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wp-content/plugins/litespeed-cache/thirdparty/perfmatters.cls.php

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+<?php
+/**
+ * The Third Party integration with the Perfmatters plugin.
+ *
+ * @since 4.4.5
+ * @package LiteSpeed
+ * @subpackage LiteSpeed_Cache\Thirdparty
+ */
+
+namespace LiteSpeed\Thirdparty;
+
+defined('WPINC') || exit();
+
+/**
+ * Provides compatibility for the Perfmatters plugin.
+ */
+class Perfmatters {
+
+	/**
+	 * Preload Perfmatters integration.
+	 *
+	 * @since 4.4.5
+	 * @return void
+	 */
+	public static function preload() {
+		if (!defined('PERFMATTERS_VERSION')) {
+			return;
+		}
+
+		if (is_admin()) {
+			return;
+		}
+
+		if (has_action('shutdown', 'perfmatters_script_manager') !== false) {
+			add_action('init', __CLASS__ . '::disable_litespeed_esi', 4);
+		}
+	}
+
+	/**
+	 * Disable LiteSpeed ESI when Perfmatters Script Manager is active.
+	 *
+	 * @since 4.4.5
+	 * @return void
+	 */
+	public static function disable_litespeed_esi() {
+		if (!defined('LITESPEED_ESI_OFF')) {
+			define('LITESPEED_ESI_OFF', true);
+		}
+		do_action('litespeed_debug', 'Disable ESI due to Perfmatters script manager');
+	}
+}