smarty/plugins/function.counter.php
changeset 0 c63de9eb7045
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smarty/plugins/function.counter.php	Sun Mar 23 14:59:33 2008 -0400
@@ -0,0 +1,80 @@
+<?php
+/**
+ * Smarty plugin
+ * @package Smarty
+ * @subpackage plugins
+ */
+
+
+/**
+ * Smarty {counter} function plugin
+ *
+ * Type:     function<br>
+ * Name:     counter<br>
+ * Purpose:  print out a counter value
+ * @author Monte Ohrt <monte at ohrt dot com>
+ * @link http://smarty.php.net/manual/en/language.function.counter.php {counter}
+ *       (Smarty online manual)
+ * @param array parameters
+ * @param Smarty
+ * @return string|null
+ */
+function smarty_function_counter($params, &$smarty)
+{
+    static $counters = array();
+
+    $name = (isset($params['name'])) ? $params['name'] : 'default';
+    if (!isset($counters[$name])) {
+        $counters[$name] = array(
+            'start'=>1,
+            'skip'=>1,
+            'direction'=>'up',
+            'count'=>1
+            );
+    }
+    $counter =& $counters[$name];
+
+    if (isset($params['start'])) {
+        $counter['start'] = $counter['count'] = (int)$params['start'];
+    }
+
+    if (!empty($params['assign'])) {
+        $counter['assign'] = $params['assign'];
+    }
+
+    if (isset($counter['assign'])) {
+        $smarty->assign($counter['assign'], $counter['count']);
+    }
+    
+    if (isset($params['print'])) {
+        $print = (bool)$params['print'];
+    } else {
+        $print = empty($counter['assign']);
+    }
+
+    if ($print) {
+        $retval = $counter['count'];
+    } else {
+        $retval = null;
+    }
+
+    if (isset($params['skip'])) {
+        $counter['skip'] = $params['skip'];
+    }
+    
+    if (isset($params['direction'])) {
+        $counter['direction'] = $params['direction'];
+    }
+
+    if ($counter['direction'] == "down")
+        $counter['count'] -= $counter['skip'];
+    else
+        $counter['count'] += $counter['skip'];
+    
+    return $retval;
+    
+}
+
+/* vim: set expandtab: */
+
+?>