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author | Andreas Baumann <mail@andreasbaumann.cc> | 2019-11-17 20:57:39 +0100 |
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committer | Andreas Baumann <mail@andreasbaumann.cc> | 2019-11-17 20:57:39 +0100 |
commit | 3b06ee0d381dc1be5f40ca98ad4278046d869d21 (patch) | |
tree | d31e79fc57d882b8267f40c3434480bb58a3ca73 /include/utf8/ucwords.php | |
download | fluxbb-3b06ee0d381dc1be5f40ca98ad4278046d869d21.tar.xz |
Diffstat (limited to 'include/utf8/ucwords.php')
-rw-r--r-- | include/utf8/ucwords.php | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/utf8/ucwords.php b/include/utf8/ucwords.php new file mode 100644 index 0000000..e985cee --- /dev/null +++ b/include/utf8/ucwords.php @@ -0,0 +1,46 @@ +<?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; +} |