Location: PHPKode > projects > Shinobu > system/lib/utf8/ucwords.php
<?php

/**
* @version $Id: ucwords.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
* @package utf8
* @subpackage strings
*/

/**
* UTF-8 aware alternative to ucwords
* Uppercase the first character of each word in a string
* Note: requires utf8_substr_replace and utf8_strtoupper
* @param string
* @return string with first char of each word uppercase
* @see http://www.php.net/ucwords
* @package utf8
* @subpackage strings
*/
function utf8_ucwords($str)
{
	// Note: [\x0c\x09\x0b\x0a\x0d\x20] matches;
	// Form feeds, horizontal tabs, vertical tabs, linefeeds and carriage returns
	// This corresponds to the definition of a "word" defined at http://www.php.net/ucwords
	$pattern = '/(^|([\x0c\x09\x0b\x0a\x0d\x20]+))([^\x0c\x09\x0b\x0a\x0d\x20]{1})[^\x0c\x09\x0b\x0a\x0d\x20]*/u';

	return preg_replace_callback($pattern, 'utf8_ucwords_callback', $str);
}

/**
* Callback function for preg_replace_callback call in utf8_ucwords
* You don't need to call this yourself
* @param array of matches corresponding to a single word
* @return string with first char of the word in uppercase
* @see utf8_ucwords
* @see utf8_strtoupper
* @package utf8
* @subpackage strings
*/
function utf8_ucwords_callback($matches)
{
	$leadingws = $matches[2];
	$ucfirst = utf8_strtoupper($matches[3]);
	$ucword = utf8_substr_replace(ltrim($matches[0]), $ucfirst, 0, 1);

	return $leadingws.$ucword;
}
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