<?php

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/**

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* Redux_Framework_Plugin main class

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*

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* @package Redux Framework

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* @since 3.0.0

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*/

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// Exit if accessed directly.

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defined( 'ABSPATH' ) || exit;

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if ( ! class_exists( 'Redux_Framework_Plugin', false ) ) {

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/**

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* Main Redux_Framework_Plugin class

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*

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* @since 3.0.0

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*/

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class Redux_Framework_Plugin {

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/**

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* Option array for demo mode.

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*

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* @access protected

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* @var array $options Array of config options, used to check for demo mode

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* @since 3.0.0

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*/

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protected $options = array();

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/**

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* Use this value as the text domain when translating strings from this plugin. It should match

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* the Text Domain field set in the plugin header, as well as the directory name of the plugin.

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* Additionally, text domains should only contain letters, number and hyphens, not underscores

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* or spaces.

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*

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* @access protected

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* @var string $plugin_slug The unique ID (slug) of this plugin

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* @since 3.0.0

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*/

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protected $plugin_slug = 'redux-framework';

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/**

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* Set on network activate.

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*

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* @access protected

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* @var string $plugin_network_activated Check for plugin network activation

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* @since 3.0.0

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*/

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protected $plugin_network_activated = null;

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/**

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* Class instance.

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*

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* @access private

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* @var Redux_Framework_Plugin $instance The one true Redux_Framework_Plugin

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* @since 3.0.0

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*/

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private static $instance;

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/**

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* Crash flag.

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*

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* @access private

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* @var Redux_Framework_Plugin $crash Crash flag if inside a crash.

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* @since 4.1.15

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*/

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public static $crash = false;

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/**

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* Get active instance

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*

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* @access public

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* @since 3.1.3

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* @return self::$instance The one true Redux_Framework_Plugin

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*/

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public static function instance(): ?Redux_Framework_Plugin {

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$path = REDUX_PLUGIN_FILE;

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$res = false;

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if ( function_exists( 'get_plugin_data' ) && file_exists( $path ) ) {

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$data = get_plugin_data( $path );

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if ( isset( $data['Version'] ) && '' !== $data['Version'] ) {

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$res = version_compare( $data['Version'], '4', '<' );

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}

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if ( is_plugin_active( 'redux-framework/redux-framework.php' ) && true === $res ) {

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echo '<div class="error"><p>' . esc_html__( 'Redux Framework version 4 is activated but not loaded. Redux Framework version 3 is still installed and activated. Please deactivate Redux Framework version 3.', 'redux-framework' ) . '</p></div>'; // phpcs:ignore WordPress.Security.EscapeOutput

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return null;

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}

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}

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if ( ! self::$instance ) {

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self::$instance = new self();

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if ( class_exists( 'ReduxFramework' ) ) {

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self::$instance->load_first();

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} else {

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self::$instance->get_redux_options();

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self::$instance->includes();

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self::$instance->hooks();

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}

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}

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return self::$instance;

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}

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/**

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* Shim for getting instance

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*

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* @access public

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* @since 4.0.1

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* @return self::$instance The one true Redux_Framework_Plugin

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*/

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public static function get_instance(): ?Redux_Framework_Plugin {

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return self::instance();

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}

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/**

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* Get Redux options

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*

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* @access public

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* @since 3.1.3

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* @return void

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*/

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public function get_redux_options() {

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// Setup defaults.

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$defaults = array(

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'demo' => false,

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);

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// If multisite is enabled.

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if ( is_multisite() ) {

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// Get network activated plugins.

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$plugins = get_site_option( 'active_sitewide_plugins' );

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foreach ( $plugins as $file => $plugin ) {

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if ( strpos( $file, 'redux-framework.php' ) !== false ) {

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$this->plugin_network_activated = true;

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$this->options = get_site_option( 'ReduxFrameworkPlugin', $defaults );

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}

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}

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}

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// If options aren't set, grab them now!

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if ( empty( $this->options ) ) {

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$this->options = get_option( 'ReduxFrameworkPlugin', $defaults );

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}

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}

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/**

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* Include necessary files

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*

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* @access public

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* @since 3.1.3

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* @return void

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*/

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public function includes() {

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// Include Redux_Core.

