<?php

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/**

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* ET_Core_CompatibilityWarning class file.

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*

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* @class ET_Core_CompatibilityWarning

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* @package Core

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*/

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if ( ! defined( 'ABSPATH' ) ) {

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exit; // Exit if accessed directly.

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}

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if ( ! class_exists( 'ET_Core_CompatibilityWarning' ) ) :

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/**

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* Plugin & theme compatibility warning system backported from WP 5.5.

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*

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* This system is only intended for users who use Divi theme with WP 5.4.2 below and Divi

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* Builder plugin with WP 5.2 below. There are some areas where it overrides or modifies

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* the themes & plugins management template to show warnings when the current WP and/or

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* PHP versions doesn't work with the current and/or upcoming ET plugins/themes.

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*

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* A. Update Core

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* 1. Plugins list section.

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* 2. Themes list section.

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*

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* B. Manage Themes

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* On each of incompatible themes, shows warning and disables Activate & Live Preview

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* buttons when the theme is not activated yet.

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* 1. Themes List (tmpl-theme).

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* 2. Theme Details (tmpl-theme-single).

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*

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* C. Theme Customizer

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* On each of incompatible themes, shows warning and disables Live Preview button when

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* the theme is not activated yet. In addition, disable Publish button for the current

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* active theme.

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* 1. Themes List (tmpl-theme).

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* 2. Theme Details (tmpl-theme-single).

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* 3. Publish Button for current active theme.

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*

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* D. Plugins List

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* 1. Plugins List via `after_plugin_row_` action hook.

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* 2. Plugin activation warning. ET plugins that want to use this warning should

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* register `maybe_deactivate_incompatible_plugin()` on their activation hook.

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*

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* @since 4.7.0

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*/

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class ET_Core_CompatibilityWarning {

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/**

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* Class instance.

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*

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* @var ET_Core_CompatibilityWarning

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*/

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public static $instance_class;

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/**

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* WP version where the official warning system is introduced.

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*

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* @var string

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*/

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public $supported_wp_version = array(

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'plugin' => '5.3.0',

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'theme' => '5.5.0',

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);

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/**

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* Class constructor.

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*/

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public function __construct() {

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global $wp_version;

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// Ensure the system is loaded on lower version of supported version.

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if ( version_compare( $wp_version, $this->supported_wp_version[ ET_CORE_TYPE ], '>=' ) ) {

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return;

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}

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add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );

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// A. Update Core - Overrides plugins and themes updates table body.

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add_action( 'admin_print_footer_scripts-update-core.php', array( $this, 'overrides_update_core_plugins_table_body' ) );

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add_action( 'admin_print_footer_scripts-update-core.php', array( $this, 'overrides_update_core_themes_table_body' ) );

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// B. Manage Themes - Overrides themes list & details templates.

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add_filter( 'wp_prepare_themes_for_js', array( $this, 'set_theme_additional_properties' ) );

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add_action( 'admin_print_footer_scripts-themes.php', array( $this, 'overrides_tmpl_theme' ) );

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// C. Theme Customizer - Overrides themes list & details templates.

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add_action( 'customize_controls_print_footer_scripts', array( $this, 'overrides_tmpl_customize_control_theme_content' ) );

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// D. Plugins - Overrides current plugin list. Default priority is 20.

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add_action( 'load-plugins.php', array( $this, 'overrides_plugins_table_rows' ), 21 );

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}

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/**

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* Returns instance of the class.

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*

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* @since 4.7.0

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*

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* @return ET_Core_CompatibilityWarning

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*/

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public static function instance() {

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if ( ! isset( self::$instance_class ) ) {

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self::$instance_class = new self();

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}

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return self::$instance_class;

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}

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/**

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* Set theme additional properties before it's rendered on Manage Themes page.

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*

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* @since 4.7.0

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*

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* @param array $prepared_themes List of available themes.

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*

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* @return array

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*/

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public function set_theme_additional_properties( $prepared_themes ) {

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// Bail early if the $prepared_themes is empty.

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if ( empty( $prepared_themes ) ) {

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return $prepared_themes;

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}

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// 1. Get available themes update.

