shorten urls for posts > 140 chars only, from anywhere. Only show long urls in title attributes for links we shortened ourselves.

darcs-hash:20081128210114-099f7-4e4cde0a983c2ac6d41efb59b46cb7dbf45dc7a6.gz

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/util.php b/lib/util.php
index b14d121e6..c3d11b074 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -837,10 +837,10 @@ function common_longurl2($uri)  {
 
 function common_shorten_links($text) {
     if (mb_strlen($text) <= 140) return $text;
+    static $cache = array();
+    if (isset($cache[$text])) return $cache[$text];
     // \s = not a horizontal whitespace character (since PHP 5.2.4)
-	// RYM this should prevent * preceded URLs from being processed but it its a char
-//	$r = preg_replace('@[^*](https?://[^)\]>\s]+)@e', "common_shorten_link('\\1')", $r);
-	return preg_replace('@https?://[^)\]>\s]+@e', "common_shorten_link('\\0')", $text);
+	return $cache[$text] = preg_replace('@https?://[^)\]>\s]+@e', "common_shorten_link('\\0')", $text);
 }
 
 function common_shorten_link($long_url) {