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if ( file_exists( __DIR__ . '/redux-core/framework.php' ) ) {

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require_once __DIR__ . '/redux-core/framework.php';

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}

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if ( file_exists( __DIR__ . '/redux-templates/redux-templates.php' ) ) {

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require_once __DIR__ . '/redux-templates/redux-templates.php';

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}

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if ( isset( Redux_Core::$as_plugin ) ) {

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Redux_Core::$as_plugin = true;

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}

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add_action( 'setup_theme', array( $this, 'load_sample_config' ) );

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}

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/**

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* Loads the sample config after everything is loaded.

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*

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* @access public

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* @since 4.0.2

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* @return void

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*/

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public function load_sample_config() {

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// Include demo config, if demo mode is active.

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if ( $this->options['demo'] && file_exists( __DIR__ . '/sample/sample-config.php' ) ) {

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require_once __DIR__ . '/sample/sample-config.php';

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}

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}

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/**

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* Run action and filter hooks

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*

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* @access private

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* @since 3.1.3

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* @return void

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*/

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private function hooks() {

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add_action( 'activated_plugin', array( $this, 'load_first' ) );

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add_action( 'wp_loaded', array( $this, 'options_toggle_check' ) );

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// Activate plugin when a new blog is added.

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add_action( 'wpmu_new_blog', array( $this, 'activate_new_site' ) );

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// Display admin notices.

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add_action( 'admin_notices', array( $this, 'admin_notices' ) );

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// Edit plugin metalinks.

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add_filter( 'plugin_row_meta', array( $this, 'plugin_metalinks' ), null, 2 );

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add_filter( 'network_admin_plugin_action_links', array( $this, 'add_settings_link' ), 1, 2 );

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add_filter( 'plugin_action_links', array( $this, 'add_settings_link' ), 1, 2 );

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// phpcs:ignore WordPress.NamingConventions.ValidHookName

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do_action( 'redux/plugin/hooks', $this );

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}

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/**

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* Pushes Redux to the top of plugin load list, so it initializes before any plugin that may use it.

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*/

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public function load_first() {

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if ( ! class_exists( 'Redux_Functions_Ex' ) ) {

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require_once __DIR__ . '/redux-core/inc/classes/class-redux-functions-ex.php';

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}

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$plugin_dir = Redux_Functions_Ex::wp_normalize_path( WP_PLUGIN_DIR ) . '/';

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$self_file = Redux_Functions_Ex::wp_normalize_path( __FILE__ );

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$path = str_replace( $plugin_dir, '', $self_file );

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$path = str_replace( 'class-redux-framework-plugin.php', 'redux-framework.php', $path );

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$plugins = get_option( 'active_plugins' );

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if ( $plugins ) {

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$key = array_search( $path, $plugins, true );

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if ( false !== $key ) {

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array_splice( $plugins, $key, 1 );

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array_unshift( $plugins, $path );

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update_option( 'active_plugins', $plugins );

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}

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}

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}

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/**

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* Fired on plugin activation

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*

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* @access public

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* @return void

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* @since 3.0.0

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*/

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public static function activate() {

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delete_site_transient( 'update_plugins' );

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}

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/**

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* Fired when plugin is deactivated

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*

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* @access public

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* @since 3.0.0

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*

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* @param boolean $network_wide True if plugin is network activated, false otherwise.

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*

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* @return void

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*/

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public static function deactivate( ?bool $network_wide ) {

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if ( function_exists( 'is_multisite' ) && is_multisite() ) {

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if ( $network_wide ) {

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// Get all blog IDs.

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$blog_ids = self::get_blog_ids();

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foreach ( $blog_ids as $blog_id ) {

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switch_to_blog( $blog_id );

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self::single_deactivate();

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}

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restore_current_blog();

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} else {

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self::single_deactivate();

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}

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} else {

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self::single_deactivate();

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}

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delete_option( 'ReduxFrameworkPlugin' );

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}

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/**

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* Fired when a new WPMU site is activated

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*

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* @access public

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*

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* @param int $blog_id The ID of the new blog.

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*

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* @return void

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* @since 3.0.0

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*/

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public function activate_new_site( int $blog_id ) {

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if ( 1 !== did_action( 'wpmu_new_blog' ) ) {

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return;

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}

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switch_to_blog( $blog_id );

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self::single_activate();

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restore_current_blog();

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}

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/**

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* Get all IDs of blogs that are not activated, not spam, and not deleted

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*

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* @access private

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* @since 3.0.0

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* @global object $wpdb

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* @return array|false Array of IDs or false if none are found

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*/

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private static function get_blog_ids() {

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global $wpdb;

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$var = '0';

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// Get an array of IDs (We have to do it this way because WordPress says so, however redundant).

