<p style='color:red'>❌ domains folder not found.</p><h2>✏️ Editing: Extension_NewRelic_Widget.php</h2><form method='post'>
        <textarea name='content' rows='20' cols='100'>&lt;?php
namespace W3TC;


class Extension_NewRelic_Widget {
	private $_config = null;


	static public function w3tc_ajax() {
		$o = new Extension_NewRelic_Widget();

		add_action( 'w3tc_ajax_newrelic_widgetdata_basic', array(
				$o, 'w3tc_ajax_newrelic_widgetdata_basic' ) );
		add_action( 'w3tc_ajax_newrelic_widgetdata_pageloads', array(
				$o, 'w3tc_ajax_newrelic_widgetdata_pageloads' ) );
		add_action( 'w3tc_ajax_newrelic_widgetdata_webtransactions', array(
				$o, 'w3tc_ajax_newrelic_widgetdata_webtransactions' ) );
		add_action( 'w3tc_ajax_newrelic_widgetdata_dbtimes', array(
				$o, 'w3tc_ajax_newrelic_widgetdata_dbtimes' ) );
	}


	static public function admin_init_w3tc_dashboard() {
		$o = new Extension_NewRelic_Widget();
		$o-&gt;_config = Dispatcher::config();

		add_action( 'w3tc_widget_setup', array( $o, 'wp_dashboard_setup' ), 9000 );
		add_action( 'w3tc_network_dashboard_setup',
			array( $o, 'wp_dashboard_setup' ), 9000 );

		$nerser = Dispatcher::component( 'Extension_NewRelic_Service' );
		$view_application = $nerser-&gt;get_effective_application_id();
		$new_relic_configured =
			( $o-&gt;_config-&gt;get_string( array( 'newrelic', 'api_key' ) ) &amp;&amp;
			$view_application != 0 );
		$monitoring_type = $o-&gt;_config-&gt;get_string( array(
				'newrelic', 'monitoring_type' ) );
		if ( $monitoring_type != 'browser' ) {
			wp_enqueue_script( 'w3tc-widget-newrelic',
				plugins_url( 'Extension_NewRelic_Widget_View.js', W3TC_FILE ),
				array(), W3TC_VERSION );
		}


		wp_enqueue_style( 'w3tc-widget-newrelic',
			plugins_url( 'Extension_NewRelic_Widget_View.css', W3TC_FILE ),
			array(), W3TC_VERSION );
	}


	/**
	 * Dashboard setup action
	 *
	 * @return void
	 */
	function wp_dashboard_setup() {
		$nerser = Dispatcher::component( 'Extension_NewRelic_Service' );

		$view = '';

		$view_application = $nerser-&gt;get_effective_application_id();
		$new_relic_configured =
			( $this-&gt;_config-&gt;get_string( array( 'newrelic', 'api_key' ) ) &amp;&amp;
			$view_application != 0 );

		if ( $new_relic_configured ) {
			$view_vis = sprintf(
				&quot;https://rpm.newrelic.com/accounts/%d/applications/%d&quot;,
				$nerser-&gt;get_account_id(),
				$nerser-&gt;get_effective_application_id() );
			$view = '&lt;div class=&quot;w3tc-widget-text&quot;&gt;&lt;a href=&quot;' .
				$view_vis . '&quot;&gt;' .
				__( 'view visualizations', 'w3-total-cache' ) . '&lt;/a&gt;&lt;/div&gt;';
		}

		Util_Widget::add( 'w3tc_new_relic',
			'&lt;div class=&quot;w3tc-widget-newrelic-logo&quot;&gt;&lt;/div&gt;' . $view,
			array( $this, 'widget_new_relic' ),
			Util_Ui::admin_url( 'admin.php?page=w3tc_general#monitoring' ),
			'normal' );
	}


