91 lines
2.5 KiB
PHP
91 lines
2.5 KiB
PHP
<?php
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/**
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* @package WPSEO\Admin
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*/
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/**
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* Represents the class that contains the available extensions for Yoast SEO.
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*/
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class WPSEO_Extension_Manager {
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/** The transient key to save the cache in */
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const TRANSIENT_CACHE_KEY = 'wpseo_license_active_extensions';
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/** @var WPSEO_Extension[] */
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protected $extensions = array();
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/** @var array List of active plugins */
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static protected $active_extensions;
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/**
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* Adds an extension to the manager.
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*
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* @param string $extension_name The extension name.
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* @param WPSEO_Extension $extension The extension value object.
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*/
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public function add( $extension_name, WPSEO_Extension $extension = null ) {
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$this->extensions[ $extension_name ] = $extension;
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}
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/**
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* Removes an extension from the manager.
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*
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* @param string $extension_name The name of the extension to remove.
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*/
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public function remove( $extension_name ) {
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if ( array_key_exists( $extension_name, $this->extensions ) ) {
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unset( $this->extensions[ $extension_name ] );
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}
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}
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/**
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* Returns the extension for the given extension name.
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*
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* @param string $extension_name The name of the extension to get.
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*
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* @return null|WPSEO_Extension The extension object or null when it doesn't exist.
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*/
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public function get( $extension_name ) {
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if ( array_key_exists( $extension_name, $this->extensions ) ) {
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return $this->extensions[ $extension_name ];
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}
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return null;
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}
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/**
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* Returns all set extension.
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*
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* @return WPSEO_Extension[] Array with the extensions.
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*/
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public function get_all() {
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return $this->extensions;
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}
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/**
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* Checks if the plugin is activated.
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*
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* @param string $extension_name The extension name to check.
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*
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* @return bool True when the plugin is activated.
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*/
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public function is_activated( $extension_name ) {
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if ( self::$active_extensions === null ) {
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// Force re-check on license & dashboard pages.
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$current_page = filter_input( INPUT_GET, 'page' );
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$exclude_cache = ( $current_page === 'wpseo_licenses' || $current_page === 'wpseo_dashboard' );
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// Fetch transient data on any other page.
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if ( ! $exclude_cache ) {
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self::$active_extensions = get_transient( self::TRANSIENT_CACHE_KEY );
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}
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if ( ! is_array( self::$active_extensions ) ) {
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self::$active_extensions = (array) apply_filters( 'yoast-active-extensions', array() );
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set_transient( self::TRANSIENT_CACHE_KEY, self::$active_extensions, DAY_IN_SECONDS );
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}
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}
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return in_array( $extension_name, self::$active_extensions, true );
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}
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}
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