Index: globals.php
===================================================================
--- globals.php	(revision 15437)
+++ globals.php	(working copy)
@@ -180,7 +180,7 @@
 	 */
 	public static function getConfigVars()
 	{
-		static $vars = null;
+		static $vars = NULL;
 
 		if ( !isset($vars) ) {
 			$vars = self::parseConfig();
@@ -313,7 +313,7 @@
 	 * @access public
 	 * @deprecated
 	 */
-	public static function curl_post($url, $data, $headers = null, $request_type = 'POST', $curl_options = null)
+	public static function curl_post($url, $data, $headers = NULL, $request_type = 'POST', $curl_options = NULL)
 	{
 		$application =& kApplication::Instance();
 
@@ -673,6 +673,27 @@
 	{
 		return sprintf('%u', crc32($str));
 	}
+
+	/**
+	 * Returns instance of DateTime class with date set based on timestamp
+	 *
+	 * @static
+	 * @param int $timestamp
+	 * @return DateTime
+	 */
+	public static function dateFromTimestamp($timestamp)
+	{
+		if ( version_compare(PHP_VERSION, '5.3.0', '<') ) {
+			$date = new DateTime('@' . $timestamp);
+			$date->setTimezone(new DateTimeZone(getenv('TZ')));
+		}
+		else {
+			$date = new DateTime();
+			$date->setTimestamp($timestamp);
+		}
+
+		return $date;
+	}
 }
 
 /**
@@ -710,7 +731,7 @@
 	 * @param int $scanner_mode
 	 * @return Array
 	 */
-	function parse_ini_string($ini, $process_sections = false, $scanner_mode = null)
+	function parse_ini_string($ini, $process_sections = false, $scanner_mode = NULL)
 	{
 		# Generate a temporary file.
 		$tempname = tempnam('/tmp', 'ini');