            case &#039;cscesu8&#039;:
                return &#039;CESU-8&#039;;

            case &#039;ca&#039;:
            case &#039;csa71&#039;:
            case &#039;csaz243419851&#039;:
            case &#039;csiso121canadian1&#039;:
            case &#039;iso646ca&#039;:
            case &#039;isoir121&#039;:
                return &#039;CSA_Z243.4-1985-1&#039;;

            case &#039;csa72&#039;:
            case &#039;csaz243419852&#039;:
            case &#039;csiso122canadian2&#039;:
            case &#039;iso646ca2&#039;:
            case &#039;isoir122&#039;:
                return &#039;CSA_Z243.4-1985-2&#039;;

            case &#039;csaz24341985gr&#039;:
            case &#039;csiso123csaz24341985gr&#039;:
            case &#039;isoir123&#039;:
                return &#039;CSA_Z243.4-1985-gr&#039;;

            case &#039;csiso139csn369103&#039;:
            case &#039;csn369103&#039;:
            case &#039;isoir139&#039;:
                return &#039;CSN_369103&#039;;

            case &#039;csdecmcs&#039;:
            case &#039;dec&#039;:
            case &#039;decmcs&#039;:
                return &#039;DEC-MCS&#039;;

            case &#039;csiso21german&#039;:
            case &#039;de&#039;:
            case &#039;din66003&#039;:
            case &#039;iso646de&#039;:
            case &#039;isoir21&#039;:
                return &#039;DIN_66003&#039;;

            case &#039;csdkus&#039;:
            case &#039;dkus&#039;:
                return &#039;dk-us&#039;;

            case &#039;csiso646danish&#039;:
            case &#039;dk&#039;:
            case &#039;ds2089&#039;:
            case &#039;iso646dk&#039;:
                return &#039;DS_2089&#039;;

            case &#039;csibmebcdicatde&#039;:
            case &#039;ebcdicatde&#039;:
                return &#039;EBCDIC-AT-DE&#039;;

            case &#039;csebcdicatdea&#039;:
            case &#039;ebcdicatdea&#039;:
                return &#039;EBCDIC-AT-DE-A&#039;;

            case &#039;csebcdiccafr&#039;:
            case &#039;ebcdiccafr&#039;:
                return &#039;EBCDIC-CA-FR&#039;;

            case &#039;csebcdicdkno&#039;:
            case &#039;ebcdicdkno&#039;:
                return &#039;EBCDIC-DK-NO&#039;;

            case &#039;csebcdicdknoa&#039;:
            case &#039;ebcdicdknoa&#039;:
                return &#039;EBCDIC-DK-NO-A&#039;;

            case &#039;csebcdices&#039;:
            case &#039;ebcdices&#039;:
                return &#039;EBCDIC-ES&#039;;

            case &#039;csebcdicesa&#039;:
            case &#039;ebcdicesa&#039;:
                return &#039;EBCDIC-ES-A&#039;;

            case &#039;csebcdicess&#039;:
            case &#039;ebcdicess&#039;:
                return &#039;EBCDIC-ES-S&#039;;

            case &#039;csebcdicfise&#039;:
            case &#039;ebcdicfise&#039;:
                return &#039;EBCDIC-FI-SE&#039;;

            case &#039;csebcdicfisea&#039;:
            case &#039;ebcdicfisea&#039;:
                return &#039;EBCDIC-FI-SE-A&#039;;

            case &#039;csebcdicfr&#039;:
            case &#039;ebcdicfr&#039;:
                return &#039;EBCDIC-FR&#039;;

            case &#039;csebcdicit&#039;:
            case &#039;ebcdicit&#039;:
                return &#039;EBCDIC-IT&#039;;

            case &#039;csebcdicpt&#039;:
            case &#039;ebcdicpt&#039;:
                return &#039;EBCDIC-PT&#039;;

            case &#039;csebcdicuk&#039;:
            case &#039;ebcdicuk&#039;:
                return &#039;EBCDIC-UK&#039;;

            case &#039;csebcdicus&#039;:
            case &#039;ebcdicus&#039;:
                return &#039;EBCDIC-US&#039;;

            case &#039;csiso111ecmacyrillic&#039;:
            case &#039;ecmacyrillic&#039;:
            case &#039;isoir111&#039;:
            case &#039;koi8e&#039;:
                return &#039;ECMA-cyrillic&#039;;

            case &#039;csiso17spanish&#039;:
            case &#039;es&#039;:
            case &#039;iso646es&#039;:
            case &#039;isoir17&#039;:
                return &#039;ES&#039;;

            case &#039;csiso85spanish2&#039;:
            case &#039;es2&#039;:
            case &#039;iso646es2&#039;:
            case &#039;isoir85&#039;:
                return &#039;ES2&#039;;

            case &#039;cseucpkdfmtjapanese&#039;:
            case &#039;eucjp&#039;:
            case &#039;extendedunixcodepackedformatforjapanese&#039;:
                return &#039;EUC-JP&#039;;

            case &#039;cseucfixwidjapanese&#039;:
            case &#039;extendedunixcodefixedwidthforjapanese&#039;:
                return &#039;Extended_UNIX_Code_Fixed_Width_for_Japanese&#039;;

            case &#039;gb18030&#039;:
                return &#039;GB18030&#039;;

            case &#039;chinese&#039;:
            case &#039;cp936&#039;:
            case &#039;csgb2312&#039;:
            case &#039;csiso58gb231280&#039;:
            case &#039;gb2312&#039;:
            case &#039;gb231280&#039;:
            case &#039;gbk&#039;:
            case &#039;isoir58&#039;:
            case &#039;ms936&#039;:
            case &#039;windows936&#039;:
                return &#039;GBK&#039;;

            case &#039;cn&#039;:
            case &#039;csiso57gb1988&#039;:
            case &#039;gb198880&#039;:
            case &#039;iso646cn&#039;:
            case &#039;isoir57&#039;:
                return &#039;GB_1988-80&#039;;

            case &#039;csiso153gost1976874&#039;:
            case &#039;gost1976874&#039;:
            case &#039;isoir153&#039;:
            case &#039;stsev35888&#039;:
                return &#039;GOST_19768-74&#039;;

            case &#039;csiso150&#039;:
            case &#039;csiso150greekccitt&#039;:
            case &#039;greekccitt&#039;:
            case &#039;isoir150&#039;:
                return &#039;greek-ccitt&#039;;

            case &#039;csiso88greek7&#039;:
            case &#039;greek7&#039;:
            case &#039;isoir88&#039;:
                return &#039;greek7&#039;;

            case &#039;csiso18greek7old&#039;:
            case &#039;greek7old&#039;:
            case &#039;isoir18&#039;:
                return &#039;greek7-old&#039;;

            case &#039;cshpdesktop&#039;:
            case &#039;hpdesktop&#039;:
                return &#039;HP-DeskTop&#039;;

            case &#039;cshplegal&#039;:
            case &#039;hplegal&#039;:
                return &#039;HP-Legal&#039;;

            case &#039;cshpmath8&#039;:
            case &#039;hpmath8&#039;:
                return &#039;HP-Math8&#039;;

            case &#039;cshppifont&#039;:
            case &#039;hppifont&#039;:
                return &#039;HP-Pi-font&#039;;

            case &#039;cshproman8&#039;:
            case &#039;hproman8&#039;:
            case &#039;r8&#039;:
            case &#039;roman8&#039;:
                return &#039;hp-roman8&#039;;

            case &#039;hzgb2312&#039;:
                return &#039;HZ-GB-2312&#039;;

            case &#039;csibmsymbols&#039;:
            case &#039;ibmsymbols&#039;:
                return &#039;IBM-Symbols&#039;;

            case &#039;csibmthai&#039;:
            case &#039;ibmthai&#039;:
                return &#039;IBM-Thai&#039;;

            case &#039;cp37&#039;:
            case &#039;csibm37&#039;:
            case &#039;ebcdiccpca&#039;:
            case &#039;ebcdiccpnl&#039;:
            case &#039;ebcdiccpus&#039;:
            case &#039;ebcdiccpwt&#039;:
            case &#039;ibm37&#039;:
                return &#039;IBM037&#039;;

            case &#039;cp38&#039;:
            case &#039;csibm38&#039;:
            case &#039;ebcdicint&#039;:
            case &#039;ibm38&#039;:
                return &#039;IBM038&#039;;

            case &#039;cp273&#039;:
            case &#039;csibm273&#039;:
            case &#039;ibm273&#039;:
                return &#039;IBM273&#039;;

