From b941818441bad765af8561bf44fe8d7b76bafe60 Mon Sep 17 00:00:00 2001
From: Jared Hancock <jared@osticket.com>
Date: Mon, 3 Feb 2014 13:44:36 -0600
Subject: [PATCH] i18n: Much better compat impl of mb_* funcs
The original compatibility functions for the mb_strlen, mb_strpos, and
mb_substr functions was not implemented correctly. This patch uses the PCRE
library to do Unicode processing
---
bootstrap.php | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/bootstrap.php b/bootstrap.php
index 5aaad77ba..ec2299b6c 100644
--- a/bootstrap.php
+++ b/bootstrap.php
@@ -196,9 +196,18 @@ class Bootstrap {
return iconv($from, $to, $str); }
}
else {
- function mb_strpos($a, $b) { return strpos($a, $b); }
- function mb_strlen($str) { return strlen($str); }
- function mb_substr($a, $b, $c=null) { return substr($a, $b, $c); }
+ function mb_strpos($a, $b) {
+ $c = preg_replace('/^(\X*)'.preg_quote($b).'.*$/us', '$1', $a);
+ return ($c===$a) ? false : mb_strlen($c);
+ }
+ function mb_strlen($str) {
+ $a = array();
+ return preg_match_all('/\X/u', $str, $a);
+ }
+ function mb_substr($a, $b, $c=null) {
+ return preg_replace(
+ "/^\X{{$b}}(\X".($c ? "{{$c}}" : "*").").*/us",'$1',$a);
+ }
function mb_convert_encoding($str, $to, $from='utf-8') {
if (strcasecmp($to, $from) == 0)
return $str;
--
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