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77 lines
1.9 KiB
PHP
77 lines
1.9 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/** String Functions for phpMyAdmin
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*
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* If mb_* functions don't exist, we create the ones we need and they'll use the
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* standard string functions.
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*
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* All mb_* functions created by PMA should behave as mb_* functions.
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*
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* @package PhpMyAdmin
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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if (!@function_exists('mb_ord')) {
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/**
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* Perform a regular expression match
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*
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* Take care: might not work with lookbehind expressions.
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*
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* @param string $pattern Pattern to search for
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* @param string $subject Input string
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* @param int $offset Start from search
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*
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* @return int 1 if matched, 0 if doesn't, false on failure
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*/
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function mb_preg_strpos($pattern, $subject, $offset = 0)
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{
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$matches = array();
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$bFind = preg_match(
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$pattern, mb_substr($subject, $offset), $matches, PREG_OFFSET_CAPTURE
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);
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if (1 !== $bFind) {
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return false;
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}
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return $matches[1][1] + $offset;
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}
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/**
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* Get the ordinal value of a string
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*
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* @param string $string the string for which ord is required
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*
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* @return int the ord value
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*/
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function mb_ord($string)
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{
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if (false === $string || null === $string || '' === $string) {
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return 0;
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}
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$str = mb_convert_encoding($string, "UCS-4BE", "UTF-8");
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$substr = mb_substr($str, 0, 1, "UCS-4BE");
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$val = unpack("N", $substr);
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return $val[1];
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}
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/**
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* Get the character of an ASCII
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*
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* @param int $ascii the ASCII code for which character is required
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*
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* @return string the character
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*/
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function mb_chr($ascii)
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{
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return mb_convert_encoding(
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pack("N", $ascii),
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mb_internal_encoding(),
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'UCS-4BE'
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);
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}
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}
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