<h2>File Contents: /home/planet5/public_html/wp-content/plugins/duplicate-post/vendor/composer/InstalledVersions.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/public_html/wp-content/plugins/duplicate-post/vendor/composer/InstalledVersions.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php

/*
 * This file is part of Composer.
 *
 * (c) Nils Adermann &lt;naderman@naderman.de&gt;
 *     Jordi Boggiano &lt;j.boggiano@seld.be&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer;

use Composer\Autoload\ClassLoader;
use Composer\Semver\VersionParser;

/**
 * This class is copied in every Composer installed project and available to all
 *
 * See also https://getcomposer.org/doc/07-runtime.md#installed-versions
 *
 * To require its presence, you can require `composer-runtime-api ^2.0`
 *
 * @final
 */
class InstalledVersions
{
    /**
     * @var string|null if set (by reflection by Composer), this should be set to the path where this class is being copied to
     * @internal
     */
    private static $selfDir = null;

    /**
     * @var mixed[]|null
     * @psalm-var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array&lt;string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}&gt;}|array{}|null
     */
    private static $installed;

    /**
     * @var bool
     */
    private static $installedIsLocalDir;

    /**
     * @var bool|null
     */
    private static $canGetVendors;

    /**
     * @var array[]
     * @psalm-var array&lt;string, array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array&lt;string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}&gt;}&gt;
     */
    private static $installedByVendor = array();

    /**
     * Returns a list of all package names which are present, either by being installed, replaced or provided
     *
     * @return string[]
     * @psalm-return list&lt;string&gt;
     */
    public static function getInstalledPackages()
    {
        $packages = array();
        foreach (self::getInstalled() as $installed) {
            $packages[] = array_keys($installed[&#039;versions&#039;]);
        }

        if (1 === \count($packages)) {
            return $packages[0];
        }

        return array_keys(array_flip(\call_user_func_array(&#039;array_merge&#039;, $packages)));
    }

    /**
     * Returns a list of all package names with a specific type e.g. &#039;library&#039;
     *
     * @param  string   $type
     * @return string[]
     * @psalm-return list&lt;string&gt;
     */
    public static function getInstalledPackagesByType($type)
    {
        $packagesByType = array();

        foreach (self::getInstalled() as $installed) {
            foreach ($installed[&#039;versions&#039;] as $name =&gt; $package) {
                if (isset($package[&#039;type&#039;]) &amp;&amp; $package[&#039;type&#039;] === $type) {
                    $packagesByType[] = $name;
                }
            }
        }

        return $packagesByType;
    }

    /**
     * Checks whether the given package is installed
     *
     * This also returns true if the package name is provided or replaced by another package
     *
     * @param  string $packageName
     * @param  bool   $includeDevRequirements
     * @return bool
     */
    public static function isInstalled($packageName, $includeDevRequirements = true)
    {
        foreach (self::getInstalled() as $installed) {
            if (isset($installed[&#039;versions&#039;][$packageName])) {
                return $includeDevRequirements || !isset($installed[&#039;versions&#039;][$packageName][&#039;dev_requirement&#039;]) || $installed[&#039;versions&#039;][$packageName][&#039;dev_requirement&#039;] === false;
            }
        }

        return false;
    }

    /**
     * Checks whether the given package satisfies a version constraint
     *
     * e.g. If you want to know whether version 2.3+ of package foo/bar is installed, you would call:
     *
     *   Composer\InstalledVersions::satisfies(new VersionParser, &#039;foo/bar&#039;, &#039;^2.3&#039;)
     *
     * @param  VersionParser $parser      Install composer/semver to have access to this class and functionality
     * @param  string        $packageName
     * @param  string|null   $constraint  A version constraint to check for, if you pass one you have to make sure composer/semver is required by your package
     * @return bool
     */
    public static function satisfies(VersionParser $parser, $packageName, $constraint)
    {
        $constraint = $parser-&gt;parseConstraints((string) $constraint);
        $provided = $parser-&gt;parseConstraints(self::getVersionRanges($packageName));

        return $provided-&gt;matches($constraint);
    }

    /**
     * Returns a version constraint representing all the range(s) which are installed for a given package
     *
     * It is easier to use this via isInstalled() with the $constraint argument if you need to check
     * whether a given version of a package is installed, and not just whether it exists
     *
     * @param  string $packageName
     * @return string Version constraint usable with composer/semver
     */
    public static function getVersionRanges($packageName)
    {
        foreach (self::getInstalled() as $installed) {
            if (!isset($installed[&#039;versions&#039;][$packageName])) {
                continue;
            }

