htmlpurifier: HTMLPurifier/AttrTransform/ImgRequired.php Quellcode

00001 <?php
00002 
00003 // must be called POST validation
00004 
00011 class HTMLPurifier_AttrTransform_ImgRequired extends HTMLPurifier_AttrTransform
00012 {
00013 
00014     public function transform($attr, $config, $context) {
00015 
00016         $src = true;
00017         if (!isset($attr['src'])) {
00018             if ($config->get('Core.RemoveInvalidImg')) return $attr;
00019             $attr['src'] = $config->get('Attr.DefaultInvalidImage');
00020             $src = false;
00021         }
00022 
00023         if (!isset($attr['alt'])) {
00024             if ($src) {
00025                 $alt = $config->get('Attr.DefaultImageAlt');
00026                 if ($alt === null) {
00027                     $attr['alt'] = basename($attr['src']);
00028                 } else {
00029                     $attr['alt'] = $alt;
00030                 }
00031             } else {
00032                 $attr['alt'] = $config->get('Attr.DefaultInvalidImageAlt');
00033             }
00034         }
00035 
00036         return $attr;
00037 
00038     }
00039 
00040 }
00041 
00042 // vim: et sw=4 sts=4



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