X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=encode.php;h=3e9ee0c6f5b2ec24439573fca65e01ec132b2c07;hb=b714d3f571fc78989e69c7272c5812eb97479cf0;hp=7afae37c5508e304900ae035d7f241ddcf12ead2;hpb=c3cfa91f3d95f153f6c93dcff421532b9a76b1a7;p=wfpl.git

diff --git a/encode.php b/encode.php
index 7afae37..3e9ee0c 100644
--- a/encode.php
+++ b/encode.php
@@ -138,19 +138,12 @@ function enc_yesno($str) {
 }
 
 
-# add a tab at the begining of each non-empty line
+# add a tab at the begining of each line
 function enc_tab($str) {
-	$lines = explode("\n", $str);
-	$out = '';
-	foreach($lines as $line) {
-		if($line) {
-			$out .= "\t$line";
-		}
-		$out .= "\n";
+	if('' . $str === '') {
+		return '';
 	}
-
-	# remove the extra newline added above
-	return substr($out, 0, -1);
+	return "\t" . implode("\n\t", explode("\n", $str));
 }
 
 function enc_upper($str) {
@@ -439,3 +432,21 @@ function enc_s($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;
+}