joomla_test/libraries/phputf8/ucwords.php
2020-01-02 22:20:31 +07:00

45 lines
1.4 KiB
PHP

<?php
/**
* @version $Id$
* @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;
}