78 lines
1.9 KiB
PHP
78 lines
1.9 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Specialized String Functions for phpMyAdmin
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*
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* Copyright 2002 Robin Johnson <robbat2@users.sourceforge.net>
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* http://www.orbis-terrarum.net/?l=people.robbat2
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*
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* Defines a set of function callbacks that have a pure C version available if
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* the "ctype" extension is available, but otherwise have PHP versions to use
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* (that are slower).
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*
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* The SQL Parser code relies heavily on these functions.
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*
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* @version $Id$
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*/
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/**
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* Returns length of string depending on current charset.
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*
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* @uses mb_strlen()
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* @param string string to count
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* @return int string length
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* @access public
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* @author nijel
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* @todo rename to PM_STR_len()
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*/
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function PMA_strlen($string)
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{
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return mb_strlen($string);
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}
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/**
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* Returns substring from string, works depending on current charset.
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*
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* @uses mb_substr()
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* @param string string to count
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* @param int start of substring
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* @param int length of substring
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* @return int substring
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* @access public
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* @author nijel
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* @todo rename to PM_STR_sub()
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*/
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function PMA_substr($string, $start, $length = 2147483647)
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{
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return mb_substr($string, $start, $length);
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}
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/**
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* returns postion of $needle in $haystack or false if not found
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*
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* @uses mb_strpos()
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* @param string $needle
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* @param string $haystack
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* @return integer position of $needle in $haystack or false
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*/
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function PMA_STR_pos($haystack, $needle, $offset = 0)
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{
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return mb_strpos($haystack, $needle, $offset);
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}
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/**
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* returns right most postion of $needle in $haystack or false if not found
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*
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* @uses mb_strrpos()
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* @param string $needle
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* @param string $haystack
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* @return integer position of $needle in $haystack or false
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* @todo add workaround for offset for PHP < 5.2.0
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*/
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function PMA_STR_rPos($haystack, $needle, $offset = 0)
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{
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return mb_strrpos($haystack, $needle);
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}
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?>
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