<?php

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namespace Yoast\WP\SEO\Services\Importing;

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use Yoast\WP\SEO\Config\Conflicting_Plugins;

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/**

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* Detects plugin conflicts.

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*/

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class Conflicting_Plugins_Service {

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/**

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* Detects the conflicting plugins.

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*

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* @return array A list of all active conflicting plugins.

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*/

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public function detect_conflicting_plugins() {

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$all_active_plugins = $this->get_active_plugins();

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// Search for active plugins.

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return $this->get_active_conflicting_plugins( $all_active_plugins );

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}

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/**

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* Deactivates the specified plugin(s) if any, or the entire list of known conflicting plugins.

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*

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* @param string|array|false $plugins Optional. The plugin filename, or array of plugin filenames, to deactivate.

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*

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* @return void

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*/

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public function deactivate_conflicting_plugins( $plugins = false ) {

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// If no plugins are specified, deactivate any known conflicting plugins that are active.

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if ( ! $plugins ) {

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$plugins = $this->detect_conflicting_plugins();

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}

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// In case of a single plugin, wrap it in an array.

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if ( \is_string( $plugins ) ) {

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$plugins = [ $plugins ];

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}

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if ( ! \is_array( $plugins ) ) {

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return;

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}

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// Deactivate all specified plugins across the network, while retaining their deactivation hook.

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\deactivate_plugins( $plugins );

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}

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/**

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* Loop through the list of known conflicting plugins to check if one of the plugins is active.

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*

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* @param array $all_active_plugins All plugins loaded by WordPress.

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*

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* @return array The array of activated conflicting plugins.

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*/

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protected function get_active_conflicting_plugins( $all_active_plugins ) {

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$active_conflicting_plugins = [];

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foreach ( Conflicting_Plugins::all_plugins() as $plugin ) {

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if ( \in_array( $plugin, $all_active_plugins, true ) ) {

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$active_conflicting_plugins[] = $plugin;

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}

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}

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return $active_conflicting_plugins;

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}

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/**

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* Get a list of all plugins active in the current WordPress instance.

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*

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* @return false|array The names of all active plugins.

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*/

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protected function get_active_plugins() {

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// Request a list of active plugins from WordPress.

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$all_active_plugins = \get_option( 'active_plugins' );

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return $this->ignore_deactivating_plugin( $all_active_plugins );

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}

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/**

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* While deactivating a plugin, we should ignore the plugin currently being deactivated.

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*

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* @param array $all_active_plugins All plugins currently loaded by WordPress.

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*

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* @return array The remaining active plugins.

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*/

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protected function ignore_deactivating_plugin( $all_active_plugins ) {

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// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: We are strictly comparing only.

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if ( isset( $_GET['action'] ) && isset( $_GET['plugin'] ) && \is_string( $_GET['action'] ) && \is_string( $_GET['plugin'] ) && \wp_unslash( $_GET['action'] ) === 'deactivate' ) {

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$deactivated_plugin = \sanitize_text_field( \wp_unslash( $_GET['plugin'] ) );

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\check_admin_referer( 'deactivate-plugin_' . $deactivated_plugin );

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$key_to_remove = \array_search( $deactivated_plugin, $all_active_plugins, true );

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if ( $key_to_remove !== false ) {

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unset( $all_active_plugins[ $key_to_remove ] );

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}

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}

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return $all_active_plugins;

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}

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}

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