            case &#039;cp274&#039;:
            case &#039;csibm274&#039;:
            case &#039;ebcdicbe&#039;:
            case &#039;ibm274&#039;:
                return &#039;IBM274&#039;;

            case &#039;cp275&#039;:
            case &#039;csibm275&#039;:
            case &#039;ebcdicbr&#039;:
            case &#039;ibm275&#039;:
                return &#039;IBM275&#039;;

            case &#039;csibm277&#039;:
            case &#039;ebcdiccpdk&#039;:
            case &#039;ebcdiccpno&#039;:
            case &#039;ibm277&#039;:
                return &#039;IBM277&#039;;

            case &#039;cp278&#039;:
            case &#039;csibm278&#039;:
            case &#039;ebcdiccpfi&#039;:
            case &#039;ebcdiccpse&#039;:
            case &#039;ibm278&#039;:
                return &#039;IBM278&#039;;

            case &#039;cp280&#039;:
            case &#039;csibm280&#039;:
            case &#039;ebcdiccpit&#039;:
            case &#039;ibm280&#039;:
                return &#039;IBM280&#039;;

            case &#039;cp281&#039;:
            case &#039;csibm281&#039;:
            case &#039;ebcdicjpe&#039;:
            case &#039;ibm281&#039;:
                return &#039;IBM281&#039;;

            case &#039;cp284&#039;:
            case &#039;csibm284&#039;:
            case &#039;ebcdiccpes&#039;:
            case &#039;ibm284&#039;:
                return &#039;IBM284&#039;;

            case &#039;cp285&#039;:
            case &#039;csibm285&#039;:
            case &#039;ebcdiccpgb&#039;:
            case &#039;ibm285&#039;:
                return &#039;IBM285&#039;;

            case &#039;cp290&#039;:
            case &#039;csibm290&#039;:
            case &#039;ebcdicjpkana&#039;:
            case &#039;ibm290&#039;:
                return &#039;IBM290&#039;;

            case &#039;cp297&#039;:
            case &#039;csibm297&#039;:
            case &#039;ebcdiccpfr&#039;:
            case &#039;ibm297&#039;:
                return &#039;IBM297&#039;;

            case &#039;cp420&#039;:
            case &#039;csibm420&#039;:
            case &#039;ebcdiccpar1&#039;:
            case &#039;ibm420&#039;:
                return &#039;IBM420&#039;;

            case &#039;cp423&#039;:
            case &#039;csibm423&#039;:
            case &#039;ebcdiccpgr&#039;:
            case &#039;ibm423&#039;:
                return &#039;IBM423&#039;;

            case &#039;cp424&#039;:
            case &#039;csibm424&#039;:
            case &#039;ebcdiccphe&#039;:
            case &#039;ibm424&#039;:
                return &#039;IBM424&#039;;

            case &#039;437&#039;:
            case &#039;cp437&#039;:
            case &#039;cspc8codepage437&#039;:
            case &#039;ibm437&#039;:
                return &#039;IBM437&#039;;

            case &#039;cp500&#039;:
            case &#039;csibm500&#039;:
            case &#039;ebcdiccpbe&#039;:
            case &#039;ebcdiccpch&#039;:
            case &#039;ibm500&#039;:
                return &#039;IBM500&#039;;

            case &#039;cp775&#039;:
            case &#039;cspc775baltic&#039;:
            case &#039;ibm775&#039;:
                return &#039;IBM775&#039;;

            case &#039;850&#039;:
            case &#039;cp850&#039;:
            case &#039;cspc850multilingual&#039;:
            case &#039;ibm850&#039;:
                return &#039;IBM850&#039;;

            case &#039;851&#039;:
            case &#039;cp851&#039;:
            case &#039;csibm851&#039;:
            case &#039;ibm851&#039;:
                return &#039;IBM851&#039;;

            case &#039;852&#039;:
            case &#039;cp852&#039;:
            case &#039;cspcp852&#039;:
            case &#039;ibm852&#039;:
                return &#039;IBM852&#039;;

            case &#039;855&#039;:
            case &#039;cp855&#039;:
            case &#039;csibm855&#039;:
            case &#039;ibm855&#039;:
                return &#039;IBM855&#039;;

            case &#039;857&#039;:
            case &#039;cp857&#039;:
            case &#039;csibm857&#039;:
            case &#039;ibm857&#039;:
                return &#039;IBM857&#039;;

            case &#039;ccsid858&#039;:
            case &#039;cp858&#039;:
            case &#039;ibm858&#039;:
            case &#039;pcmultilingual850euro&#039;:
                return &#039;IBM00858&#039;;

            case &#039;860&#039;:
            case &#039;cp860&#039;:
            case &#039;csibm860&#039;:
            case &#039;ibm860&#039;:
                return &#039;IBM860&#039;;

            case &#039;861&#039;:
            case &#039;cp861&#039;:
            case &#039;cpis&#039;:
            case &#039;csibm861&#039;:
            case &#039;ibm861&#039;:
                return &#039;IBM861&#039;;

            case &#039;862&#039;:
            case &#039;cp862&#039;:
            case &#039;cspc862latinhebrew&#039;:
            case &#039;ibm862&#039;:
                return &#039;IBM862&#039;;

            case &#039;863&#039;:
            case &#039;cp863&#039;:
            case &#039;csibm863&#039;:
            case &#039;ibm863&#039;:
                return &#039;IBM863&#039;;

            case &#039;cp864&#039;:
            case &#039;csibm864&#039;:
            case &#039;ibm864&#039;:
                return &#039;IBM864&#039;;

            case &#039;865&#039;:
            case &#039;cp865&#039;:
            case &#039;csibm865&#039;:
            case &#039;ibm865&#039;:
                return &#039;IBM865&#039;;

            case &#039;866&#039;:
            case &#039;cp866&#039;:
            case &#039;csibm866&#039;:
            case &#039;ibm866&#039;:
                return &#039;IBM866&#039;;

            case &#039;cp868&#039;:
            case &#039;cpar&#039;:
            case &#039;csibm868&#039;:
            case &#039;ibm868&#039;:
                return &#039;IBM868&#039;;

            case &#039;869&#039;:
            case &#039;cp869&#039;:
            case &#039;cpgr&#039;:
            case &#039;csibm869&#039;:
            case &#039;ibm869&#039;:
                return &#039;IBM869&#039;;

            case &#039;cp870&#039;:
            case &#039;csibm870&#039;:
            case &#039;ebcdiccproece&#039;:
            case &#039;ebcdiccpyu&#039;:
            case &#039;ibm870&#039;:
                return &#039;IBM870&#039;;

            case &#039;cp871&#039;:
            case &#039;csibm871&#039;:
            case &#039;ebcdiccpis&#039;:
            case &#039;ibm871&#039;:
                return &#039;IBM871&#039;;

            case &#039;cp880&#039;:
            case &#039;csibm880&#039;:
            case &#039;ebcdiccyrillic&#039;:
            case &#039;ibm880&#039;:
                return &#039;IBM880&#039;;

            case &#039;cp891&#039;:
            case &#039;csibm891&#039;:
            case &#039;ibm891&#039;:
                return &#039;IBM891&#039;;

            case &#039;cp903&#039;:
            case &#039;csibm903&#039;:
            case &#039;ibm903&#039;:
                return &#039;IBM903&#039;;

            case &#039;904&#039;:
            case &#039;cp904&#039;:
            case &#039;csibbm904&#039;:
            case &#039;ibm904&#039;:
                return &#039;IBM904&#039;;

            case &#039;cp905&#039;:
            case &#039;csibm905&#039;:
            case &#039;ebcdiccptr&#039;:
            case &#039;ibm905&#039;:
                return &#039;IBM905&#039;;

            case &#039;cp918&#039;:
            case &#039;csibm918&#039;:
            case &#039;ebcdiccpar2&#039;:
            case &#039;ibm918&#039;:
                return &#039;IBM918&#039;;

            case &#039;ccsid924&#039;:
            case &#039;cp924&#039;:
            case &#039;ebcdiclatin9euro&#039;:
            case &#039;ibm924&#039;:
                return &#039;IBM00924&#039;;

            case &#039;cp1026&#039;:
            case &#039;csibm1026&#039;:
            case &#039;ibm1026&#039;:
                return &#039;IBM1026&#039;;

            case &#039;ibm1047&#039;:
                return &#039;IBM1047&#039;;

