libraries/transformations/text_plain__substr.inc.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * @package phpMyAdmin-Transformation
   5  */
   6
   7 function PMA_transformation_text_plain__substr_info() {
   8     return array(
   9         '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: "...").'),
  10         );
  11 }
  12
  13 /**
  14  *
  15  */
  16 function PMA_transformation_text_plain__substr($buffer, $options = array(), $meta = '') {
  17     // possibly use a global transform and feed it with special options:
  18     // include './libraries/transformations/global.inc.php';
  19
  20     // further operations on $buffer using the $options[] array.
  21     if (!isset($options[0]) ||  $options[0] == '') {
  22         $options[0] = 0;
  23     }
  24
  25     if (!isset($options[1]) ||  $options[1] == '') {
  26         $options[1] = 'all';
  27     }
  28
  29     if (!isset($options[2]) || $options[2] == '') {
  30         $options[2] = '...';
  31     }
  32
  33     $newtext = '';
  34     if ($options[1] != 'all') {
  35         $newtext = PMA_substr($buffer, $options[0], $options[1]);
  36     } else {
  37         $newtext = PMA_substr($buffer, $options[0]);
  38     }
  39
  40     $length = strlen($newtext);
  41     $baselength = strlen($buffer);
  42     if ($length != $baselength) {
  43         if ($options[0] != 0) {
  44             $newtext = $options[2] . $newtext;
  45         }
  46
  47         if (($length + $options[0]) != $baselength) {
  48             $newtext .= $options[2];
  49         }
  50     }
  51
  52     return $newtext;
  53 }
  54
  55 ?>