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<?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;
}
if (!@function_exists('mb_ord')) {
mb_internal_encoding('utf-8');
/**
* Perform a regular expression match
*
* Take care: might not work with lookbehind expressions.
*
* @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(
$pattern, mb_substr($subject, $offset), $matches, PREG_OFFSET_CAPTURE
);
if (1 !== $bFind) {
return false;
}
return $matches[1][1] + $offset;
}
/**
* 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)
{
if (false === $string || null === $string || '' === $string) {
return 0;
}
$str = mb_convert_encoding($string, "UCS-4BE", "UTF-8");
$substr = mb_substr($str, 0, 1, "UCS-4BE");
$val = unpack("N", $substr);
return $val[1];
}
/**
* 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 mb_convert_encoding(
pack("N", $ascii),
mb_internal_encoding(),
'UCS-4BE'
);
}
}
|