            case &#039;ccsid1140&#039;:
            case &#039;cp1140&#039;:
            case &#039;ebcdicus37euro&#039;:
            case &#039;ibm1140&#039;:
                return &#039;IBM01140&#039;;

            case &#039;ccsid1141&#039;:
            case &#039;cp1141&#039;:
            case &#039;ebcdicde273euro&#039;:
            case &#039;ibm1141&#039;:
                return &#039;IBM01141&#039;;

            case &#039;ccsid1142&#039;:
            case &#039;cp1142&#039;:
            case &#039;ebcdicdk277euro&#039;:
            case &#039;ebcdicno277euro&#039;:
            case &#039;ibm1142&#039;:
                return &#039;IBM01142&#039;;

            case &#039;ccsid1143&#039;:
            case &#039;cp1143&#039;:
            case &#039;ebcdicfi278euro&#039;:
            case &#039;ebcdicse278euro&#039;:
            case &#039;ibm1143&#039;:
                return &#039;IBM01143&#039;;

            case &#039;ccsid1144&#039;:
            case &#039;cp1144&#039;:
            case &#039;ebcdicit280euro&#039;:
            case &#039;ibm1144&#039;:
                return &#039;IBM01144&#039;;

            case &#039;ccsid1145&#039;:
            case &#039;cp1145&#039;:
            case &#039;ebcdices284euro&#039;:
            case &#039;ibm1145&#039;:
                return &#039;IBM01145&#039;;

            case &#039;ccsid1146&#039;:
            case &#039;cp1146&#039;:
            case &#039;ebcdicgb285euro&#039;:
            case &#039;ibm1146&#039;:
                return &#039;IBM01146&#039;;

            case &#039;ccsid1147&#039;:
            case &#039;cp1147&#039;:
            case &#039;ebcdicfr297euro&#039;:
            case &#039;ibm1147&#039;:
                return &#039;IBM01147&#039;;

            case &#039;ccsid1148&#039;:
            case &#039;cp1148&#039;:
            case &#039;ebcdicinternational500euro&#039;:
            case &#039;ibm1148&#039;:
                return &#039;IBM01148&#039;;

            case &#039;ccsid1149&#039;:
            case &#039;cp1149&#039;:
            case &#039;ebcdicis871euro&#039;:
            case &#039;ibm1149&#039;:
                return &#039;IBM01149&#039;;

            case &#039;csiso143iecp271&#039;:
            case &#039;iecp271&#039;:
            case &#039;isoir143&#039;:
                return &#039;IEC_P27-1&#039;;

            case &#039;csiso49inis&#039;:
            case &#039;inis&#039;:
            case &#039;isoir49&#039;:
                return &#039;INIS&#039;;

            case &#039;csiso50inis8&#039;:
            case &#039;inis8&#039;:
            case &#039;isoir50&#039;:
                return &#039;INIS-8&#039;;

            case &#039;csiso51iniscyrillic&#039;:
            case &#039;iniscyrillic&#039;:
            case &#039;isoir51&#039;:
                return &#039;INIS-cyrillic&#039;;

            case &#039;csinvariant&#039;:
            case &#039;invariant&#039;:
                return &#039;INVARIANT&#039;;

            case &#039;iso2022cn&#039;:
                return &#039;ISO-2022-CN&#039;;

            case &#039;iso2022cnext&#039;:
                return &#039;ISO-2022-CN-EXT&#039;;

            case &#039;csiso2022jp&#039;:
            case &#039;iso2022jp&#039;:
                return &#039;ISO-2022-JP&#039;;

            case &#039;csiso2022jp2&#039;:
            case &#039;iso2022jp2&#039;:
                return &#039;ISO-2022-JP-2&#039;;

            case &#039;csiso2022kr&#039;:
            case &#039;iso2022kr&#039;:
                return &#039;ISO-2022-KR&#039;;

            case &#039;cswindows30latin1&#039;:
            case &#039;iso88591windows30latin1&#039;:
                return &#039;ISO-8859-1-Windows-3.0-Latin-1&#039;;

            case &#039;cswindows31latin1&#039;:
            case &#039;iso88591windows31latin1&#039;:
                return &#039;ISO-8859-1-Windows-3.1-Latin-1&#039;;

            case &#039;csisolatin2&#039;:
            case &#039;iso88592&#039;:
            case &#039;iso885921987&#039;:
            case &#039;isoir101&#039;:
            case &#039;l2&#039;:
            case &#039;latin2&#039;:
                return &#039;ISO-8859-2&#039;;

            case &#039;cswindows31latin2&#039;:
            case &#039;iso88592windowslatin2&#039;:
                return &#039;ISO-8859-2-Windows-Latin-2&#039;;

            case &#039;csisolatin3&#039;:
            case &#039;iso88593&#039;:
            case &#039;iso885931988&#039;:
            case &#039;isoir109&#039;:
            case &#039;l3&#039;:
            case &#039;latin3&#039;:
                return &#039;ISO-8859-3&#039;;

            case &#039;csisolatin4&#039;:
            case &#039;iso88594&#039;:
            case &#039;iso885941988&#039;:
            case &#039;isoir110&#039;:
            case &#039;l4&#039;:
            case &#039;latin4&#039;:
                return &#039;ISO-8859-4&#039;;

            case &#039;csisolatincyrillic&#039;:
            case &#039;cyrillic&#039;:
            case &#039;iso88595&#039;:
            case &#039;iso885951988&#039;:
            case &#039;isoir144&#039;:
                return &#039;ISO-8859-5&#039;;

            case &#039;arabic&#039;:
            case &#039;asmo708&#039;:
            case &#039;csisolatinarabic&#039;:
            case &#039;ecma114&#039;:
            case &#039;iso88596&#039;:
            case &#039;iso885961987&#039;:
            case &#039;isoir127&#039;:
                return &#039;ISO-8859-6&#039;;

            case &#039;csiso88596e&#039;:
            case &#039;iso88596e&#039;:
                return &#039;ISO-8859-6-E&#039;;

            case &#039;csiso88596i&#039;:
            case &#039;iso88596i&#039;:
                return &#039;ISO-8859-6-I&#039;;

            case &#039;csisolatingreek&#039;:
            case &#039;ecma118&#039;:
            case &#039;elot928&#039;:
            case &#039;greek&#039;:
            case &#039;greek8&#039;:
            case &#039;iso88597&#039;:
            case &#039;iso885971987&#039;:
            case &#039;isoir126&#039;:
                return &#039;ISO-8859-7&#039;;

            case &#039;csisolatinhebrew&#039;:
            case &#039;hebrew&#039;:
            case &#039;iso88598&#039;:
            case &#039;iso885981988&#039;:
            case &#039;isoir138&#039;:
                return &#039;ISO-8859-8&#039;;

            case &#039;csiso88598e&#039;:
            case &#039;iso88598e&#039;:
                return &#039;ISO-8859-8-E&#039;;

            case &#039;csiso88598i&#039;:
            case &#039;iso88598i&#039;:
                return &#039;ISO-8859-8-I&#039;;

            case &#039;cswindows31latin5&#039;:
            case &#039;iso88599windowslatin5&#039;:
                return &#039;ISO-8859-9-Windows-Latin-5&#039;;

            case &#039;csisolatin6&#039;:
            case &#039;iso885910&#039;:
            case &#039;iso8859101992&#039;:
            case &#039;isoir157&#039;:
            case &#039;l6&#039;:
            case &#039;latin6&#039;:
                return &#039;ISO-8859-10&#039;;

            case &#039;iso885913&#039;:
                return &#039;ISO-8859-13&#039;;

            case &#039;iso885914&#039;:
            case &#039;iso8859141998&#039;:
            case &#039;isoceltic&#039;:
            case &#039;isoir199&#039;:
            case &#039;l8&#039;:
            case &#039;latin8&#039;:
                return &#039;ISO-8859-14&#039;;

            case &#039;iso885915&#039;:
            case &#039;latin9&#039;:
                return &#039;ISO-8859-15&#039;;

            case &#039;iso885916&#039;:
            case &#039;iso8859162001&#039;:
            case &#039;isoir226&#039;:
            case &#039;l10&#039;:
            case &#039;latin10&#039;:
                return &#039;ISO-8859-16&#039;;

            case &#039;iso10646j1&#039;:
                return &#039;ISO-10646-J-1&#039;;

            case &#039;csunicode&#039;:
            case &#039;iso10646ucs2&#039;:
                return &#039;ISO-10646-UCS-2&#039;;

