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pma/libraries/string_mb.lib.php 1.5 KB
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  <?php
  /* vim: set expandtab sw=4 ts=4 sts=4: */
  /**
   * Specialized String Functions for phpMyAdmin
   *
   * Copyright 2002 Robin Johnson <robbat2@users.sourceforge.net>
   * http://www.orbis-terrarum.net/?l=people.robbat2
   *
   * Defines a set of function callbacks that have a pure C version available if
   * the "ctype" extension is available, but otherwise have PHP versions to use
   * (that are slower).
   *
   * The SQL Parser code relies heavily on these functions.
   *
   * @package PhpMyAdmin-String-MB
   */
  
  /**
   * Returns length of string depending on current charset.
   *
   * @param string   string to count
   * @return  int      string length
   */
  function PMA_strlen($string)
  {
      return mb_strlen($string);
  }
  
  /**
   * Returns substring from string, works depending on current charset.
   *
   * @param string $string  string to count
   * @param int    $start   start of substring
   * @param int    $length  length of substring
   * @return  string
   */
  function PMA_substr($string, $start, $length = 2147483647)
  {
      return mb_substr($string, $start, $length);
  }
  
  /**
   * Returns postion of $needle in $haystack or false if not found
   *
   * @param string  $haystack
   * @param string  $needle
   * @param int     $offset
   * @return  integer position of $needle in $haystack or false
   */
  function PMA_strpos($haystack, $needle, $offset = 0)
  {
      return mb_strpos($haystack, $needle, $offset);
  }
  
  /**
   * Make a string lowercase
   *
   * @param string  $string
   * @return  string
   */
  function PMA_strtolower($string)
  {
      return mb_strtolower($string);
  }
  
  ?>