<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/** String Functions for phpMyAdmin
* If mb_* functions don't exist, we create the ones we need and they'll use the
* standard string functions.
* All mb_* functions created by PMA should behave as mb_* functions.
*
* @package PhpMyAdmin
*/
if (!defined('PHPMYADMIN')) {
exit;
}
//Define mb_* functions if they don't exist.
if (!@function_exists('mb_strlen')) {
/**
* Returns length of string depending on current charset.
*
* @param string $string string to count
*
* @return int string length
*/
function mb_strlen($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 $length length of substring
*
* @return string the sub string
*/
function mb_substr($string, $start, $length = 2147483647)
{
if (null === $string || strlen($string) <= $start) {
return '';
}
if (null === $length) {
$length = 2147483647;
}
return substr($string, $start, $length);
}
/**
* Returns number of substring from string.
*
* @param string $string string to check
* @param int $needle string to count
*
* @return int number of substring from the string
*/
function mb_substrCount($string, $needle)
{
return substr_count($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 integer position of $needle in $haystack or false
*/
function mb_strpos($haystack, $needle, $offset = 0)
{
return strpos($haystack, $needle, $offset);
}
/**
* 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 integer position of $needle in $haystack or false
*/
function mb_stripos($haystack, $needle, $offset = 0)
{
if (('' === $haystack || false === $haystack) && $offset >= strlen($haystack)
) {
return false;
}
return stripos($haystack, $needle, $offset);
}
/**
* 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 integer position of last $needle in $haystack or false
*/
function mb_strrpos($haystack, $needle, $offset = 0)
{
return strrpos($haystack, $needle, $offset);
}
/**
* 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 integer position of last $needle in $haystack or false
*/
function mb_strripos($haystack, $needle, $offset = 0)
{
if (('' === $haystack || false === $haystack) && $offset >= strlen($haystack)
) {
return false;
}
return strripos($haystack, $needle, $offset);
}
/**
* 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 part of $haystack or false
*/
function mb_strstr($haystack, $needle, $before_needle = false)
{
return strstr($haystack, $needle, $before_needle);
}
/**
* 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 part of $haystack or false
*/
function mb_stristr($haystack, $needle, $before_needle = false)
{
return stristr($haystack, $needle, $before_needle);
}
/**
* 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 $needle the string to find in haystack
*
* @return string portion of haystack which starts at the last occurrence or
* false
*/
function mb_strrchr($haystack, $needle)
{
return strrchr($haystack, $needle);
}
/**
* Make a string lowercase
*
* @param string $string the string being lowercased
*
* @return string the lower case string
*/
function mb_strtolower($string)
{
return strtolower($string);
}
/**
* Make a string uppercase
*
* @param string $string the string being uppercased
*
* @return string the upper case string
*/
function mb_strtoupper($string)
{
return strtoupper($string);
}
}
//New functions.
if (!@function_exists('mb_ord')) {
/**
* Perform a regular expression match
*
* @param string $pattern Pattern to search for
* @param string $subject Input string
* @param int $offset Start from search
*
* @return int 1 if matched, 0 if doesn't, false on failure
*/
function mb_preg_strpos($pattern, $subject, $offset = 0)
{
$matches = array();
$bFind = preg_match(
$pattern, $subject, $matches, PREG_OFFSET_CAPTURE, $offset
);
if (1 !== $bFind) {
return false;
}
return $matches[1][1];
}
/**
* Get the ordinal value of a string
*
* @param string $string the string for which ord is required
*
* @return int the ord value
*/
function mb_ord($string)
{
return ord($string);
}
/**
* Get the character of an ASCII
*
* @param int $ascii the ASCII code for which character is required
*
* @return string the character
*/
function mb_chr($ascii)
{
return chr($ascii);
}
} |