first commit

libraries/phputf8/ucwords.php

@@ -0,0 +1,44 @@
+<?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;
+}
+