            case &#039;csucs4&#039;:
            case &#039;iso10646ucs4&#039;:
                return &#039;ISO-10646-UCS-4&#039;;

            case &#039;csunicodeascii&#039;:
            case &#039;iso10646ucsbasic&#039;:
                return &#039;ISO-10646-UCS-Basic&#039;;

            case &#039;csunicodelatin1&#039;:
            case &#039;iso10646&#039;:
            case &#039;iso10646unicodelatin1&#039;:
                return &#039;ISO-10646-Unicode-Latin1&#039;;

            case &#039;csiso10646utf1&#039;:
            case &#039;iso10646utf1&#039;:
                return &#039;ISO-10646-UTF-1&#039;;

            case &#039;csiso115481&#039;:
            case &#039;iso115481&#039;:
            case &#039;isotr115481&#039;:
                return &#039;ISO-11548-1&#039;;

            case &#039;csiso90&#039;:
            case &#039;isoir90&#039;:
                return &#039;iso-ir-90&#039;;

            case &#039;csunicodeibm1261&#039;:
            case &#039;isounicodeibm1261&#039;:
                return &#039;ISO-Unicode-IBM-1261&#039;;

            case &#039;csunicodeibm1264&#039;:
            case &#039;isounicodeibm1264&#039;:
                return &#039;ISO-Unicode-IBM-1264&#039;;

            case &#039;csunicodeibm1265&#039;:
            case &#039;isounicodeibm1265&#039;:
                return &#039;ISO-Unicode-IBM-1265&#039;;

            case &#039;csunicodeibm1268&#039;:
            case &#039;isounicodeibm1268&#039;:
                return &#039;ISO-Unicode-IBM-1268&#039;;

            case &#039;csunicodeibm1276&#039;:
            case &#039;isounicodeibm1276&#039;:
                return &#039;ISO-Unicode-IBM-1276&#039;;

            case &#039;csiso646basic1983&#039;:
            case &#039;iso646basic1983&#039;:
            case &#039;ref&#039;:
                return &#039;ISO_646.basic:1983&#039;;

            case &#039;csiso2intlrefversion&#039;:
            case &#039;irv&#039;:
            case &#039;iso646irv1983&#039;:
            case &#039;isoir2&#039;:
                return &#039;ISO_646.irv:1983&#039;;

            case &#039;csiso2033&#039;:
            case &#039;e13b&#039;:
            case &#039;iso20331983&#039;:
            case &#039;isoir98&#039;:
                return &#039;ISO_2033-1983&#039;;

            case &#039;csiso5427cyrillic&#039;:
            case &#039;iso5427&#039;:
            case &#039;isoir37&#039;:
                return &#039;ISO_5427&#039;;

            case &#039;iso5427cyrillic1981&#039;:
            case &#039;iso54271981&#039;:
            case &#039;isoir54&#039;:
                return &#039;ISO_5427:1981&#039;;

            case &#039;csiso5428greek&#039;:
            case &#039;iso54281980&#039;:
            case &#039;isoir55&#039;:
                return &#039;ISO_5428:1980&#039;;

            case &#039;csiso6937add&#039;:
            case &#039;iso6937225&#039;:
            case &#039;isoir152&#039;:
                return &#039;ISO_6937-2-25&#039;;

            case &#039;csisotextcomm&#039;:
            case &#039;iso69372add&#039;:
            case &#039;isoir142&#039;:
                return &#039;ISO_6937-2-add&#039;;

            case &#039;csiso8859supp&#039;:
            case &#039;iso8859supp&#039;:
            case &#039;isoir154&#039;:
            case &#039;latin125&#039;:
                return &#039;ISO_8859-supp&#039;;

            case &#039;csiso10367box&#039;:
            case &#039;iso10367box&#039;:
            case &#039;isoir155&#039;:
                return &#039;ISO_10367-box&#039;;

            case &#039;csiso15italian&#039;:
            case &#039;iso646it&#039;:
            case &#039;isoir15&#039;:
            case &#039;it&#039;:
                return &#039;IT&#039;;

            case &#039;csiso13jisc6220jp&#039;:
            case &#039;isoir13&#039;:
            case &#039;jisc62201969&#039;:
            case &#039;jisc62201969jp&#039;:
            case &#039;katakana&#039;:
            case &#039;x2017&#039;:
                return &#039;JIS_C6220-1969-jp&#039;;

            case &#039;csiso14jisc6220ro&#039;:
            case &#039;iso646jp&#039;:
            case &#039;isoir14&#039;:
            case &#039;jisc62201969ro&#039;:
            case &#039;jp&#039;:
                return &#039;JIS_C6220-1969-ro&#039;;

            case &#039;csiso42jisc62261978&#039;:
            case &#039;isoir42&#039;:
            case &#039;jisc62261978&#039;:
                return &#039;JIS_C6226-1978&#039;;

            case &#039;csiso87jisx208&#039;:
            case &#039;isoir87&#039;:
            case &#039;jisc62261983&#039;:
            case &#039;jisx2081983&#039;:
            case &#039;x208&#039;:
                return &#039;JIS_C6226-1983&#039;;

            case &#039;csiso91jisc62291984a&#039;:
            case &#039;isoir91&#039;:
            case &#039;jisc62291984a&#039;:
            case &#039;jpocra&#039;:
                return &#039;JIS_C6229-1984-a&#039;;

            case &#039;csiso92jisc62991984b&#039;:
            case &#039;iso646jpocrb&#039;:
            case &#039;isoir92&#039;:
            case &#039;jisc62291984b&#039;:
            case &#039;jpocrb&#039;:
                return &#039;JIS_C6229-1984-b&#039;;

            case &#039;csiso93jis62291984badd&#039;:
            case &#039;isoir93&#039;:
            case &#039;jisc62291984badd&#039;:
            case &#039;jpocrbadd&#039;:
                return &#039;JIS_C6229-1984-b-add&#039;;

            case &#039;csiso94jis62291984hand&#039;:
            case &#039;isoir94&#039;:
            case &#039;jisc62291984hand&#039;:
            case &#039;jpocrhand&#039;:
                return &#039;JIS_C6229-1984-hand&#039;;

            case &#039;csiso95jis62291984handadd&#039;:
            case &#039;isoir95&#039;:
            case &#039;jisc62291984handadd&#039;:
            case &#039;jpocrhandadd&#039;:
                return &#039;JIS_C6229-1984-hand-add&#039;;

            case &#039;csiso96jisc62291984kana&#039;:
            case &#039;isoir96&#039;:
            case &#039;jisc62291984kana&#039;:
                return &#039;JIS_C6229-1984-kana&#039;;

            case &#039;csjisencoding&#039;:
            case &#039;jisencoding&#039;:
                return &#039;JIS_Encoding&#039;;

            case &#039;cshalfwidthkatakana&#039;:
            case &#039;jisx201&#039;:
            case &#039;x201&#039;:
                return &#039;JIS_X0201&#039;;

            case &#039;csiso159jisx2121990&#039;:
            case &#039;isoir159&#039;:
            case &#039;jisx2121990&#039;:
            case &#039;x212&#039;:
                return &#039;JIS_X0212-1990&#039;;

            case &#039;csiso141jusib1002&#039;:
            case &#039;iso646yu&#039;:
            case &#039;isoir141&#039;:
            case &#039;js&#039;:
            case &#039;jusib1002&#039;:
            case &#039;yu&#039;:
                return &#039;JUS_I.B1.002&#039;;

            case &#039;csiso147macedonian&#039;:
            case &#039;isoir147&#039;:
            case &#039;jusib1003mac&#039;:
            case &#039;macedonian&#039;:
                return &#039;JUS_I.B1.003-mac&#039;;

            case &#039;csiso146serbian&#039;:
            case &#039;isoir146&#039;:
            case &#039;jusib1003serb&#039;:
            case &#039;serbian&#039;:
                return &#039;JUS_I.B1.003-serb&#039;;

            case &#039;koi7switched&#039;:
                return &#039;KOI7-switched&#039;;

            case &#039;cskoi8r&#039;:
            case &#039;koi8r&#039;:
                return &#039;KOI8-R&#039;;

            case &#039;koi8u&#039;:
                return &#039;KOI8-U&#039;;

            case &#039;csksc5636&#039;:
            case &#039;iso646kr&#039;:
            case &#039;ksc5636&#039;:
                return &#039;KSC5636&#039;;

            case &#039;cskz1048&#039;:
            case &#039;kz1048&#039;:
            case &#039;rk1048&#039;:
            case &#039;strk10482002&#039;:
                return &#039;KZ-1048&#039;;

