- fix PSR-2 coding standards and PHPDoc blocks https://github.com/smarty-php/smarty/pull/452

https://github.com/smarty-php/smarty/pull/475
    https://github.com/smarty-php/smarty/pull/473
  - bugfix PHP5.2 compatibility https://github.com/smarty-php/smarty/pull/472

libs/plugins/function.html_image.php

@@ -5,7 +5,6 @@
  * @package    Smarty
  * @subpackage PluginsFunction
  */
-
 /**
  * Smarty {html_image} function plugin
  * Type:     function
@@ -33,15 +32,14 @@
  *
  * @throws SmartyException
  * @return string
- * @uses   smarty_function_escape_special_chars()
+ * @uses    smarty_function_escape_special_chars()
  */
 function smarty_function_html_image($params, Smarty_Internal_Template $template)
 {
     $template->_checkPlugins(
         array(array('function' => 'smarty_function_escape_special_chars',
-        'file' => SMARTY_PLUGINS_DIR . 'shared.escape_special_chars.php'))
+                    'file'     => SMARTY_PLUGINS_DIR . 'shared.escape_special_chars.php'))
     );
-
     $alt = '';
     $file = '';
     $height = '';
@@ -53,61 +51,54 @@ function smarty_function_html_image($params, Smarty_Internal_Template $template)
     $basedir = isset($_SERVER[ 'DOCUMENT_ROOT' ]) ? $_SERVER[ 'DOCUMENT_ROOT' ] : '';
     foreach ($params as $_key => $_val) {
         switch ($_key) {
-        case 'file':
-        case 'height':
-        case 'width':
-        case 'dpi':
-        case 'path_prefix':
-        case 'basedir':
-            $$_key = $_val;
-            break;
-
-        case 'alt':
-            if (!is_array($_val)) {
-                $$_key = smarty_function_escape_special_chars($_val);
-            } else {
-                throw new SmartyException("html_image: extra attribute '{$_key}' cannot be an array", E_USER_NOTICE);
-            }
-            break;
-
-        case 'link':
-        case 'href':
-            $prefix = '<a href="' . $_val . '">';
-            $suffix = '</a>';
-            break;
-
-        default:
-            if (!is_array($_val)) {
-                $extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_val) . '"';
-            } else {
-                throw new SmartyException("html_image: extra attribute '{$_key}' cannot be an array", E_USER_NOTICE);
-            }
-            break;
+            case 'file':
+            case 'height':
+            case 'width':
+            case 'dpi':
+            case 'path_prefix':
+            case 'basedir':
+                $$_key = $_val;
+                break;
+            case 'alt':
+                if (!is_array($_val)) {
+                    $$_key = smarty_function_escape_special_chars($_val);
+                } else {
+                    throw new SmartyException("html_image: extra attribute '{$_key}' cannot be an array",
+                                              E_USER_NOTICE);
+                }
+                break;
+            case 'link':
+            case 'href':
+                $prefix = '<a href="' . $_val . '">';
+                $suffix = '</a>';
+                break;
+            default:
+                if (!is_array($_val)) {
+                    $extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_val) . '"';
+                } else {
+                    throw new SmartyException("html_image: extra attribute '{$_key}' cannot be an array",
+                                              E_USER_NOTICE);
+                }
+                break;
         }
     }
-
     if (empty($file)) {
         trigger_error('html_image: missing \'file\' parameter', E_USER_NOTICE);
-
         return;
     }
-
     if ($file[ 0 ] === '/') {
         $_image_path = $basedir . $file;
     } else {
         $_image_path = $file;
     }
-
     // strip file protocol
     if (stripos($params[ 'file' ], 'file://') === 0) {
         $params[ 'file' ] = substr($params[ 'file' ], 7);
     }
-
     $protocol = strpos($params[ 'file' ], '://');
     if ($protocol !== false) {
         $protocol = strtolower(substr($params[ 'file' ], 0, $protocol));
     }
-
     if (isset($template->smarty->security_policy)) {
         if ($protocol) {
             // remote resource (or php stream, …)
@@ -121,25 +112,20 @@ function smarty_function_html_image($params, Smarty_Internal_Template $template)
             }
         }
     }
-
     if (!isset($params[ 'width' ]) || !isset($params[ 'height' ])) {
         // FIXME: (rodneyrehm) getimagesize() loads the complete file off a remote resource, use custom [jpg,png,gif]header reader!
         if (!$_image_data = @getimagesize($_image_path)) {
             if (!file_exists($_image_path)) {
                 trigger_error("html_image: unable to find '{$_image_path}'", E_USER_NOTICE);
-
                 return;
             } elseif (!is_readable($_image_path)) {
                 trigger_error("html_image: unable to read '{$_image_path}'", E_USER_NOTICE);
-
                 return;
             } else {
                 trigger_error("html_image: '{$_image_path}' is not a valid image file", E_USER_NOTICE);
-
                 return;
             }
         }
-
         if (!isset($params[ 'width' ])) {
             $width = $_image_data[ 0 ];
         }
@@ -147,7 +133,6 @@ function smarty_function_html_image($params, Smarty_Internal_Template $template)
             $height = $_image_data[ 1 ];
         }
     }
-
     if (isset($params[ 'dpi' ])) {
         if (strstr($_SERVER[ 'HTTP_USER_AGENT' ], 'Mac')) {
             // FIXME: (rodneyrehm) wrong dpi assumption
@@ -160,7 +145,6 @@ function smarty_function_html_image($params, Smarty_Internal_Template $template)
         $width = round($width * $_resize);
         $height = round($height * $_resize);
     }
-
     return $prefix . '<img src="' . $path_prefix . $file . '" alt="' . $alt . '" width="' . $width . '" height="' .
            $height . '"' . $extra . ' />' . $suffix;
 }