<h2>File Contents: /home/planet5/www/yanhuanghealthcare.co.uk/wp-content/plugins/wordpress-seo/admin/class-export.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/yanhuanghealthcare.co.uk/wp-content/plugins/wordpress-seo/admin/class-export.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php
/**
 * WPSEO plugin file.
 *
 * @package WPSEO\Admin\Export
 */

/**
 * Class WPSEO_Export.
 *
 * Class with functionality to export the WP SEO settings.
 */
class WPSEO_Export {

	/**
	 * Holds the nonce action.
	 *
	 * @var string
	 */
	public const NONCE_ACTION = &#039;wpseo_export&#039;;

	/**
	 * Holds the export data.
	 *
	 * @var string
	 */
	private $export = &#039;&#039;;

	/**
	 * Holds whether the export was a success.
	 *
	 * @var bool
	 */
	public $success;

	/**
	 * Handles the export request.
	 *
	 * @return void
	 */
	public function export() {
		check_admin_referer( self::NONCE_ACTION );
		$this-&gt;export_settings();
		$this-&gt;output();
	}

	/**
	 * Outputs the export.
	 *
	 * @return void
	 */
	public function output() {
		if ( ! WPSEO_Capability_Utils::current_user_can( &#039;wpseo_manage_options&#039; ) ) {
			esc_html_e( &#039;You do not have the required rights to export settings.&#039;, &#039;wordpress-seo&#039; );
			return;
		}

		echo &#039;&lt;p id=&quot;wpseo-settings-export-desc&quot;&gt;&#039;;
		printf(
			/* translators: %1$s expands to Import settings */
			esc_html__(
				&#039;Copy all these settings to another site\&#039;s %1$s tab and click &quot;%1$s&quot; there.&#039;,
				&#039;wordpress-seo&#039;,
			),
			esc_html__(
				&#039;Import settings&#039;,
				&#039;wordpress-seo&#039;,
			),
		);
		echo &#039;&lt;/p&gt;&#039;;
		/* translators: %1$s expands to Yoast SEO */
		echo &#039;&lt;label for=&quot;wpseo-settings-export&quot; class=&quot;yoast-inline-label&quot;&gt;&#039; . sprintf( __( &#039;Your %1$s settings:&#039;, &#039;wordpress-seo&#039; ), &#039;Yoast SEO&#039; ) . &#039;&lt;/label&gt;&lt;br /&gt;&#039;;
		echo &#039;&lt;textarea id=&quot;wpseo-settings-export&quot; rows=&quot;20&quot; cols=&quot;100&quot; aria-describedby=&quot;wpseo-settings-export-desc&quot;&gt;&#039; . esc_textarea( $this-&gt;export ) . &#039;&lt;/textarea&gt;&#039;;
	}

	/**
	 * Exports the current site&#039;s WP SEO settings.
	 *
	 * @return void
	 */
	private function export_settings() {
		$this-&gt;export_header();

		foreach ( WPSEO_Options::get_option_names() as $opt_group ) {
			$this-&gt;write_opt_group( $opt_group );
		}
	}

	/**
	 * Writes the header of the export.
	 *
	 * @return void
	 */
	private function export_header() {
		$header = sprintf(
			/* translators: %1$s expands to Yoast SEO, %2$s expands to Yoast.com */
			esc_html__( &#039;These are settings for the %1$s plugin by %2$s&#039;, &#039;wordpress-seo&#039; ),
			&#039;Yoast SEO&#039;,
			&#039;Yoast.com&#039;,
		);
		$this-&gt;write_line( &#039;; &#039; . $header );
	}

	/**
	 * Writes a line to the export.
	 *
	 * @param string $line          Line string.
	 * @param bool   $newline_first Boolean flag whether to prepend with new line.
	 *
	 * @return void
	 */
	private function write_line( $line, $newline_first = false ) {
		if ( $newline_first ) {
			$this-&gt;export .= PHP_EOL;
		}
		$this-&gt;export .= $line . PHP_EOL;
	}

	/**
	 * Writes an entire option group to the export.
	 *
	 * @param string $opt_group Option group name.
	 *
	 * @return void
	 */
	private function write_opt_group( $opt_group ) {

		$this-&gt;write_line( &#039;[&#039; . $opt_group . &#039;]&#039;, true );

		$options = get_option( $opt_group );

		if ( ! is_array( $options ) ) {
			return;
		}

		foreach ( $options as $key =&gt; $elem ) {
			if ( is_array( $elem ) ) {
				$count = count( $elem );
				for ( $i = 0; $i &lt; $count; $i++ ) {
					$elem_check = ( $elem[ $i ] ?? null );
					$this-&gt;write_setting( $key . &#039;[]&#039;, $elem_check );
				}
			}
			else {
				$this-&gt;write_setting( $key, $elem );
			}
		}
	}

	/**
	 * Writes a settings line to the export.
	 *
	 * @param string $key Key string.
	 * @param string $val Value string.
	 *
	 * @return void
	 */
	private function write_setting( $key, $val ) {
		if ( is_string( $val ) ) {
			$val = &#039;&quot;&#039; . $val . &#039;&quot;&#039;;
		}
		$this-&gt;write_line( $key . &#039; = &#039; . $val );
	}
}
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