added enc_tab(), fixed metaform php template so it looks right

[wfpl.git] / encode.php

diff --git a/encode.php b/encode.php
index 3a11689..5b8eadf 100644 (file)
--- a/encode.php
+++ b/encode.php
@@ -20,7 +20,13 @@
 #  MA 02111-1307, USA.
 
 
-# This file contains basic encodings
+# This file contains basic encodings. These are used by the encoder. You can
+# specify any template tag to be encoded with this syntax: ~variable.encoding~
+#
+# this example: <p>~foo.html~</p>
+# will encode foo (using enc_html()) before displaying it, so that characters
+# such as < will display properly.
+
 
 # encode for putting within double-quotes in SQL
 function enc_sql($str) {
@@ -53,5 +59,20 @@ function enc_checked($str) {
                return '';
        }
 }
-       
 
+# add a tab at the begining of each non-empty line
+function enc_tab($str) {
+       $lines = explode("\n", $str);
+       $out = '';
+       foreach($lines as $line) {
+               if($line) {
+                       $out .= "\t$line";
+               }
+               $out .= "\n";
+       }
+
+       # remove the extra newline added above
+       return substr($out, 0, -1);
+}
+
+?>