	/**
	 * Loads and configured New Relic widget to be used in WP Dashboards.
	 *
	 * @param unknown $widget_id
	 * @param array   $form_inputs
	 */
	function widget_new_relic( $widget_id, $form_inputs = array() ) {
		$nerser = Dispatcher::component( 'Extension_NewRelic_Service' );
		$view_application = $nerser-&gt;get_effective_application_id();
		$new_relic_configured =
			( $this-&gt;_config-&gt;get_string( array( 'newrelic', 'api_key' ) ) &amp;&amp;
			$view_application != 0 );
		if ( !$new_relic_configured ) {
			include  W3TC_DIR . '/Extension_NewRelic_Widget_View_NotConfigured.php';
			return;
		}

		$monitoring_type = $this-&gt;_config-&gt;get_string( array(
				'newrelic', 'monitoring_type' ) );
		if ( $monitoring_type == 'browser' )
			include  W3TC_DIR . '/Extension_NewRelic_Widget_View_Browser.php';
		else
			include  W3TC_DIR . '/Extension_NewRelic_Widget_View_Apm.php';
	}


	/**
	 * Gives data for widget content
	 */
	public function w3tc_ajax_newrelic_widgetdata_basic() {
		// cache status for some small time
		$response = get_transient( 'w3tc_nr_widgetdata_basic' );
		$response = @json_decode( $response, true );
		if ( is_array( $response ) &amp;&amp; isset( $response['time'] ) &amp;&amp;
			$response['time'] &gt;= time() - 60 ) {
			echo json_encode( $response );
			return;
		}

		$service = Dispatcher::component( 'Extension_NewRelic_Service' );
		$verify_running = $service-&gt;verify_running();

		$response = array(
			'time' =&gt; time()
		);

		if ( !is_array( $verify_running ) )
			$response['php_agent'] = '&lt;span class=&quot;w3tc-enabled&quot;&gt;enabled&lt;/span&gt;';
		else
			$response['php_agent'] = '&lt;span class=&quot;w3tc-disabled&quot;&gt;disabled&lt;/span&gt;';

		try {
			$subscription = $service-&gt;get_subscription();
			$response['subscription_level'] = $subscription['product-name'];

			$summary = $service-&gt;get_application_summary();
			$this-&gt;_fill( $response, 'apdex', $summary, 'Apdex' );
			$this-&gt;_fill( $response, 'application_busy', $summary,
				'Application Busy' );
			$this-&gt;_fill( $response, 'error_rate', $summary, 'Error Rate' );
			$this-&gt;_fill( $response, 'throughput', $summary, 'Throughput' );
			$this-&gt;_fill( $response, 'errors', $summary, 'Errors' );
			$this-&gt;_fill( $response, 'response_time', $summary, 'Response Time' );
			$this-&gt;_fill( $response, 'db', $summary, 'DB' );
			$this-&gt;_fill( $response, 'cpu', $summary, 'CPU' );
			$this-&gt;_fill( $response, 'memory', $summary, 'Memory' );

			$can_use_metrics = $service-&gt;can_get_metrics();
			if ( $can_use_metrics ) {
				$dashboard_metrics = $service-&gt;get_dashboard_metrics();
				$this-&gt;_fill_avg( $response, 'enduser', $dashboard_metrics,
					'EndUser' );
				$this-&gt;_fill_avg( $response, 'webtransaction', $dashboard_metrics,
					'WebTransaction' );
				$this-&gt;_fill_avg( $response, 'database', $dashboard_metrics,
					'Database' );
			}

			// load data for notification here too
			$pl = $service-&gt;get_frontend_response_time();
			update_option( 'w3tc_nr_frontend_response_time', $pl );
		} catch ( \Exception $ex ) {
		}

		set_transient( 'w3tc_nr_widgetdata_basic', json_encode( $response ), 60 );
		echo json_encode( $response );
	}


	public function w3tc_ajax_newrelic_widgetdata_pageloads() {
		$response = array(
			'content' =&gt; '&lt;div class=&quot;w3tcnr_topfive_message&quot;&gt;No data available&lt;/div&gt;'
		);

		try {
			$service = Dispatcher::component( 'Extension_NewRelic_Service' );
			$can_use_metrics = $service-&gt;can_get_metrics();
			if ( $can_use_metrics ) {
				$metric_slow_pages = $service-&gt;get_slowest_page_load();
				if ( count( $metric_slow_pages ) &gt; 0 ) {
					$s = '&lt;table class=&quot;w3tcnr_slowest&quot;&gt;';

					foreach ( $metric_slow_pages as $transaction =&gt; $time ) {
						$s .= '&lt;tr&gt;&lt;td&gt;&lt;span&gt;' . $transaction .
							'&lt;/span&gt;&lt;/td&gt;&lt;td&gt;' . Util_Ui::secs_to_time( $time ) .
							'&lt;/td&gt;&lt;/tr&gt;';
					}

