installed plugin W3 Total Cache version 2.3.2

wp-content/plugins/w3-total-cache/extension-example/Extension_Example.php

@@ -0,0 +1,51 @@
+<?php
+namespace W3TCExample;
+
+
+
+class Extension_Example {
+	/**
+	 * W3 Total cache config
+	 */
+	private $config;
+
+
+
+	/**
+	 * Runs extension
+	 */
+	function run() {
+		// obtain w3tc config
+		$this->config = w3tc_config();
+
+		// get value of config option and use it
+		if ( $this->config->get_boolean( array( 'example' , 'is_title_postfix' ) ) )
+			add_filter( 'the_title', array( $this, 'the_title' ), 10, 2 );
+	}
+
+
+
+	/**
+	 * the_title filter handler.
+	 * This extension adds specified postfix to each post title if extensions
+	 * is configured so on its settings page
+	 */
+	public function the_title( $title, $id ) {
+		return $title .
+			$this->config->get_string( array( 'example' , 'title_postfix' ) );
+	}
+}
+
+
+
+/*
+This file is simply loaded by W3 Total Cache in a case if extension is active.
+Its up to extension what will it do or which way will it do.
+*/
+$p = new Extension_Example();
+$p->run();
+
+if ( is_admin() ) {
+	$p = new Extension_Example_Admin();
+	$p->run();
+}