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$theme_updates = array();

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if ( current_user_can( 'update_themes' ) ) {

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$updates_themes_transient = get_site_transient( 'update_themes' );

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if ( isset( $updates_themes_transient->response ) ) {

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$theme_updates = $updates_themes_transient->response;

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}

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}

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// 2. Assign compatibility properties.

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$themes = $prepared_themes;

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foreach ( $themes as $theme_slug => $theme_info ) {

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// Ensure style.css file exist.

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$theme_root = get_theme_root( $theme_slug );

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$theme_file = "{$theme_root}/{$theme_slug}/style.css";

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if ( ! file_exists( $theme_file ) ) {

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continue;

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}

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// Get WP & PHP compatibility info.

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$theme_headers = get_file_data(

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$theme_file,

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array(

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'RequiresWP' => 'Requires at least',

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'RequiresPHP' => 'Requires PHP',

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),

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'theme'

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);

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$require_wp = et_()->array_get( $theme_headers, 'RequiresWP', null );

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$require_php = et_()->array_get( $theme_headers, 'RequiresPHP', null );

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$update_requires_wp = et_()->array_get( $theme_updates, array( $theme_slug, 'requires' ), null );

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$update_requires_php = et_()->array_get( $theme_updates, array( $theme_slug, 'requires_php' ), null );

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$compatibility_properties = array(

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'compatibleWP' => is_wp_version_compatible( $require_wp ),

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'compatiblePHP' => is_php_version_compatible( $require_php ),

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'updateResponse' => array(

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'compatibleWP' => is_wp_version_compatible( $update_requires_wp ),

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'compatiblePHP' => is_php_version_compatible( $update_requires_php ),

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),

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);

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$prepared_themes[ $theme_slug ] = array_merge( $prepared_themes[ $theme_slug ], $compatibility_properties );

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}

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return $prepared_themes;

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}

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/**

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* Get plugins data for Update Core page.

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*

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* The data processing is backported from WP 5.5 with few modification.

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*

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* @see {list_plugin_updates()} of WP 5.5

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*

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* @since 4.7.0

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*

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* @return array

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*/

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public function get_update_core_plugins_data() {

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$plugin_updates = get_plugin_updates();

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$plugin_processed = array();

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// Bail early if there is no plugin updates.

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if ( empty( $plugin_updates ) ) {

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return array();

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}

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foreach ( $plugin_updates as $plugin_file => $plugin_data ) {

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// reason: The properties come from WP plugin data.

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// phpcs:disable ET.Sniffs.ValidVariableName.UsedPropertyNotSnakeCase

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$plugin_name = $plugin_data->Name;

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$plugin_version = $plugin_data->Version;

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// phpcs:enable

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// a. Get current and update WP version.

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$wp_version = get_bloginfo( 'version' );

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$cur_wp_version = preg_replace( '/-.*$/', '', $wp_version );

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$core_updates = get_core_updates();

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if ( ! isset( $core_updates[0]->response ) || 'latest' === $core_updates[0]->response || 'development' === $core_updates[0]->response || version_compare( $core_updates[0]->current, $cur_wp_version, '=' ) ) {

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$core_update_version = false;

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} else {

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$core_update_version = $core_updates[0]->current;

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}

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// b. Check PHP versions compatibility. WP doesn't check WP versions compatibility.

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$requires_php = isset( $plugin_data->update->requires_php ) ? $plugin_data->update->requires_php : null;

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$compatible_php = is_php_version_compatible( $requires_php );

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// c. Icon.

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$icon = '<span class="dashicons dashicons-admin-plugins"></span>';

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$preferred_icons = array( 'svg', '2x', '1x', 'default' );

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foreach ( $preferred_icons as $preferred_icon ) {

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if ( ! empty( $plugin_data->update->icons[ $preferred_icon ] ) ) {

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$icon = '<img src="' . esc_url( $plugin_data->update->icons[ $preferred_icon ] ) . '" alt="" />';

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break;

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}

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}

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// d. Process compatibility warning text.

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// Get plugin compat for running version of WordPress.