            $ranges = array();
            if (isset($installed[&#039;versions&#039;][$packageName][&#039;pretty_version&#039;])) {
                $ranges[] = $installed[&#039;versions&#039;][$packageName][&#039;pretty_version&#039;];
            }
            if (array_key_exists(&#039;aliases&#039;, $installed[&#039;versions&#039;][$packageName])) {
                $ranges = array_merge($ranges, $installed[&#039;versions&#039;][$packageName][&#039;aliases&#039;]);
            }
            if (array_key_exists(&#039;replaced&#039;, $installed[&#039;versions&#039;][$packageName])) {
                $ranges = array_merge($ranges, $installed[&#039;versions&#039;][$packageName][&#039;replaced&#039;]);
            }
            if (array_key_exists(&#039;provided&#039;, $installed[&#039;versions&#039;][$packageName])) {
                $ranges = array_merge($ranges, $installed[&#039;versions&#039;][$packageName][&#039;provided&#039;]);
            }

            return implode(&#039; || &#039;, $ranges);
        }

        throw new \OutOfBoundsException(&#039;Package &quot;&#039; . $packageName . &#039;&quot; is not installed&#039;);
    }

    /**
     * @param  string      $packageName
     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
     */
    public static function getVersion($packageName)
    {
        foreach (self::getInstalled() as $installed) {
            if (!isset($installed[&#039;versions&#039;][$packageName])) {
                continue;
            }

            if (!isset($installed[&#039;versions&#039;][$packageName][&#039;version&#039;])) {
                return null;
            }

            return $installed[&#039;versions&#039;][$packageName][&#039;version&#039;];
        }

        throw new \OutOfBoundsException(&#039;Package &quot;&#039; . $packageName . &#039;&quot; is not installed&#039;);
    }

    /**
     * @param  string      $packageName
     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
     */
    public static function getPrettyVersion($packageName)
    {
        foreach (self::getInstalled() as $installed) {
            if (!isset($installed[&#039;versions&#039;][$packageName])) {
                continue;
            }

            if (!isset($installed[&#039;versions&#039;][$packageName][&#039;pretty_version&#039;])) {
                return null;
            }

            return $installed[&#039;versions&#039;][$packageName][&#039;pretty_version&#039;];
        }

        throw new \OutOfBoundsException(&#039;Package &quot;&#039; . $packageName . &#039;&quot; is not installed&#039;);
    }

    /**
     * @param  string      $packageName
     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as reference
     */
    public static function getReference($packageName)
    {
        foreach (self::getInstalled() as $installed) {
            if (!isset($installed[&#039;versions&#039;][$packageName])) {
                continue;
            }

            if (!isset($installed[&#039;versions&#039;][$packageName][&#039;reference&#039;])) {
                return null;
            }

            return $installed[&#039;versions&#039;][$packageName][&#039;reference&#039;];
        }

        throw new \OutOfBoundsException(&#039;Package &quot;&#039; . $packageName . &#039;&quot; is not installed&#039;);
    }

    /**
     * @param  string      $packageName
     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as install path. Packages of type metapackages also have a null install path.
     */
    public static function getInstallPath($packageName)
    {
        foreach (self::getInstalled() as $installed) {
            if (!isset($installed[&#039;versions&#039;][$packageName])) {
                continue;
            }

            return isset($installed[&#039;versions&#039;][$packageName][&#039;install_path&#039;]) ? $installed[&#039;versions&#039;][$packageName][&#039;install_path&#039;] : null;
        }

        throw new \OutOfBoundsException(&#039;Package &quot;&#039; . $packageName . &#039;&quot; is not installed&#039;);
    }