            case &#039;csiso19latingreek&#039;:
            case &#039;isoir19&#039;:
            case &#039;latingreek&#039;:
                return &#039;latin-greek&#039;;

            case &#039;csiso27latingreek1&#039;:
            case &#039;isoir27&#039;:
            case &#039;latingreek1&#039;:
                return &#039;Latin-greek-1&#039;;

            case &#039;csiso158lap&#039;:
            case &#039;isoir158&#039;:
            case &#039;lap&#039;:
            case &#039;latinlap&#039;:
                return &#039;latin-lap&#039;;

            case &#039;csmacintosh&#039;:
            case &#039;mac&#039;:
            case &#039;macintosh&#039;:
                return &#039;macintosh&#039;;

            case &#039;csmicrosoftpublishing&#039;:
            case &#039;microsoftpublishing&#039;:
                return &#039;Microsoft-Publishing&#039;;

            case &#039;csmnem&#039;:
            case &#039;mnem&#039;:
                return &#039;MNEM&#039;;

            case &#039;csmnemonic&#039;:
            case &#039;mnemonic&#039;:
                return &#039;MNEMONIC&#039;;

            case &#039;csiso86hungarian&#039;:
            case &#039;hu&#039;:
            case &#039;iso646hu&#039;:
            case &#039;isoir86&#039;:
            case &#039;msz77953&#039;:
                return &#039;MSZ_7795.3&#039;;

            case &#039;csnatsdano&#039;:
            case &#039;isoir91&#039;:
            case &#039;natsdano&#039;:
                return &#039;NATS-DANO&#039;;

            case &#039;csnatsdanoadd&#039;:
            case &#039;isoir92&#039;:
            case &#039;natsdanoadd&#039;:
                return &#039;NATS-DANO-ADD&#039;;

            case &#039;csnatssefi&#039;:
            case &#039;isoir81&#039;:
            case &#039;natssefi&#039;:
                return &#039;NATS-SEFI&#039;;

            case &#039;csnatssefiadd&#039;:
            case &#039;isoir82&#039;:
            case &#039;natssefiadd&#039;:
                return &#039;NATS-SEFI-ADD&#039;;

            case &#039;csiso151cuba&#039;:
            case &#039;cuba&#039;:
            case &#039;iso646cu&#039;:
            case &#039;isoir151&#039;:
            case &#039;ncnc1081&#039;:
                return &#039;NC_NC00-10:81&#039;;

            case &#039;csiso69french&#039;:
            case &#039;fr&#039;:
            case &#039;iso646fr&#039;:
            case &#039;isoir69&#039;:
            case &#039;nfz62010&#039;:
                return &#039;NF_Z_62-010&#039;;

            case &#039;csiso25french&#039;:
            case &#039;iso646fr1&#039;:
            case &#039;isoir25&#039;:
            case &#039;nfz620101973&#039;:
                return &#039;NF_Z_62-010_(1973)&#039;;

            case &#039;csiso60danishnorwegian&#039;:
            case &#039;csiso60norwegian1&#039;:
            case &#039;iso646no&#039;:
            case &#039;isoir60&#039;:
            case &#039;no&#039;:
            case &#039;ns45511&#039;:
                return &#039;NS_4551-1&#039;;

            case &#039;csiso61norwegian2&#039;:
            case &#039;iso646no2&#039;:
            case &#039;isoir61&#039;:
            case &#039;no2&#039;:
            case &#039;ns45512&#039;:
                return &#039;NS_4551-2&#039;;

            case &#039;osdebcdicdf3irv&#039;:
                return &#039;OSD_EBCDIC_DF03_IRV&#039;;

            case &#039;osdebcdicdf41&#039;:
                return &#039;OSD_EBCDIC_DF04_1&#039;;

            case &#039;osdebcdicdf415&#039;:
                return &#039;OSD_EBCDIC_DF04_15&#039;;

            case &#039;cspc8danishnorwegian&#039;:
            case &#039;pc8danishnorwegian&#039;:
                return &#039;PC8-Danish-Norwegian&#039;;

            case &#039;cspc8turkish&#039;:
            case &#039;pc8turkish&#039;:
                return &#039;PC8-Turkish&#039;;

            case &#039;csiso16portuguese&#039;:
            case &#039;iso646pt&#039;:
            case &#039;isoir16&#039;:
            case &#039;pt&#039;:
                return &#039;PT&#039;;

            case &#039;csiso84portuguese2&#039;:
            case &#039;iso646pt2&#039;:
            case &#039;isoir84&#039;:
            case &#039;pt2&#039;:
                return &#039;PT2&#039;;

            case &#039;cp154&#039;:
            case &#039;csptcp154&#039;:
            case &#039;cyrillicasian&#039;:
            case &#039;pt154&#039;:
            case &#039;ptcp154&#039;:
                return &#039;PTCP154&#039;;

            case &#039;scsu&#039;:
                return &#039;SCSU&#039;;

            case &#039;csiso10swedish&#039;:
            case &#039;fi&#039;:
            case &#039;iso646fi&#039;:
            case &#039;iso646se&#039;:
            case &#039;isoir10&#039;:
            case &#039;se&#039;:
            case &#039;sen850200b&#039;:
                return &#039;SEN_850200_B&#039;;

            case &#039;csiso11swedishfornames&#039;:
            case &#039;iso646se2&#039;:
            case &#039;isoir11&#039;:
            case &#039;se2&#039;:
            case &#039;sen850200c&#039;:
                return &#039;SEN_850200_C&#039;;

            case &#039;csiso102t617bit&#039;:
            case &#039;isoir102&#039;:
            case &#039;t617bit&#039;:
                return &#039;T.61-7bit&#039;;

            case &#039;csiso103t618bit&#039;:
            case &#039;isoir103&#039;:
            case &#039;t61&#039;:
            case &#039;t618bit&#039;:
                return &#039;T.61-8bit&#039;;

            case &#039;csiso128t101g2&#039;:
            case &#039;isoir128&#039;:
            case &#039;t101g2&#039;:
                return &#039;T.101-G2&#039;;

            case &#039;cstscii&#039;:
            case &#039;tscii&#039;:
                return &#039;TSCII&#039;;

            case &#039;csunicode11&#039;:
            case &#039;unicode11&#039;:
                return &#039;UNICODE-1-1&#039;;

            case &#039;csunicode11utf7&#039;:
            case &#039;unicode11utf7&#039;:
                return &#039;UNICODE-1-1-UTF-7&#039;;

            case &#039;csunknown8bit&#039;:
            case &#039;unknown8bit&#039;:
                return &#039;UNKNOWN-8BIT&#039;;

            case &#039;ansix341968&#039;:
            case &#039;ansix341986&#039;:
            case &#039;ascii&#039;:
            case &#039;cp367&#039;:
            case &#039;csascii&#039;:
            case &#039;ibm367&#039;:
            case &#039;iso646irv1991&#039;:
            case &#039;iso646us&#039;:
            case &#039;isoir6&#039;:
            case &#039;us&#039;:
            case &#039;usascii&#039;:
                return &#039;US-ASCII&#039;;

            case &#039;csusdk&#039;:
            case &#039;usdk&#039;:
                return &#039;us-dk&#039;;

            case &#039;utf7&#039;:
                return &#039;UTF-7&#039;;

            case &#039;utf8&#039;:
                return &#039;UTF-8&#039;;

            case &#039;utf16&#039;:
                return &#039;UTF-16&#039;;

            case &#039;utf16be&#039;:
                return &#039;UTF-16BE&#039;;

            case &#039;utf16le&#039;:
                return &#039;UTF-16LE&#039;;

            case &#039;utf32&#039;:
                return &#039;UTF-32&#039;;

            case &#039;utf32be&#039;:
                return &#039;UTF-32BE&#039;;

            case &#039;utf32le&#039;:
                return &#039;UTF-32LE&#039;;

            case &#039;csventurainternational&#039;:
            case &#039;venturainternational&#039;:
                return &#039;Ventura-International&#039;;

            case &#039;csventuramath&#039;:
            case &#039;venturamath&#039;:
                return &#039;Ventura-Math&#039;;

            case &#039;csventuraus&#039;:
            case &#039;venturaus&#039;:
                return &#039;Ventura-US&#039;;

            case &#039;csiso70videotexsupp1&#039;:
            case &#039;isoir70&#039;:
            case &#039;videotexsuppl&#039;:
                return &#039;videotex-suppl&#039;;