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if ( isset( $plugin_data->update->tested ) && version_compare( $plugin_data->update->tested, $cur_wp_version, '>=' ) ) {

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/* translators: %s: WordPress version. */

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$compat = '<br />' . sprintf( __( 'Compatibility with WordPress %s: 100%% (according to its author)' ), $cur_wp_version );

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} else {

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/* translators: %s: WordPress version. */

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$compat = '<br />' . sprintf( __( 'Compatibility with WordPress %s: Unknown' ), $cur_wp_version );

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}

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// Get plugin compat for updated version of WordPress.

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if ( $core_update_version ) {

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if ( isset( $plugin_data->update->tested ) && version_compare( $plugin_data->update->tested, $core_update_version, '>=' ) ) {

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/* translators: %s: WordPress version. */

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$compat .= '<br />' . sprintf( __( 'Compatibility with WordPress %s: 100%% (according to its author)' ), $core_update_version );

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} else {

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/* translators: %s: WordPress version. */

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$compat .= '<br />' . sprintf( __( 'Compatibility with WordPress %s: Unknown' ), $core_update_version );

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}

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}

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// Get plugin compat for updated version of PHP.

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if ( ! $compatible_php && current_user_can( 'update_php' ) ) {

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$compat .= '<br>' . __( 'This update doesn&#8217;t work with your version of PHP.' ) . '&nbsp;';

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$compat .= sprintf(

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/* translators: %s: URL to Update PHP page. */

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__( '<a href="%s">Learn more about updating PHP</a>.' ),

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esc_url( wp_get_update_php_url() )

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);

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$annotation = wp_get_update_php_annotation();

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if ( $annotation ) {

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$compat .= '</p><p><em>' . $annotation . '</em>';

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}

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}

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// Get the upgrade notice for the new plugin version.

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if ( isset( $plugin_data->update->upgrade_notice ) ) {

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$upgrade_notice = '<br />' . wp_strip_all_tags( $plugin_data->update->upgrade_notice );

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} else {

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$upgrade_notice = '';

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}

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$details_url = self_admin_url( 'plugin-install.php?tab=plugin-information&plugin=' . $plugin_data->update->slug . '&section=changelog&TB_iframe=true&width=640&height=662' );

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$details = sprintf(

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'<a href="%1$s" class="thickbox open-plugin-details-modal" aria-label="%2$s">%3$s</a>',

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esc_url( $details_url ),

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/* translators: 1: Plugin name, 2: Version number. */

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esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $plugin_data->update->new_version ) ),

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/* translators: %s: Plugin version. */

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sprintf( __( 'View version %s details.' ), $plugin_data->update->new_version )

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);

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$checkbox_id = 'checkbox_' . md5( $plugin_name );

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// Plugin template properties. There is no compatible_wp property passed here.

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$plugin_processed[ $plugin_file ] = array(

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'plugin_file' => esc_attr( $plugin_file ),

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'name' => esc_attr( $plugin_name ),

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'checkbox_id' => esc_attr( 'checkbox_' . md5( $plugin_name ) ),

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'icon' => et_core_intentionally_unescaped( $icon, 'html' ),

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'version' => esc_attr( $plugin_version ),

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'new_version' => esc_attr( $plugin_data->update->new_version ),

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'compatible_php' => $compatible_php,

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'compat' => et_core_intentionally_unescaped( $compat, 'html' ),

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'upgrade_notice' => et_core_intentionally_unescaped( $upgrade_notice, 'html' ),

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'details' => et_core_intentionally_unescaped( $details, 'html' ),

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);

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}

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return $plugin_processed;

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}

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/**

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* Get themes data for Update Core page.

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*

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* @since 4.7.0

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*

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* @return array

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*/

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public function get_update_core_themes_data() {

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$theme_updates = get_theme_updates();

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$theme_processed = array();

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// Bail early if there is no theme updates.

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if ( empty( $theme_updates ) ) {

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return array();

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}

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foreach ( $theme_updates as $stylesheet => $theme ) {

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// a. Check compatibility.

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$requires_wp = et_()->array_get( $theme->update, 'requires', null );

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$requires_php = et_()->array_get( $theme->update, 'requires_php', null );

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$compatible_wp = is_wp_version_compatible( $requires_wp );

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$compatible_php = is_php_version_compatible( $requires_php );

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// b. Process compatibility warning text.

