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pma/libraries/transformations/text_plain__substr.inc.php 1.56 KB
a1684257   Administrator   first commit
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  <?php
  /* vim: set expandtab sw=4 ts=4 sts=4: */
  /**
   * @package PhpMyAdmin-Transformation
   */
  
  function PMA_transformation_text_plain__substr_info()
  {
      return array(
          'info' => __('Displays a part of a string. The first option is the number of characters to skip from the beginning of the string (Default 0). The second option is the number of characters to return (Default: until end of string). The third option is the string to append and/or prepend when truncation occurs (Default: "...").'),
          );
  }
  
  /**
   *
   */
  function PMA_transformation_text_plain__substr($buffer, $options = array(), $meta = '')
  {
      // possibly use a global transform and feed it with special options:
      // include './libraries/transformations/global.inc.php';
  
      // further operations on $buffer using the $options[] array.
      if (!isset($options[0]) ||  $options[0] == '') {
          $options[0] = 0;
      }
  
      if (!isset($options[1]) ||  $options[1] == '') {
          $options[1] = 'all';
      }
  
      if (!isset($options[2]) || $options[2] == '') {
          $options[2] = '...';
      }
  
      $newtext = '';
      if ($options[1] != 'all') {
          $newtext = PMA_substr($buffer, $options[0], $options[1]);
      } else {
          $newtext = PMA_substr($buffer, $options[0]);
      }
  
      $length = strlen($newtext);
      $baselength = strlen($buffer);
      if ($length != $baselength) {
          if ($options[0] != 0) {
              $newtext = $options[2] . $newtext;
          }
  
          if (($length + $options[0]) != $baselength) {
              $newtext .= $options[2];
          }
      }
  
      return $newtext;
  }
  
  ?>