add wp-rocket

wp-content/plugins/wp-rocket/inc/Engine/Media/Emojis/EmojisSubscriber.php

@@ -0,0 +1,95 @@
+<?php
+namespace WP_Rocket\Engine\Media\Emojis;
+
+use WP_Rocket\Admin\Options_Data;
+use WP_Rocket\Event_Management\Subscriber_Interface;
+
+/**
+ * Event subscriber to control Emoji behavior.
+ *
+ * @since  3.7
+ */
+class EmojisSubscriber implements Subscriber_Interface {
+
+	/**
+	 * The Options Data instance.
+	 *
+	 * @var Options_Data
+	 */
+	private $options;
+
+	/**
+	 * EmojisSubscriber constructor.
+	 *
+	 * @param Options_Data $options An Options Data instance.
+	 */
+	public function __construct( Options_Data $options ) {
+		$this->options = $options;
+	}
+
+	/**
+	 * Return an array of events that this subscriber wants to listen to.
+	 *
+	 * @since  3.7
+	 *
+	 * @return array
+	 */
+	public static function get_subscribed_events() {
+		return [
+			'init'             => 'disable_emoji',
+			'tiny_mce_plugins' => 'disable_emoji_tinymce',
+		];
+	}
+
+	/**
+	 * Disable the emoji functionality to reduce then number of external HTTP requests.
+	 *
+	 * @since 3.7 Moved to new architecture.
+	 * @since 2.7
+	 */
+	public function disable_emoji() {
+		if ( ! $this->can_disable_emoji() ) {
+			return;
+		}
+
+		remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
+		remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
+		remove_filter( 'the_content_feed', 'wp_staticize_emoji' );
+		remove_filter( 'comment_text_rss', 'wp_staticize_emoji' );
+		remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
+		add_filter( 'emoji_svg_url', '__return_false' );
+	}
+
+	/**
+	 * Remove the tinymce emoji plugin.
+	 *
+	 * @since 3.7 Moved to new architecture.
+	 * @since 2.7
+	 *
+	 * @param array $plugins Plugins loaded for TinyMCE.
+	 *
+	 * @return array
+	 */
+	public function disable_emoji_tinymce( $plugins ) {
+		if ( ! $this->can_disable_emoji() ) {
+			return $plugins;
+		}
+
+		if ( is_array( $plugins ) ) {
+			return array_diff( $plugins, [ 'wpemoji' ] );
+		}
+
+		return [];
+	}
+
+	/**
+	 * Check for emoji option enabled & not bypassed.
+	 *
+	 * @since 3.7
+	 *
+	 * @return bool
+	 */
+	private function can_disable_emoji() {
+		return ! rocket_bypass() && (bool) $this->options->get( 'emoji', 0 );
+	}
+}