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$compat = '';

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if ( ! $compatible_wp && ! $compatible_php ) {

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$compat .= '<br>' . __( 'This update doesn&#8217;t work with your versions of WordPress and PHP.' ) . '&nbsp;';

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if ( current_user_can( 'update_core' ) && current_user_can( 'update_php' ) ) {

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$compat .= sprintf(

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/* translators: 1: URL to WordPress Updates screen, 2: URL to Update PHP page. */

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__( '<a href="%1$s">Please update WordPress</a>, and then <a href="%2$s">learn more about updating PHP</a>.' ),

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esc_url( self_admin_url( 'update-core.php' ) ),

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esc_url( wp_get_update_php_url() )

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);

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$annotation = wp_get_update_php_annotation();

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if ( $annotation ) {

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$compat .= '</p><p><em>' . $annotation . '</em>';

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}

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} elseif ( current_user_can( 'update_core' ) ) {

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$compat .= sprintf(

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/* translators: %s: URL to WordPress Updates screen. */

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__( '<a href="%s">Please update WordPress</a>.' ),

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esc_url( self_admin_url( 'update-core.php' ) )

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);

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} elseif ( current_user_can( 'update_php' ) ) {

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$compat .= sprintf(

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/* translators: %s: URL to Update PHP page. */

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__( '<a href="%s">Learn more about updating PHP</a>.' ),

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esc_url( wp_get_update_php_url() )

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);

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$annotation = wp_get_update_php_annotation();

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if ( $annotation ) {

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$compat .= '</p><p><em>' . $annotation . '</em>';

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}

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}

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} elseif ( ! $compatible_wp ) {

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$compat .= '<br>' . __( 'This update doesn&#8217;t work with your version of WordPress.' ) . '&nbsp;';

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if ( current_user_can( 'update_core' ) ) {

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$compat .= sprintf(

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/* translators: %s: URL to WordPress Updates screen. */

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__( '<a href="%s">Please update WordPress</a>.' ),

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esc_url( self_admin_url( 'update-core.php' ) )

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);

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}

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} elseif ( ! $compatible_php ) {

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$compat .= '<br>' . __( 'This update doesn&#8217;t work with your version of PHP.' ) . '&nbsp;';

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if ( current_user_can( 'update_php' ) ) {

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$compat .= sprintf(

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/* translators: %s: URL to Update PHP page. */

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__( '<a href="%s">Learn more about updating PHP</a>.' ),

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esc_url( wp_get_update_php_url() )

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);

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$annotation = wp_get_update_php_annotation();

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if ( $annotation ) {

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$compat .= '</p><p><em>' . $annotation . '</em>';

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}

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}

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}

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// Theme template properties.

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$theme_processed[ $stylesheet ] = array(

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'stylesheet' => esc_attr( $stylesheet ),

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'name' => esc_attr( $theme->display( 'Name' ) ),

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'checkbox_id' => esc_attr( 'checkbox_' . md5( $theme->get( 'Name' ) ) ),

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'screenshot' => esc_url( $theme->get_screenshot() ),

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'version' => esc_attr( $theme->display( 'Version' ) ),

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'new_version' => esc_attr( et_()->array_get( $theme->update, 'new_version', '' ) ),

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'compatible_wp' => $compatible_wp,

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'compatible_php' => $compatible_php,

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'compat' => et_core_esc_previously( $compat ),

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);

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}

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return $theme_processed;

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}

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/**

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* Enqueue compatibility warning scripts and its local data.

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*

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* @since 4.7.0

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*/

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public function enqueue_scripts() {

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global $pagenow, $wp_customize;

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// Bail early if the current page is not one of the allowed pages.

[414] Fix | Delete

$allowed_pages = array(

[415] Fix | Delete

'update-core.php',

[416] Fix | Delete

'customize.php',

[417] Fix | Delete

'themes.php',

[418] Fix | Delete

);

[419] Fix | Delete

[420] Fix | Delete

if ( ! in_array( $pagenow, $allowed_pages, true ) ) {

[421] Fix | Delete

return;

[422] Fix | Delete

}

[423] Fix | Delete

[424] Fix | Delete

// Enqueue main scripts.