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$result = wp_cache_get( 'redux-blog-ids' );

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if ( false === $result ) {

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// WordPress says get_col is discouraged? I found no alternative. So...ignore! - kp.

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// phpcs:ignore WordPress.DB.DirectDatabaseQuery

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$result = $wpdb->get_col( $wpdb->prepare( "SELECT blog_id FROM $wpdb->blogs WHERE archived = %s AND spam = %s AND deleted = %s", $var, $var, $var ) );

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wp_cache_set( 'redux-blog-ids', $result );

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}

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return $result;

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}

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/**

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* Fired for each WPMS blog on plugin activation

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*

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* @access private

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* @since 3.0.0

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* @return void

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*/

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private static function single_activate() {

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$nonce = wp_create_nonce( 'redux_framework_demo' );

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$notices = get_option( 'ReduxFrameworkPlugin_ACTIVATED_NOTICES', array() );

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$notices[] = esc_html__( 'Redux Framework has an embedded demo.', 'redux-framework' ) . ' <a href="./plugins.php?redux-framework-plugin=demo&nonce=' . $nonce . '">' . esc_html__( 'Click here to activate the sample config file.', 'redux-framework' ) . '</a>';

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update_option( 'ReduxFrameworkPlugin_ACTIVATED_NOTICES', $notices );

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}

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/**

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* Display admin notices

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*

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* @access public

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* @since 3.0.0

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* @return void

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*/

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public function admin_notices() {

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do_action( 'redux_framework_plugin_admin_notice' );

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$notices = get_option( 'ReduxFrameworkPlugin_ACTIVATED_NOTICES', '' );

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if ( ! empty( $notices ) ) {

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foreach ( $notices as $notice ) {

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echo '<div class="updated notice is-dismissible"><p>' . $notice . '</p></div>'; // phpcs:ignore WordPress.Security.EscapeOutput

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}

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delete_option( 'ReduxFrameworkPlugin_ACTIVATED_NOTICES' );

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}

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}

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/**

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* Fired for each blog when the plugin is deactivated

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*

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* @access private

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* @since 3.0.0

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* @return void

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*/

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private static function single_deactivate() {

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delete_option( 'ReduxFrameworkPlugin_ACTIVATED_NOTICES' );

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}

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/**

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* Turn on or off

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*

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* @access public

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* @since 3.0.0

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* @return void

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*/

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public function options_toggle_check() {

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if ( isset( $_GET['nonce'] ) && wp_verify_nonce( sanitize_key( $_GET['nonce'] ), 'redux_framework_demo' ) ) {

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if ( isset( $_GET['redux-framework-plugin'] ) && 'demo' === $_GET['redux-framework-plugin'] ) {

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$url = admin_url( add_query_arg( array( 'page' => 'redux-framework' ), 'options-general.php' ) );

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if ( false === $this->options['demo'] ) {

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$this->options['demo'] = true;

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$url = admin_url( add_query_arg( array( 'page' => 'redux_demo' ), 'admin.php' ) );

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} else {

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$this->options['demo'] = false;

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}

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if ( is_multisite() && $this->plugin_network_activated ) {

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update_site_option( 'ReduxFrameworkPlugin', $this->options );

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} else {

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update_option( 'ReduxFrameworkPlugin', $this->options );

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}

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wp_safe_redirect( esc_url( $url ) );

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exit();

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}

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}

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}

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/**

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* Add a settings link to the Redux entry in the plugin overview screen

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*

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* @param array $links Links array.

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* @param string $file Plugin filename/slug.

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*

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* @return array

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* @see filter:plugin_action_links

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* @since 1.0

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*/

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public function add_settings_link( array $links, string $file ): array {

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return $links;

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}

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/**

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* Edit plugin metalinks

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*

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* @access public

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*

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* @param array $links The current array of links.

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* @param string $file A specific plugin row.

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*

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* @return array The modified array of links

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* @since 3.0.0

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*/

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public function plugin_metalinks( array $links, string $file ): array {

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if ( strpos( $file, 'redux-framework.php' ) !== false && is_plugin_active( $file ) ) {

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$links[] = '<a href="' . esc_url( admin_url( add_query_arg( array( 'page' => 'redux-framework' ), 'options-general.php' ) ) ) . '">' . esc_html__( 'What is this?', 'redux-framework' ) . '</a>';

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}

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return $links;

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}

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}

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if ( ! class_exists( 'ReduxFrameworkPlugin' ) ) {

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class_alias( 'Redux_Framework_Plugin', 'ReduxFrameworkPlugin' );

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}

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}

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