diff options
Diffstat (limited to 'include/utf8/str_split.php')
-rw-r--r-- | include/utf8/str_split.php | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/utf8/str_split.php b/include/utf8/str_split.php new file mode 100644 index 0000000..15bc215 --- /dev/null +++ b/include/utf8/str_split.php @@ -0,0 +1,33 @@ +<?php + +/** +* @version $Id: str_split.php,v 1.1 2006/02/25 13:50:17 harryf Exp $ +* @package utf8 +* @subpackage strings +*/ + +/** +* UTF-8 aware alternative to str_split +* Convert a string to an array +* Note: requires utf8_strlen to be loaded +* @param string UTF-8 encoded +* @param int number to characters to split string by +* @return string characters in string reverses +* @see http://www.php.net/str_split +* @see utf8_strlen +* @package utf8 +* @subpackage strings +*/ +function utf8_str_split($str, $split_len=1) +{ + if (!preg_match('/^[0-9]+$/',$split_len) || $split_len < 1) + return false; + + $len = utf8_strlen($str); + if ($len <= $split_len) + return array($str); + + preg_match_all('/.{'.$split_len.'}|[^\x00]{1,'.$split_len.'}$/us', $str, $ar); + + return $ar[0]; +} |