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CodeIgniter Helper Function: set_muli_value

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CodeIgniter Helper function to repopulate form values when a muli-dimensional post array key is used.

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  1. if (!function_exists('set_multi_value')) {
  2.  
  3.     /**
  4.      * Repopulate form values when a muli-dimensional post array key is used.
  5.      *
  6.      * @param string $field
  7.      * @param string $index
  8.      * @param string $default
  9.      * @return string 
  10.      */
  11.     function set_multi_value($field, $index=null, $default=null) {
  12.         $CI = & get_instance();
  13.         if ($_SERVER['REQUEST_METHOD'] == 'POST') {
  14.             if (preg_match('/^([a-z0-9_-]+)\[([0-9]+)\]$/i', $field, $matches)) {
  15.                 return $CI->security->xss_clean($_POST[$matches[1]][$matches[2]]);
  16.             } elseif (!is_null($index)) {
  17.                 return $CI->security->xss_clean($_POST[$field][$index]);
  18.             } elseif (is_null($default)) {
  19.                 return $CI->security->xss_clean($_POST[$field]);
  20.             } else {
  21.                 return $CI->security->xss_clean($default);
  22.             }
  23.         } elseif (!is_null($default)) {
  24.             return $CI->security->xss_clean($default);
  25.         } else {
  26.             return '';
  27.         }
  28.     }
  29.  
  30. }

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