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PHP - Generating Emoticons

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If you are a PHP developer, you are probably aware that you can pass an array of strings as the search strings and an array as the replacements to the str_replace function. In this example you can see how to automatically replace smiley shortcuts by an image.

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  1. <?php
  2.  
  3.     function emoticons($text) {
  4.         $emoticons = array(
  5.         '<img src="images/smiley-happy.png" alt="emoticon" />' => array('1' => ':-)', '2' => ':)'),
  6.         '<img src="images/smiley-wink.png" alt="emoticon" />' => array('1' => ';-)', '2' => ';)'),
  7.         '<img src="images/smiley-cool.png" alt="emoticon" />' => array('1' => '8)', '2' => '8|')
  8.         );
  9.         foreach ($emoticons as $key => $emoticon) {
  10.             $text = str_replace($emoticon, $key, $text);
  11.         }
  12.         return $text;
  13.     }
  14.  
  15.     echo emoticons('This is :) a text ;-) with :-) emoticons 8)');
  16.  
  17. ?>

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