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<?php

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/**

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* Plugin Name: Elegant Themes Support Center :: Safe Mode Child Theme Disabler

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* Plugin URI: http://www.elegantthemes.com

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* Description: When the ET Support Center's Safe Mode is activated, this Must-Use Plugin will temporarily disable any active child themes for that user.

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* Author: Elegant Themes

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* Author URI: http://www.elegantthemes.com

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* License: GPLv2 or later

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* @package ET\Core\SupportCenter\SafeModeDisableChildThemes

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* @author Elegant Themes <http://www.elegantthemes.com>

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* @license GNU General Public License v2 <http://www.gnu.org/licenses/gpl-2.0.html>

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// Quick exit if accessed directly

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if ( ! defined( 'ABSPATH' ) ) {

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exit;

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}

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/**

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* Disable Child Theme (if Safe Mode is active)

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* The `is_child_theme()` function returns TRUE if a child theme is active. Parent theme info can be gathered from

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* the child theme's settings, so in the case of an active child theme we can capture the parent theme's info and

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* temporarily push the parent theme as active (similar to how WP lets the user preview a theme before activation).

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* @since 3.20

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* @since 3.23 Moved from `ET_Core_SupportCenter::maybe_disable_child_theme()` for an improved Safe Mode experience.

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* @param $current_theme

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* @return false|string

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function et_safe_mode_maybe_disable_child_theme( $current_theme ) {

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// Verbose logging: only log if `wp-config.php` has defined `ET_DEBUG='support_center'`

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$DEBUG_ET_SUPPORT_CENTER = defined( 'ET_DEBUG' ) && 'support_center' === ET_DEBUG;

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if ( ! isset( $_COOKIE['et-support-center-safe-mode'] ) ) {

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if ( $DEBUG_ET_SUPPORT_CENTER ) {

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error_log( 'ET Support Center :: Safe Mode: No cookie found' );

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}

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return $current_theme;

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}

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$verify = get_option( 'et-support-center-safe-mode-verify' );

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if ( ! $verify ) {

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if ( $DEBUG_ET_SUPPORT_CENTER ) {

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error_log( 'ET Support Center :: Safe Mode: No option found to verify cookie' );

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}

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return $current_theme;

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}

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if ( $_COOKIE['et-support-center-safe-mode'] !== $verify ) {

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if ( $DEBUG_ET_SUPPORT_CENTER ) {

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error_log( 'ET Support Center :: Safe Mode: Cookie/Option mismatch' );

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}

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return $current_theme;

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}

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$template = get_option( 'template' );

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if ( $template !== $current_theme ) {

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return $template;

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}

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return $current_theme;

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}

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add_filter( 'template', 'et_safe_mode_maybe_disable_child_theme' );

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add_filter( 'stylesheet', 'et_safe_mode_maybe_disable_child_theme' );

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