installed plugin W3 Total Cache version 2.3.2

wp-content/plugins/w3-total-cache/Util_Environment_Exceptions.php

@@ -0,0 +1,49 @@
+<?php
+namespace W3TC;
+
+class Util_Environment_Exceptions extends \Exception {
+	private $exceptions;
+	private $credentials_form;
+
+	public function __construct() {
+		parent::__construct();
+
+		$this->exceptions = array();
+	}
+
+	public function push( $ex ) {
+		if ( $ex instanceof Util_Environment_Exceptions ) {
+			foreach ( $ex->exceptions() as $ex2 )
+				$this->push( $ex2 );
+		} else {
+			if ( $this->credentials_form == null &&
+				$ex instanceof Util_WpFile_FilesystemOperationException &&
+				$ex->credentials_form() != null )
+				$this->credentials_form = $ex->credentials_form();
+			$this->exceptions[] = $ex;
+		}
+	}
+
+	/**
+	 *
+	 *
+	 * @return Exception[]
+	 */
+	public function exceptions() {
+		return $this->exceptions;
+	}
+
+	public function credentials_form() {
+		return $this->credentials_form;
+	}
+
+	public function getCombinedMessage() {
+		$s = '';
+		foreach ( $this->exceptions as $m ) {
+			$s .= $m->getMessage() . "\r\n";
+		}
+
+		return $s;
+	}
+
+}