function for retrieving a config variable

darcs-hash:20080613175344-84dde-253b5b55ea8ae85b807cba2e23ea885c6bbb0b8f.gz

actions/doc.php

@@ -34,7 +34,7 @@ class DocAction extends Action {
 		$c = file_get_contents($filename);
 		$c = preg_replace('/%%action.(\w+)%%/e', "common_local_url('\\1')", $c);
 		$c = preg_replace('/%%doc.(\w+)%%/e', "common_local_url('doc', array('title'=>'\\1'))", $c);
-		$c = preg_replace('/%%(\w+).(\w+)%%/e', '$config[\'\\1\'][\'\\2\']', $c);
+		$c = preg_replace('/%%(\w+).(\w+)%%/e', 'common_config(\'\\1\', \'\\2\')', $c);
 		$output = Markdown($c);
 		common_show_header(_t(ucfirst($title)));
 		common_raw($output);

lib/util.php

@@ -833,3 +833,8 @@ function common_negotiate_type($cprefs, $sprefs) {
 
 	return $besttype;
 }
+
+function common_config($main, $sub) {
+	global $config;
+	return $config[$main][$sub];
+}