make sure layout yields to template

Author: cgunther

functions.php

@@ -5,11 +5,11 @@ function has_content($key) {
   return isset($content[$key]);
 }
 
-function yield($key, $echo = true) {
+function yield($key = 'default', $echo = true) {
   global $content;
-  
+
   $out = has_content($key) ? $content[$key] : '';
-  
+
   if ($echo) {
     echo $out;
   } else {
@@ -20,7 +20,7 @@ function yield($key, $echo = true) {
 function javascripts() {
   global $content;
   if (!isset($content['javascripts'])) $content['javascripts'] = '';
-  
+
   $args = func_get_args();
   foreach($args as $script) {
     if (substr($script, 0, 7) != 'http://') {
@@ -33,7 +33,7 @@ function javascripts() {
 function stylesheets() {
   global $content;
   if (!isset($content['stylesheets'])) $content['stylesheets'] = '';
-  
+
   $args = func_get_args();
   foreach($args as $style) {
     if (substr($style, 0, 7) != 'http://') {

layouts/application.php

@@ -22,7 +22,7 @@
 
     </header>
     <div role="main">
-
+      <?php yield(); ?>
     </div>
     <footer>