            case &#039;csviqr&#039;:
            case &#039;viqr&#039;:
                return &#039;VIQR&#039;;

            case &#039;csviscii&#039;:
            case &#039;viscii&#039;:
                return &#039;VISCII&#039;;

            case &#039;csshiftjis&#039;:
            case &#039;cswindows31j&#039;:
            case &#039;mskanji&#039;:
            case &#039;shiftjis&#039;:
            case &#039;windows31j&#039;:
                return &#039;Windows-31J&#039;;

            case &#039;iso885911&#039;:
            case &#039;tis620&#039;:
                return &#039;windows-874&#039;;

            case &#039;cseuckr&#039;:
            case &#039;csksc56011987&#039;:
            case &#039;euckr&#039;:
            case &#039;isoir149&#039;:
            case &#039;korean&#039;:
            case &#039;ksc5601&#039;:
            case &#039;ksc56011987&#039;:
            case &#039;ksc56011989&#039;:
            case &#039;windows949&#039;:
                return &#039;windows-949&#039;;

            case &#039;windows1250&#039;:
                return &#039;windows-1250&#039;;

            case &#039;windows1251&#039;:
                return &#039;windows-1251&#039;;

            case &#039;cp819&#039;:
            case &#039;csisolatin1&#039;:
            case &#039;ibm819&#039;:
            case &#039;iso88591&#039;:
            case &#039;iso885911987&#039;:
            case &#039;isoir100&#039;:
            case &#039;l1&#039;:
            case &#039;latin1&#039;:
            case &#039;windows1252&#039;:
                return &#039;windows-1252&#039;;

            case &#039;windows1253&#039;:
                return &#039;windows-1253&#039;;

            case &#039;csisolatin5&#039;:
            case &#039;iso88599&#039;:
            case &#039;iso885991989&#039;:
            case &#039;isoir148&#039;:
            case &#039;l5&#039;:
            case &#039;latin5&#039;:
            case &#039;windows1254&#039;:
                return &#039;windows-1254&#039;;

            case &#039;windows1255&#039;:
                return &#039;windows-1255&#039;;

            case &#039;windows1256&#039;:
                return &#039;windows-1256&#039;;

            case &#039;windows1257&#039;:
                return &#039;windows-1257&#039;;

            case &#039;windows1258&#039;:
                return &#039;windows-1258&#039;;

            default:
                return $charset;
        }
    }

    /**
     * @return string
     */
    public static function get_curl_version()
    {
        if (is_array($curl = curl_version())) {
            $curl = $curl[&#039;version&#039;];
        } else {
            $curl = &#039;0&#039;;
        }
        return $curl;
    }

    /**
     * Strip HTML comments
     *
     * @deprecated since SimplePie 1.9.0. If you need it, you can copy the function to your codebase. But you should consider using `DOMDocument` for any DOM wrangling.
     * @param string $data Data to strip comments from
     * @return string Comment stripped string
     */
    public static function strip_comments(string $data)
    {
        // trigger_error(sprintf(&#039;Using method &quot;&#039; . __METHOD__ . &#039;&quot; is deprecated since SimplePie 1.9.&#039;), \E_USER_DEPRECATED);

        $output = &#039;&#039;;
        while (($start = strpos($data, &#039;&lt;!--&#039;)) !== false) {
            $output .= substr($data, 0, $start);
            if (($end = strpos($data, &#039;--&gt;&#039;, $start)) !== false) {
                $data = substr_replace($data, &#039;&#039;, 0, $end + 3);
            } else {
                $data = &#039;&#039;;
            }
        }
        return $output . $data;
    }

    /**
     * @return int|false
     */
    public static function parse_date(string $dt)
    {
        $parser = \SimplePie\Parse\Date::get();
        return $parser-&gt;parse($dt);
    }

    /**
     * Decode HTML entities
     *
     * @deprecated since SimplePie 1.3, use DOMDocument instead
     * @param string $data Input data
     * @return string Output data
     */
    public static function entities_decode(string $data)
    {
        // trigger_error(sprintf(&#039;Using method &quot;&#039; . __METHOD__ . &#039;&quot; is deprecated since SimplePie 1.3, use &quot;DOMDocument&quot; instead.&#039;), \E_USER_DEPRECATED);

        $decoder = new \SimplePie_Decode_HTML_Entities($data);
        return $decoder-&gt;parse();
    }

    /**
     * Remove RFC822 comments
     *
     * @deprecated since SimplePie 1.9.0. If you need it, consider copying the function to your codebase.
     * @param string $string Data to strip comments from
     * @return string Comment stripped string
     */
    public static function uncomment_rfc822(string $string)
    {
        // trigger_error(sprintf(&#039;Using method &quot;&#039; . __METHOD__ . &#039;&quot; is deprecated since SimplePie 1.9.&#039;), \E_USER_DEPRECATED);

        $position = 0;
        $length = strlen($string);
        $depth = 0;

        $output = &#039;&#039;;

        while ($position &lt; $length &amp;&amp; ($pos = strpos($string, &#039;(&#039;, $position)) !== false) {
            $output .= substr($string, $position, $pos - $position);
            $position = $pos + 1;
            if ($string[$pos - 1] !== &#039;\\&#039;) {
                $depth++;
                while ($depth &amp;&amp; $position &lt; $length) {
                    $position += strcspn($string, &#039;()&#039;, $position);
                    if ($string[$position - 1] === &#039;\\&#039;) {
                        $position++;
                        continue;
                    } elseif (isset($string[$position])) {
                        switch ($string[$position]) {
                            case &#039;(&#039;:
                                $depth++;
                                break;

                            case &#039;)&#039;:
                                $depth--;
                                break;
                        }
                        $position++;
                    } else {
                        break;
                    }
                }
            } else {
                $output .= &#039;(&#039;;
            }
        }
        $output .= substr($string, $position);

        return $output;
    }

    /**
     * @return string
     */
    public static function parse_mime(string $mime)
    {
        if (($pos = strpos($mime, &#039;;&#039;)) === false) {
            return trim($mime);
        }

        return trim(substr($mime, 0, $pos));
    }

    /**
     * @param array&lt;string, array&lt;string, string&gt;&gt; $attribs
     * @return int-mask-of&lt;SimplePie::CONSTRUCT_*&gt;
     */
    public static function atom_03_construct_type(array $attribs)
    {
        if (isset($attribs[&#039;&#039;][&#039;mode&#039;]) &amp;&amp; strtolower(trim($attribs[&#039;&#039;][&#039;mode&#039;])) === &#039;base64&#039;) {
            $mode = \SimplePie\SimplePie::CONSTRUCT_BASE64;
        } else {
            $mode = \SimplePie\SimplePie::CONSTRUCT_NONE;
        }
        if (isset($attribs[&#039;&#039;][&#039;type&#039;])) {
            switch (strtolower(trim($attribs[&#039;&#039;][&#039;type&#039;]))) {
                case &#039;text&#039;:
                case &#039;text/plain&#039;:
                    return \SimplePie\SimplePie::CONSTRUCT_TEXT | $mode;

                case &#039;html&#039;:
                case &#039;text/html&#039;:
                    return \SimplePie\SimplePie::CONSTRUCT_HTML | $mode;

                case &#039;xhtml&#039;:
                case &#039;application/xhtml+xml&#039;:
                    return \SimplePie\SimplePie::CONSTRUCT_XHTML | $mode;

                default:
                    return \SimplePie\SimplePie::CONSTRUCT_NONE | $mode;
            }
        }

        return \SimplePie\SimplePie::CONSTRUCT_TEXT | $mode;
    }

    /**
     * @param array&lt;string, array&lt;string, string&gt;&gt; $attribs
     * @return int-mask-of&lt;SimplePie::CONSTRUCT_*&gt;
     */
    public static function atom_10_construct_type(array $attribs)
    {
        if (isset($attribs[&#039;&#039;][&#039;type&#039;])) {
            switch (strtolower(trim($attribs[&#039;&#039;][&#039;type&#039;]))) {
                case &#039;text&#039;:
                    return \SimplePie\SimplePie::CONSTRUCT_TEXT;

                case &#039;html&#039;:
                    return \SimplePie\SimplePie::CONSTRUCT_HTML;

                case &#039;xhtml&#039;:
                    return \SimplePie\SimplePie::CONSTRUCT_XHTML;

                default:
                    return \SimplePie\SimplePie::CONSTRUCT_NONE;
            }
        }
        return \SimplePie\SimplePie::CONSTRUCT_TEXT;
    }

