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  1. <?php
  2.   function string_sanitizer($feed_status) { 
  3.     /*echo $feed_status.PHP_EOL;
  4. <img src="http://54.174.50.242/file/pic/emoticon/default/smile.png" alt="Smile" title="Smile" title="v_middle" /><img src="http://54.174.50.242/file/pic/emoticon/default/smile.png" alt="Smile" title="Smile" title="v_middle" /><img src="http://54.174.50.242/file/pic/emoticon/default/smile.png" alt="Smile" title="Smile" title="v_middle" />*/
  5.  
  6.     $temp = $feed_status;
  7.     $doc = new DOMDocument();
  8.     @$doc->loadHTML($feed_status, LIBXML_HTML_NODEFDTD);
  9.     $imageTags = $doc->getElementsByTagName('img');
  10.     /*print_r($imageTags);
  11.       echo PHP_EOL;        
  12.     DOMNodeList Object
  13.     (
  14.         [length] => 3
  15.     )*/
  16.     $replacements = array(
  17.       'evilgrin.png' => '\ue404',
  18.       'grin.png' => '\ue415',
  19.       'happy.png' => '\ue057',
  20.       'smile.png' => '\ue056',
  21.       'surprised.png' => '\ue107',
  22.       'tongue.png' => '\ue105',
  23.       'unhappy.png' => '\ue403',
  24.       'waii.png' => '\ue407',
  25.       'wink.png' => '\ue405',
  26.     );
  27.  
  28.     // regression 
  29.     $i = $imageTags->length - 1;
  30.     /*echo "Value of i:".$i.PHP_EOL;
  31.       Value of i:2*/     
  32.     while($i > -1) { 
  33.       //echo "Loop Counter :".$i.PHP_EOL;
  34.  
  35.       $tag = $imageTags->item($i);
  36.       /*print_r($tag);
  37.       echo PHP_EOL;*/
  38.       $basename = basename($tag->getAttribute('src'));
  39.       //echo $basename.PHP_EOL;
  40.       if(isset($replacements[$basename])) { //echo "In a loop :".$i.PHP_EOL; 
  41.         //if the file name matches make replacements
  42.         $r = $replacements[$basename];
  43.         //echo "Value of r : ".$r.PHP_EOL;
  44.         $text = $doc->createTextNode($r);
  45.         /*print_r($text);
  46.         echo PHP_EOL;*/ 
  47.         $tag->parentNode->replaceChild($text, $tag);
  48.         /*print_r($tag);
  49.         echo PHP_EOL;*/
  50.       }
  51.       $i--;
  52.     }
  53.     //I think till here everything works fine but issue is in saving this newly generated HTML
  54.  
  55.     // append to string container again
  56.     $feed_status = '';
  57.     foreach($doc->childNodes->item(0)->childNodes->item(0)->childNodes as $e) {
  58.       $feed_status .= addslashes($doc->saveHTML($e));
  59.     }   
  60.  
  61.     if($feed_status == '') {
  62.       $feed_status = strip_tags($temp);        
  63.     }
  64.     return $feed_status;
  65.   }
  66.  
  67. $str_sample = '<img src="http://54.174.50.242/file/pic/emoticon/default/smile.png" alt="Smile" title="Smile" class="v_middle" /><img src="http://54.174.50.242/file/pic/emoticon/default/smile.png" alt="Smile" title="Smile" class="v_middle" /><img src="http://54.174.50.242/file/pic/emoticon/default/smile.png" alt="Smile" title="Smile" class="v_middle" />';
  68. $jumbo = string_sanitizer($str_sample);
  69. echo $jumbo;
  70. ?>
Success #stdin #stdout 0.02s 24432KB
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Standard input is empty
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\\ue056\\ue056\\ue056
https://ideone.com/QRFUQm
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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