73 lines
1.7 KiB
PHP
73 lines
1.7 KiB
PHP
<?php
|
|
/* vim: set expandtab sw=4 ts=4 sts=4: */
|
|
/**
|
|
* Specialized String Class for phpMyAdmin
|
|
*
|
|
* 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
|
|
* @subpackage Native
|
|
*/
|
|
if (! defined('PHPMYADMIN')) {
|
|
exit;
|
|
}
|
|
|
|
class PMA_NativeString {
|
|
/**
|
|
* Returns length of string depending on current charset.
|
|
*
|
|
* @param string $string string to count
|
|
*
|
|
* @return int string length
|
|
*/
|
|
public static function strlen($string)
|
|
{
|
|
return 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 $length length of substring
|
|
*
|
|
* @return string the sub string
|
|
*/
|
|
public static function substr($string, $start, $length = 2147483647)
|
|
{
|
|
return substr($string, $start, $length);
|
|
}
|
|
|
|
/**
|
|
* Returns postion of $needle in $haystack or false if not found
|
|
*
|
|
* @param string $haystack the string being checked
|
|
* @param string $needle the string to find in haystack
|
|
* @param int $offset the search offset
|
|
*
|
|
* @return integer position of $needle in $haystack or false
|
|
*/
|
|
public static function strpos($haystack, $needle, $offset = 0)
|
|
{
|
|
return strpos($haystack, $needle, $offset);
|
|
}
|
|
|
|
/**
|
|
* Make a string lowercase
|
|
*
|
|
* @param string $string the string being lowercased
|
|
*
|
|
* @return string the lower case string
|
|
*/
|
|
public static function strtolower($string)
|
|
{
|
|
return strtolower($string);
|
|
}
|
|
};
|
|
?>
|
