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<?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);
}
?>
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