1 files changed, 73 insertions, 0 deletions
diff --git a/phpBB/phpbb/error_collector.php b/phpBB/phpbb/error_collector.php
new file mode 100644
index 0000000000..bf8efd1065
--- /dev/null
+++ b/phpBB/phpbb/error_collector.php
@@ -0,0 +1,73 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb;
+
+class error_collector
+{
+	var $errors;
+	var $error_types;
+
+	/**
+	 * Constructor.
+	 *
+	 * The variable $error_types may be set to a mask of PHP error types that
+	 * the collector should keep, e.g. `E_ALL`. If unset, the current value of
+	 * the error_reporting() function will be used to determine which errors
+	 * the collector will keep.
+	 *
+	 * @see PHPBB3-13306
+	 * @param int|null $error_types
+	 */
+	function __construct($error_types = null)
+	{
+		$this->errors = array();
+		$this->error_types = $error_types;
+	}
+
+	function install()
+	{
+		set_error_handler(array(&$this, 'error_handler'), ($this->error_types !== null) ? $this->error_types : error_reporting());
+	}
+
+	function uninstall()
+	{
+		restore_error_handler();
+	}
+
+	function error_handler($errno, $msg_text, $errfile, $errline)
+	{
+		$this->errors[] = array($errno, $msg_text, $errfile, $errline);
+	}
+
+	function format_errors()
+	{
+		$text = '';
+		foreach ($this->errors as $error)
+		{
+			if (!empty($text))
+			{
+				$text .= "<br />\n";
+			}
+
+			list($errno, $msg_text, $errfile, $errline) = $error;
+
+			// Prevent leakage of local path to phpBB install
+			$errfile = phpbb_filter_root_path($errfile);
+
+			$text .= "Errno $errno: $msg_text at $errfile line $errline";
+		}
+
+		return $text;
+	}
+}