    /**
     * @param array&lt;string, array&lt;string, string&gt;&gt; $attribs
     * @return int-mask-of&lt;SimplePie::CONSTRUCT_*&gt;
     */
    public static function atom_10_content_construct_type(array $attribs)
    {
        if (isset($attribs[&#039;&#039;][&#039;type&#039;])) {
            $type = strtolower(trim($attribs[&#039;&#039;][&#039;type&#039;]));
            switch ($type) {
                case &#039;text&#039;:
                    return \SimplePie\SimplePie::CONSTRUCT_TEXT;

                case &#039;html&#039;:
                    return \SimplePie\SimplePie::CONSTRUCT_HTML;

                case &#039;xhtml&#039;:
                    return \SimplePie\SimplePie::CONSTRUCT_XHTML;
            }
            if (in_array(substr($type, -4), [&#039;+xml&#039;, &#039;/xml&#039;]) || substr($type, 0, 5) === &#039;text/&#039;) {
                return \SimplePie\SimplePie::CONSTRUCT_NONE;
            } else {
                return \SimplePie\SimplePie::CONSTRUCT_BASE64;
            }
        }

        return \SimplePie\SimplePie::CONSTRUCT_TEXT;
    }

    /**
     * @return bool
     */
    public static function is_isegment_nz_nc(string $string)
    {
        return (bool) preg_match(&#039;/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&amp;\&#039;()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u&#039;, $string);
    }

    /**
     * @return string[]
     */
    public static function space_separated_tokens(string $string)
    {
        $space_characters = &quot;\x20\x09\x0A\x0B\x0C\x0D&quot;;
        $string_length = strlen($string);

        $position = strspn($string, $space_characters);
        $tokens = [];

        while ($position &lt; $string_length) {
            $len = strcspn($string, $space_characters, $position);
            $tokens[] = substr($string, $position, $len);
            $position += $len;
            $position += strspn($string, $space_characters, $position);
        }

        return $tokens;
    }

    /**
     * Converts a unicode codepoint to a UTF-8 character
     *
     * @static
     * @param int $codepoint Unicode codepoint
     * @return string|false UTF-8 character
     */
    public static function codepoint_to_utf8(int $codepoint)
    {
        if ($codepoint &lt; 0) {
            return false;
        } elseif ($codepoint &lt;= 0x7f) {
            return chr($codepoint);
        } elseif ($codepoint &lt;= 0x7ff) {
            return chr(0xc0 | ($codepoint &gt;&gt; 6)) . chr(0x80 | ($codepoint &amp; 0x3f));
        } elseif ($codepoint &lt;= 0xffff) {
            return chr(0xe0 | ($codepoint &gt;&gt; 12)) . chr(0x80 | (($codepoint &gt;&gt; 6) &amp; 0x3f)) . chr(0x80 | ($codepoint &amp; 0x3f));
        } elseif ($codepoint &lt;= 0x10ffff) {
            return chr(0xf0 | ($codepoint &gt;&gt; 18)) . chr(0x80 | (($codepoint &gt;&gt; 12) &amp; 0x3f)) . chr(0x80 | (($codepoint &gt;&gt; 6) &amp; 0x3f)) . chr(0x80 | ($codepoint &amp; 0x3f));
        }

        // U+FFFD REPLACEMENT CHARACTER
        return &quot;\xEF\xBF\xBD&quot;;
    }

    /**
     * Similar to parse_str()
     *
     * Returns an associative array of name/value pairs, where the value is an
     * array of values that have used the same name
     *
     * @deprecated since SimplePie 1.9.0. If you need it, consider copying the function to your codebase.
     * @static
     * @param string $str The input string.
     * @return array&lt;string, array&lt;string|null&gt;&gt;
     */
    public static function parse_str(string $str)
    {
        // trigger_error(sprintf(&#039;Using method &quot;&#039; . __METHOD__ . &#039;&quot; is deprecated since SimplePie 1.9.&#039;), \E_USER_DEPRECATED);

        $return = [];
        $str = explode(&#039;&amp;&#039;, $str);

        foreach ($str as $section) {
            if (strpos($section, &#039;=&#039;) !== false) {
                [$name, $value] = explode(&#039;=&#039;, $section, 2);
                $return[urldecode($name)][] = urldecode($value);
            } else {
                $return[urldecode($section)][] = null;
            }
        }

        return $return;
    }

    /**
     * Detect XML encoding, as per XML 1.0 Appendix F.1
     *
     * @todo Add support for EBCDIC
     * @param string $data XML data
     * @param \SimplePie\Registry $registry Class registry
     * @return array&lt;string&gt; Possible encodings
     */
    public static function xml_encoding(string $data, \SimplePie\Registry $registry)
    {
        // UTF-32 Big Endian BOM
        if (substr($data, 0, 4) === &quot;\x00\x00\xFE\xFF&quot;) {
            $encoding[] = &#039;UTF-32BE&#039;;
        }
        // UTF-32 Little Endian BOM
        elseif (substr($data, 0, 4) === &quot;\xFF\xFE\x00\x00&quot;) {
            $encoding[] = &#039;UTF-32LE&#039;;
        }
        // UTF-16 Big Endian BOM
        elseif (substr($data, 0, 2) === &quot;\xFE\xFF&quot;) {
            $encoding[] = &#039;UTF-16BE&#039;;
        }
        // UTF-16 Little Endian BOM
        elseif (substr($data, 0, 2) === &quot;\xFF\xFE&quot;) {
            $encoding[] = &#039;UTF-16LE&#039;;
        }
        // UTF-8 BOM
        elseif (substr($data, 0, 3) === &quot;\xEF\xBB\xBF&quot;) {
            $encoding[] = &#039;UTF-8&#039;;
        }
        // UTF-32 Big Endian Without BOM
        elseif (substr($data, 0, 20) === &quot;\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C&quot;) {
            if ($pos = strpos($data, &quot;\x00\x00\x00\x3F\x00\x00\x00\x3E&quot;)) {
                $parser = $registry-&gt;create(Parser::class, [Misc::change_encoding(substr($data, 20, $pos - 20), &#039;UTF-32BE&#039;, &#039;UTF-8&#039;)]);
                if ($parser-&gt;parse()) {
                    $encoding[] = $parser-&gt;encoding;
                }
            }
            $encoding[] = &#039;UTF-32BE&#039;;
        }
        // UTF-32 Little Endian Without BOM
        elseif (substr($data, 0, 20) === &quot;\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00&quot;) {
            if ($pos = strpos($data, &quot;\x3F\x00\x00\x00\x3E\x00\x00\x00&quot;)) {
                $parser = $registry-&gt;create(Parser::class, [Misc::change_encoding(substr($data, 20, $pos - 20), &#039;UTF-32LE&#039;, &#039;UTF-8&#039;)]);
                if ($parser-&gt;parse()) {
                    $encoding[] = $parser-&gt;encoding;
                }
            }
            $encoding[] = &#039;UTF-32LE&#039;;
        }
        // UTF-16 Big Endian Without BOM
        elseif (substr($data, 0, 10) === &quot;\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C&quot;) {
            if ($pos = strpos($data, &quot;\x00\x3F\x00\x3E&quot;)) {
                $parser = $registry-&gt;create(Parser::class, [Misc::change_encoding(substr($data, 20, $pos - 10), &#039;UTF-16BE&#039;, &#039;UTF-8&#039;)]);
                if ($parser-&gt;parse()) {
                    $encoding[] = $parser-&gt;encoding;
                }
            }
            $encoding[] = &#039;UTF-16BE&#039;;
        }
        // UTF-16 Little Endian Without BOM
        elseif (substr($data, 0, 10) === &quot;\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00&quot;) {
            if ($pos = strpos($data, &quot;\x3F\x00\x3E\x00&quot;)) {
                $parser = $registry-&gt;create(Parser::class, [Misc::change_encoding(substr($data, 20, $pos - 10), &#039;UTF-16LE&#039;, &#039;UTF-8&#039;)]);
                if ($parser-&gt;parse()) {
                    $encoding[] = $parser-&gt;encoding;
                }
            }
            $encoding[] = &#039;UTF-16LE&#039;;
        }
        // US-ASCII (or superset)
        elseif (substr($data, 0, 5) === &quot;\x3C\x3F\x78\x6D\x6C&quot;) {
            if ($pos = strpos($data, &quot;\x3F\x3E&quot;)) {
                $parser = $registry-&gt;create(Parser::class, [substr($data, 5, $pos - 5)]);
                if ($parser-&gt;parse()) {
                    $encoding[] = $parser-&gt;encoding;
                }
            }
            $encoding[] = &#039;UTF-8&#039;;
        }
        // Fallback to UTF-8
        else {
            $encoding[] = &#039;UTF-8&#039;;
        }
        return $encoding;
    }

