From: Jason Woofenden <jason@jasonwoof.com>
Date: Wed, 7 Sep 2011 17:19:14 +0000 (-0400)
Subject: add: enc_linkify() (add <a> tags to urls in text)
X-Git-Url: https://jasonwoof.com/gitweb/?p=wfpl.git;a=commitdiff_plain;h=fa58a263a1ae73c2759648d033000a9a27f04cde

add: enc_linkify() (add <a> tags to urls in text)
---

diff --git a/encode.php b/encode.php
index 4ef72ae..3e9ee0c 100644
--- a/encode.php
+++ b/encode.php
@@ -432,3 +432,21 @@ function enc_s($str) {
 
 	return 's';
 }
+
+# turn http/ftp (s) urls into html links (and encode everything for html)
+# does not encode without protocol (eg "www.foo.com")
+# does not linkify email addresses
+function enc_linkify($str) {
+	$ret = '';
+	$even = true;
+	$pieces = preg_split("/((?:ht|f)tps?:\/\/[^ \,\"\n\r\t<]+)/is", $str, null, PREG_SPLIT_DELIM_CAPTURE);
+	foreach($pieces as $piece) {
+		if($even) {
+			$ret .= enc_html($piece);
+		} else {
+			$ret .= '<a href="' . enc_attr($piece) . '">' . enc_html($piece) . '</a>';
+		}
+		$even = !$even;
+	}
+	return $ret;
+}