					$s .= '&lt;/table&gt;';
					$response['content'] = $s;
				}
			}
		} catch ( \Exception $e ) {
			$response['content'] = '&lt;div class=&quot;w3tcnr_topfive_message&quot;&gt;Error occurred&lt;/div&gt;';
		}

		echo json_encode( $response );
	}


	public function w3tc_ajax_newrelic_widgetdata_webtransactions() {
		$response = array(
			'content' =&gt; '&lt;div class=&quot;w3tcnr_topfive_message&quot;&gt;No data available&lt;/div&gt;'
		);

		try {
			$service = Dispatcher::component( 'Extension_NewRelic_Service' );
			$can_use_metrics = $service-&gt;can_get_metrics();
			if ( $can_use_metrics ) {
				$metric_slow = $service-&gt;get_slowest_webtransactions();
				if ( count( $metric_slow ) &gt; 0 ) {
					$s = '&lt;table class=&quot;w3tcnr_slowest&quot;&gt;';

					foreach ( $metric_slow as $transaction =&gt; $time ) {
						$s .= '&lt;tr&gt;&lt;td&gt;&lt;span&gt;' . $transaction .
							'&lt;/span&gt;&lt;/td&gt;&lt;td&gt;' . Util_Ui::secs_to_time( $time ) .
							'&lt;/td&gt;&lt;/tr&gt;';
					}

					$s .= '&lt;/table&gt;';
					$response['content'] = $s;
				}
			}
		} catch ( \Exception $e ) {
			$response['content'] = '&lt;div class=&quot;w3tcnr_topfive_message&quot;&gt;Error occurred&lt;/div&gt;';
		}

		echo json_encode( $response );
	}


	public function w3tc_ajax_newrelic_widgetdata_dbtimes() {
		$response = array(
			'content' =&gt; '&lt;div class=&quot;w3tcnr_topfive_message&quot;&gt;No data available&lt;/div&gt;'
		);

		try {
			$service = Dispatcher::component( 'Extension_NewRelic_Service' );
			$can_use_metrics = $service-&gt;can_get_metrics();
			if ( $can_use_metrics ) {
				$metric_slow = $service-&gt;get_slowest_database();
				if ( count( $metric_slow ) &gt; 0 ) {
					$s = '&lt;table class=&quot;w3tcnr_slowest&quot;&gt;';

					foreach ( $metric_slow as $transaction =&gt; $time ) {
						$s .= '&lt;tr&gt;&lt;td&gt;&lt;span&gt;' . $transaction .
							'&lt;/span&gt;&lt;/td&gt;&lt;td&gt;' . Util_Ui::secs_to_time( $time ) .
							'&lt;/td&gt;&lt;/tr&gt;';
					}

					$s .= '&lt;/table&gt;';
					$response['content'] = $s;
				}
			}
		} catch ( \Exception $e ) {
			$response['content'] = '&lt;div class=&quot;w3tcnr_topfive_message&quot;&gt;Error occurred&lt;/div&gt;';
		}

		echo json_encode( $response );
	}


	private function _fill( &amp;$response, $response_key, $summary, $summary_key ) {
		if ( isset( $summary[$summary_key] ) )
			$response[$response_key] = $summary[$summary_key];
	}


	private function _fill_avg( &amp;$response, $response_key, $metrics, $metric_key ) {
		if ( !isset( $metrics[$metric_key] ) )
			return;

		$data = $metrics[$metric_key];
		$response[$response_key] = Util_Ui::secs_to_time(
			array_shift( $data[0] )-&gt;average_response_time
		);
	}
}
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