Index: branches/5.3.x/core/units/helpers/image_helper.php
===================================================================
diff -u -N -r15698 -r15902
--- branches/5.3.x/core/units/helpers/image_helper.php	(.../image_helper.php)	(revision 15698)
+++ branches/5.3.x/core/units/helpers/image_helper.php	(.../image_helper.php)	(revision 15902)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: image_helper.php 15698 2013-02-19 11:33:17Z alex $
+* @version	$Id: image_helper.php 15902 2013-07-12 15:37:15Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -43,25 +43,25 @@
 
 			$format_parts = explode(';', $format);
 			foreach ($format_parts as $format_part) {
-				if (preg_match('/resize:(\d*)x(\d*)/', $format_part, $regs)) {
+				if (preg_match('/^resize:(\d*)x(\d*)$/', $format_part, $regs)) {
 					$res['max_width'] = $regs[1];
 					$res['max_height'] = $regs[2];
 				}
-				elseif (preg_match('/wm:([^\|]*)\|([^\|]*)\|([^\|]*)/', $format_part, $regs)) {
+				elseif (preg_match('/^wm:([^\|]*)\|([^\|]*)\|([^\|]*)$/', $format_part, $regs)) {
 					$res['wm_filename'] = FULL_PATH.THEMES_PATH.'/'.$regs[1];
 					$res['h_margin'] = strtolower($regs[2]);
 					$res['v_margin'] = strtolower($regs[3]);
 				}
-				elseif (preg_match('/crop:([^\|]*)\|([^\|]*)/', $format_part, $regs)) {
+				elseif (preg_match('/^crop:([^\|]*)\|([^\|]*)$/', $format_part, $regs)) {
 					$res['crop_x'] = strtolower($regs[1]);
 					$res['crop_y'] = strtolower($regs[2]);
 				}
 				elseif ($format_part == 'img_size' || $format_part == 'img_sizes') {
 					$res['image_size'] = true;
 				}
-				elseif (preg_match('/fill:(.*)/', $format_part, $regs)) {
+				elseif (preg_match('/^fill:(.*)$/', $format_part, $regs)) {
 					$res['fill'] = $regs[1];
-				} elseif (preg_match('/default:(.*)/', $format_part, $regs)) {
+				} elseif (preg_match('/^default:(.*)$/', $format_part, $regs)) {
 					$res['default'] = FULL_PATH.THEMES_PATH.'/'.$regs[1];
 				}
 			}
@@ -75,7 +75,9 @@
 		 * @param string $src_image full path to image (on server)
 		 * @param mixed $max_width maximal allowed resized image width or false if no limit
 		 * @param mixed $max_height maximal allowed resized image height or false if no limit
+		 *
 		 * @return string direct url to resized image
+		 * @throws \RuntimeException When image doesn't exist.
 		 */
 		function ResizeImage($src_image, $max_width, $max_height = false)
 		{
@@ -99,6 +101,10 @@
 				$src_image = $params['default'];
 			}
 
+			if ( !strlen($src_image) || !file_exists($src_image) ) {
+				throw new \RuntimeException(sprintf('Image "%s" doesn\'t exist', $src_image));
+			}
+
 			if ($params['max_width'] > 0 || $params['max_height'] > 0) {
 				list ($params['target_width'], $params['target_height'], $needs_resize) = $this->GetImageDimensions($src_image, $params['max_width'], $params['max_height'], $params);