<?php
/**
* Defines a set of specialized string functions.
*
* @package PhpMyAdmin-String
*/
/**
* Defines a set of specialized string functions.
*
* @package PhpMyAdmin-String
*/
interface PMA_StringByte
{
/**
* Returns length of string depending on current charset.
*
* @param string $string string to count
*
* @return int|false string length
*/
public function strlen($string);
/**
* Returns substring from string, works depending on current charset.
*
* @param string $string string to count
* @param int $start start of substring
* @param int $length length of substring
*
* @return string|false the sub string
*/
public function substr($string, $start, $length = 2147483647);
/**
* Returns number of substring from string, works depending on current charset.
*
* @param string $string string to check
* @param int $needle string to count
*
* @return int number of substring from the string
*/
public function substrCount($string, $needle);
/**
* Returns position 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 int|false position of $needle in $haystack or false
*/
public function strpos($haystack, $needle, $offset = 0);
/**
* Returns position of $needle in $haystack - case insensitive - 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 int|false position of $needle in $haystack or false
*/
public function stripos($haystack, $needle, $offset = 0);
/**
* Returns position of last $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 int|false position of last $needle in $haystack or false
*/
public function strrpos($haystack, $needle, $offset = 0);
/**
* Returns position of last $needle in $haystack - case insensitive - 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 int|false position of last $needle in $haystack or false
*/
public function strripos($haystack, $needle, $offset = 0);
/**
* Returns part of $haystack string starting from and including the first
* occurrence of $needle to the end of $haystack or false if not found
*
* @param string $haystack the string being checked
* @param string $needle the string to find in haystack
* @param bool $before_needle the part before the needle
*
* @return string|false part of $haystack or false
*/
public function strstr($haystack, $needle, $before_needle = false);
/**
* Returns part of $haystack string starting from and including the first
* occurrence of $needle to the end of $haystack - case insensitive - or false
* if not found
*
* @param string $haystack the string being checked
* @param string $needle the string to find in haystack
* @param bool $before_needle the part before the needle
*
* @return string|false part of $haystack or false
*
* @deprecated
* @see DON'T USE UNTIL HHVM IMPLEMENTS THIRD PARAMETER!
*/
public function stristr($haystack, $needle, $before_needle = false);
/**
* Returns the portion of haystack which starts at the last occurrence or false
* if not found
*
* @param string $haystack the string being checked
* @param string $needle the string to find in haystack
*
* @return string|false portion of haystack which starts at the last occurrence
* or false
*/
public function strrchr($haystack, $needle);
/**
* Make a string lowercase
*
* @param string $string the string being lowercased
*
* @return string the lower case string
*/
public function strtolower($string);
/**
* Make a string uppercase
*
* @param string $string the string being uppercased
*
* @return string the lower case string
*/
public function strtoupper($string);
/**
* Returns position of $needle in $haystack from a regular expression match
*
* @param string $pattern Pattern to search for
* @param string $subject Input string
* @param int $offset Start from search
*
* @return int|false position of $needle in $haystack or false
*/
public function pregStrpos($pattern, $subject, $offset = 0);
/**
* 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);
/**
* Get the character of an ASCII
*
* @param int $ascii the ASCII code for which character is required
*
* @return string the character
*/
public function chr($ascii);
}
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