<?php

/**

* Defines a set of specialized string functions.

*

* @package PhpMyAdmin-String

* @todo May be move this into file of its own

*/

interface PMA_StringByte

{

/**

* Returns length of string depending on current charset.

*

* @param string $string string to count

*

* @return int string length

*/

public function 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 function substr($string, $start, $length = 2147483647);

/**

* 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 function strpos($haystack, $needle, $offset = 0);

/**

* Make a string lowercase

*

* @param string $string the string being lowercased

*

* @return string the lower case string

*/

public function strtolower($string);

/**

* Get the ordinal value of a string

*

* @param string $string the string for which ord is required

*

* @return string the ord value

*/

public function ord($string);

}

?>