From 7d8be2006640e723bf77e0c1a74adf2e672e5246 Mon Sep 17 00:00:00 2001
From: andi <andi@splitbrain.org>
Date: Fri, 20 May 2005 22:34:48 +0200
Subject: [PATCH] fixed problem with utf8_substr and feed generation #340
darcs-hash:20050520203448-9977f-4381d98899e730a301c655b5aae59e83b5580a88.gz
---
feed.php | 2 +-
inc/utf8.php | 27 +++++++++++----------------
2 files changed, 12 insertions(+), 17 deletions(-)
diff --git a/feed.php b/feed.php
index 8234c81ab..3b58670d5 100644
--- a/feed.php
+++ b/feed.php
@@ -157,7 +157,7 @@ function cleanDesc($desc){
$desc = strip_tags($desc);
$desc = preg_replace('/[\n\r\t]/',' ',$desc);
$desc = preg_replace('/ /',' ',$desc);
- $desc = substr($desc,0,250);
+ $desc = utf8_substr($desc,0,250);
$desc = $desc.'...';
return $desc;
}
diff --git a/inc/utf8.php b/inc/utf8.php
index 3e3edd67f..0b90c8586 100644
--- a/inc/utf8.php
+++ b/inc/utf8.php
@@ -111,24 +111,19 @@ function utf8_strlen($string){
/**
* Unicode aware replacement for substr()
*
- * @todo Handle negative positions etc.
- * @author Harry Fuecks <hfuecks@gmail.com>
+ * @author lmak at NOSPAM dot iti dot gr
+ * @link http://www.php.net/manual/en/function.substr.php
* @see substr()
*/
-function utf8_substr($str, $start, $length=null){
- if ( is_null($length) ) {
- $length = '*';
- } else {
- $length = '{0,'.$length.'}';
- }
- $pattern = '/^.{'.$start.'}(.'.$length.')/us';
- preg_match($pattern, $str, $matches);
-
- if ( isset($matches[1]) ) {
- return $matches[1];
- }
- return false;
-}
+function utf8_substr($str,$start,$length=null){
+ preg_match_all("/./u", $str, $ar);
+
+ if($length != null) {
+ return join("",array_slice($ar[0],$start,$length));
+ } else {
+ return join("",array_slice($ar[0],$start));
+ }
+}
/**
* Unicode aware replacement for explode
--
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