    /**
     * @return array
     * @psalm-return array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}
     */
    public static function getRootPackage()
    {
        $installed = self::getInstalled();

        return $installed[0][&#039;root&#039;];
    }

    /**
     * Returns the raw installed.php data for custom implementations
     *
     * @deprecated Use getAllRawData() instead which returns all datasets for all autoloaders present in the process. getRawData only returns the first dataset loaded, which may not be what you expect.
     * @return array[]
     * @psalm-return array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array&lt;string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}&gt;}
     */
    public static function getRawData()
    {
        @trigger_error(&#039;getRawData only returns the first dataset loaded, which may not be what you expect. Use getAllRawData() instead which returns all datasets for all autoloaders present in the process.&#039;, E_USER_DEPRECATED);

        if (null === self::$installed) {
            // only require the installed.php file if this file is loaded from its dumped location,
            // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
            if (substr(__DIR__, -8, 1) !== &#039;C&#039;) {
                self::$installed = include __DIR__ . &#039;/installed.php&#039;;
            } else {
                self::$installed = array();
            }
        }

        return self::$installed;
    }

    /**
     * Returns the raw data of all installed.php which are currently loaded for custom implementations
     *
     * @return array[]
     * @psalm-return list&lt;array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array&lt;string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}&gt;}&gt;
     */
    public static function getAllRawData()
    {
        return self::getInstalled();
    }

    /**
     * Lets you reload the static array from another file
     *
     * This is only useful for complex integrations in which a project needs to use
     * this class but then also needs to execute another project&#039;s autoloader in process,
     * and wants to ensure both projects have access to their version of installed.php.
     *
     * A typical case would be PHPUnit, where it would need to make sure it reads all
     * the data it needs from this class, then call reload() with
     * `require $CWD/vendor/composer/installed.php` (or similar) as input to make sure
     * the project in which it runs can then also use this class safely, without
     * interference between PHPUnit&#039;s dependencies and the project&#039;s dependencies.
     *
     * @param  array[] $data A vendor/composer/installed.php data set
     * @return void
     *
     * @psalm-param array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array&lt;string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}&gt;} $data
     */
    public static function reload($data)
    {
        self::$installed = $data;
        self::$installedByVendor = array();

        // when using reload, we disable the duplicate protection to ensure that self::$installed data is
        // always returned, but we cannot know whether it comes from the installed.php in __DIR__ or not,
        // so we have to assume it does not, and that may result in duplicate data being returned when listing
        // all installed packages for example
        self::$installedIsLocalDir = false;
    }

    /**
     * @return string
     */
    private static function getSelfDir()
    {
        if (self::$selfDir === null) {
            self::$selfDir = strtr(__DIR__, &#039;\\&#039;, &#039;/&#039;);
        }

        return self::$selfDir;
    }

    /**
     * @return array[]
     * @psalm-return list&lt;array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array&lt;string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}&gt;}&gt;
     */
    private static function getInstalled()
    {
        if (null === self::$canGetVendors) {
            self::$canGetVendors = method_exists(&#039;Composer\Autoload\ClassLoader&#039;, &#039;getRegisteredLoaders&#039;);
        }

        $installed = array();
        $copiedLocalDir = false;

        if (self::$canGetVendors) {
            $selfDir = self::getSelfDir();
            foreach (ClassLoader::getRegisteredLoaders() as $vendorDir =&gt; $loader) {
                $vendorDir = strtr($vendorDir, &#039;\\&#039;, &#039;/&#039;);
                if (isset(self::$installedByVendor[$vendorDir])) {
                    $installed[] = self::$installedByVendor[$vendorDir];
                } elseif (is_file($vendorDir.&#039;/composer/installed.php&#039;)) {
                    /** @var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array&lt;string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}&gt;} $required */
                    $required = require $vendorDir.&#039;/composer/installed.php&#039;;
                    self::$installedByVendor[$vendorDir] = $required;
                    $installed[] = $required;
                    if (self::$installed === null &amp;&amp; $vendorDir.&#039;/composer&#039; === $selfDir) {
                        self::$installed = $required;
                        self::$installedIsLocalDir = true;
                    }
                }
                if (self::$installedIsLocalDir &amp;&amp; $vendorDir.&#039;/composer&#039; === $selfDir) {
                    $copiedLocalDir = true;
                }
            }
        }

        if (null === self::$installed) {
            // only require the installed.php file if this file is loaded from its dumped location,
            // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
            if (substr(__DIR__, -8, 1) !== &#039;C&#039;) {
                /** @var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array&lt;string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}&gt;} $required */
                $required = require __DIR__ . &#039;/installed.php&#039;;
                self::$installed = $required;
            } else {
                self::$installed = array();
            }
        }

        if (self::$installed !== array() &amp;&amp; !$copiedLocalDir) {
            $installed[] = self::$installed;
        }

        return $installed;
    }
}
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