From ef29077044df8735be7fdaeed7c32181eee0ed29 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A1bor=20Hojtsy?= <gabor@hojtsy.hu>
Date: Sun, 1 Jul 2007 21:52:43 +0000
Subject: #108456 by RobRoy: optional custom teaser lengths and much needed
 documentation on how node_teaser works

---
 modules/node/node.module | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'modules/node/node.module')

diff --git a/modules/node/node.module b/modules/node/node.module
index 5c329ed2d..c1eadf292 100644
--- a/modules/node/node.module
+++ b/modules/node/node.module
@@ -204,10 +204,23 @@ function node_teaser_js(&$form, &$form_state) {
 
 /**
  * Automatically generate a teaser for a node body in a given format.
+ *
+ * @param $body
+ *   The content for which a teaser will be generated.
+ * @param $format
+ *   The format of the content. If the content contains PHP code, we do not
+ *   split it up to prevent parse errors.
+ * @param $size
+ *   The desired character length of the teaser. If omitted, the default 
+ *   value will be used.
+ * @return
+ *   The generated teaser.
  */
-function node_teaser($body, $format = NULL) {
+function node_teaser($body, $format = NULL, $size = NULL) {
 
-  $size = variable_get('teaser_length', 600);
+  if (!isset($size)) {
+    $size = variable_get('teaser_length', 600);
+  }
 
   // Find where the delimiter is in the body
   $delimiter = strpos($body, '<!--break-->');
-- 
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