[425] Fix | Delete

wp_enqueue_script( 'et_compatibility_warning_script', ET_CORE_URL . 'admin/js/compatibility-warning.js', array( 'jquery' ), ET_CORE_VERSION, true );

[426] Fix | Delete

[427] Fix | Delete

$compatibility_warning = array();

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if ( 'update-core.php' === $pagenow ) {

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$compatibility_warning['update_core_data'] = array(

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'plugins' => self::get_update_core_plugins_data(),

[432] Fix | Delete

'themes' => self::get_update_core_themes_data(),

[433] Fix | Delete

);

[434] Fix | Delete

} elseif ( 'themes.php' === $pagenow ) {

[435] Fix | Delete

$compatibility_warning['manage_themes_data'] = true;

[436] Fix | Delete

} elseif ( 'customize.php' === $pagenow ) {

[437] Fix | Delete

// Theme Customizer - Used for disable publish button.

[438] Fix | Delete

$compatibility_warning['customizer_data'] = array(

[439] Fix | Delete

'compatible_wp' => is_wp_version_compatible( $wp_customize->theme()->get( 'RequiresWP' ) ),

[440] Fix | Delete

'compatible_php' => is_php_version_compatible( $wp_customize->theme()->get( 'RequiresPHP' ) ),

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'disabled_text' => esc_html_x( 'Cannot Activate', 'theme' ),

[442] Fix | Delete

);

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}

[444] Fix | Delete

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wp_localize_script( 'et_compatibility_warning_script', 'et_compatibility_warning', $compatibility_warning );

[446] Fix | Delete

}

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[448] Fix | Delete

/**

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* Overrides table body of plugin updates section.

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*

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* The structure is backported from WP 5.5 without any modification.

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*

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* @see {list_plugin_updates()} of WP 5.5

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*

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* @since 4.7.0

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*/

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public function overrides_update_core_plugins_table_body() {

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// Bail early if there is no plugin updates.

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if ( empty( get_plugin_updates() ) ) {

[460] Fix | Delete

return;

[461] Fix | Delete

}

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?>

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<script type="text/html" id="tmpl-et-update-core-plugins-table-body">

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<# if (data.plugins) { #>

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<# _.each(data.plugins, function(plugin, slug) { #>

[466] Fix | Delete

<tr>

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<td class="check-column">

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<# if (plugin.compatible_php) { #>

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<input type="checkbox" name="checked[]" id="{{plugin.checkbox_id}}" value="{{plugin.plugin_file}}" />

[470] Fix | Delete

<label for="{{plugin.checkbox_id}}" class="screen-reader-text">

[471] Fix | Delete

<?php

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/* translators: %s: Plugin name. */

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printf( esc_html__( 'Select %s' ), '{{plugin.name}}' );

[474] Fix | Delete

?>

[475] Fix | Delete

</label>

[476] Fix | Delete

<# } #>

[477] Fix | Delete

</td>

[478] Fix | Delete

<td class="plugin-title"><p>

[479] Fix | Delete

{{{plugin.icon}}}

[480] Fix | Delete

<strong>{{plugin.name}}</strong>

[481] Fix | Delete

<?php

[482] Fix | Delete

printf(

[483] Fix | Delete

/* translators: 1: Plugin version, 2: New version. */

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esc_html__( 'You have version %1$s installed. Update to %2$s.' ),

[485] Fix | Delete

'{{plugin.version}}',

[486] Fix | Delete

'{{plugin.new_version}}'

[487] Fix | Delete

);

[488] Fix | Delete

[489] Fix | Delete

echo ' {{{plugin.details}}}{{{plugin.compat}}}{{{plugin.upgrade_notice}}}';

[490] Fix | Delete

?>

[491] Fix | Delete

</p></td>

[492] Fix | Delete

</tr>

[493] Fix | Delete

<# }); #>

[494] Fix | Delete

<# } #>

[495] Fix | Delete

</script>

[496] Fix | Delete

<?php

[497] Fix | Delete

}

[498] Fix | Delete

[499] Fix | Delete