    /**
     * @return void
     */
    public static function output_javascript()
    {
        if (function_exists(&#039;ob_gzhandler&#039;)) {
            ob_start(&#039;ob_gzhandler&#039;);
        }
        header(&#039;Content-type: text/javascript; charset: UTF-8&#039;);
        header(&#039;Cache-Control: must-revalidate&#039;);
        header(&#039;Expires: &#039; . gmdate(&#039;D, d M Y H:i:s&#039;, time() + 604800) . &#039; GMT&#039;); // 7 days

        $body = &lt;&lt;&lt;JS
function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) {
	if (placeholder != &#039;&#039;) {
		document.writeln(&#039;&lt;embed type=&quot;&#039;+type+&#039;&quot; style=&quot;cursor:hand; cursor:pointer;&quot; href=&quot;&#039;+link+&#039;&quot; src=&quot;&#039;+placeholder+&#039;&quot; width=&quot;&#039;+width+&#039;&quot; height=&quot;&#039;+height+&#039;&quot; autoplay=&quot;false&quot; target=&quot;myself&quot; controller=&quot;false&quot; loop=&quot;&#039;+loop+&#039;&quot; scale=&quot;aspect&quot; bgcolor=&quot;&#039;+bgcolor+&#039;&quot; pluginspage=&quot;http://www.apple.com/quicktime/download/&quot;&gt;&lt;/embed&gt;&#039;);
	}
	else {
		document.writeln(&#039;&lt;embed type=&quot;&#039;+type+&#039;&quot; style=&quot;cursor:hand; cursor:pointer;&quot; src=&quot;&#039;+link+&#039;&quot; width=&quot;&#039;+width+&#039;&quot; height=&quot;&#039;+height+&#039;&quot; autoplay=&quot;false&quot; target=&quot;myself&quot; controller=&quot;true&quot; loop=&quot;&#039;+loop+&#039;&quot; scale=&quot;aspect&quot; bgcolor=&quot;&#039;+bgcolor+&#039;&quot; pluginspage=&quot;http://www.apple.com/quicktime/download/&quot;&gt;&lt;/embed&gt;&#039;);
	}
}

function embed_flash(bgcolor, width, height, link, loop, type) {
	document.writeln(&#039;&lt;embed src=&quot;&#039;+link+&#039;&quot; pluginspage=&quot;http://www.macromedia.com/go/getflashplayer&quot; type=&quot;&#039;+type+&#039;&quot; quality=&quot;high&quot; width=&quot;&#039;+width+&#039;&quot; height=&quot;&#039;+height+&#039;&quot; bgcolor=&quot;&#039;+bgcolor+&#039;&quot; loop=&quot;&#039;+loop+&#039;&quot;&gt;&lt;/embed&gt;&#039;);
}

function embed_flv(width, height, link, placeholder, loop, player) {
	document.writeln(&#039;&lt;embed src=&quot;&#039;+player+&#039;&quot; pluginspage=&quot;http://www.macromedia.com/go/getflashplayer&quot; type=&quot;application/x-shockwave-flash&quot; quality=&quot;high&quot; width=&quot;&#039;+width+&#039;&quot; height=&quot;&#039;+height+&#039;&quot; wmode=&quot;transparent&quot; flashvars=&quot;file=&#039;+link+&#039;&amp;autostart=false&amp;repeat=&#039;+loop+&#039;&amp;showdigits=true&amp;showfsbutton=false&quot;&gt;&lt;/embed&gt;&#039;);
}

function embed_wmedia(width, height, link) {
	document.writeln(&#039;&lt;embed type=&quot;application/x-mplayer2&quot; src=&quot;&#039;+link+&#039;&quot; autosize=&quot;1&quot; width=&quot;&#039;+width+&#039;&quot; height=&quot;&#039;+height+&#039;&quot; showcontrols=&quot;1&quot; showstatusbar=&quot;0&quot; showdisplay=&quot;0&quot; autostart=&quot;0&quot;&gt;&lt;/embed&gt;&#039;);
}
JS;
        echo $body;
    }

    /**
     * Get the SimplePie build timestamp
     *
     * Uses the git index if it exists, otherwise uses the modification time
     * of the newest file.
     *
     * @return int
     */
    public static function get_build()
    {
        if (self::$SIMPLEPIE_BUILD !== null) {
            return self::$SIMPLEPIE_BUILD;
        }

        $root = dirname(__FILE__, 2);
        if (file_exists($root . &#039;/.git/index&#039;)) {
            self::$SIMPLEPIE_BUILD = (int) filemtime($root . &#039;/.git/index&#039;);

            return self::$SIMPLEPIE_BUILD;
        } elseif (file_exists($root . &#039;/src&#039;)) {
            $time = 0;
            foreach (glob($root . &#039;/src/*.php&#039;) ?: [] as $file) {
                if (($mtime = filemtime($file)) &gt; $time) {
                    $time = $mtime;
                }
            }

            self::$SIMPLEPIE_BUILD = $time;

            return self::$SIMPLEPIE_BUILD;
        }

        self::$SIMPLEPIE_BUILD = (int) filemtime(__FILE__);

        return self::$SIMPLEPIE_BUILD;
    }

    /**
     * Get the default user agent string
     *
     * @return string
     */
    public static function get_default_useragent()
    {
        return \SimplePie\SimplePie::NAME . &#039;/&#039; . \SimplePie\SimplePie::VERSION . &#039; (Feed Parser; &#039; . \SimplePie\SimplePie::URL . &#039;; Allow like Gecko) Build/&#039; . static::get_build();
    }

    /**
     * Format debugging information
     *
     * @return string
     */
    public static function debug(SimplePie &amp;$sp)
    {
        $info = &#039;SimplePie &#039; . \SimplePie\SimplePie::VERSION . &#039; Build &#039; . static::get_build() . &quot;\n&quot;;
        $info .= &#039;PHP &#039; . PHP_VERSION . &quot;\n&quot;;
        if ($sp-&gt;error() !== null) {
            // TODO: Remove cast with multifeeds.
            $info .= &#039;Error occurred: &#039; . implode(&#039;, &#039;, (array) $sp-&gt;error()) . &quot;\n&quot;;
        } else {
            $info .= &quot;No error found.\n&quot;;
        }
        $info .= &quot;Extensions:\n&quot;;
        $extensions = [&#039;pcre&#039;, &#039;curl&#039;, &#039;zlib&#039;, &#039;mbstring&#039;, &#039;iconv&#039;, &#039;xmlreader&#039;, &#039;xml&#039;];
        foreach ($extensions as $ext) {
            if (extension_loaded($ext)) {
                $info .= &quot;    $ext loaded\n&quot;;
                switch ($ext) {
                    case &#039;pcre&#039;:
                        $info .= &#039;      Version &#039; . PCRE_VERSION . &quot;\n&quot;;
                        break;
                    case &#039;curl&#039;:
                        $version = (array) curl_version();
                        $info .= &#039;      Version &#039; . $version[&#039;version&#039;] . &quot;\n&quot;;
                        break;
                    case &#039;iconv&#039;:
                        $info .= &#039;      Version &#039; . ICONV_VERSION . &quot;\n&quot;;
                        break;
                    case &#039;xml&#039;:
                        $info .= &#039;      Version &#039; . LIBXML_DOTTED_VERSION . &quot;\n&quot;;
                        break;
                }
            } else {
                $info .= &quot;    $ext not loaded\n&quot;;
            }
        }
        return $info;
    }

    /**
     * @return bool
     */
    public static function silence_errors(int $num, string $str)
    {
        // No-op
        return true;
    }

    /**
     * Sanitize a URL by removing HTTP credentials.
     * @param string $url the URL to sanitize.
     * @return string the same URL without HTTP credentials.
     */
    public static function url_remove_credentials(string $url)
    {
        // Cast for PHPStan: I do not think this can fail.
        // The regex is valid and there should be no backtracking.
        // https://github.com/phpstan/phpstan/issues/11547
        return (string) preg_replace(&#039;#^(https?://)[^/:@]+:[^/:@]+@#i&#039;, &#039;$1&#039;, $url);
    }
}

class_alias(&#039;SimplePie\Misc&#039;, &#039;SimplePie_Misc&#039;, false);
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