Second pass at adding key files

site/stackreach/libs/plugins/shared.make_timestamp.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * Smarty shared plugin
+ *
+ * @package Smarty
+ * @subpackage PluginsShared
+ */
+
+/**
+ * Function: smarty_make_timestamp<br>
+ * Purpose:  used by other smarty functions to make a timestamp
+ *           from a string.
+ * @author   Monte Ohrt <monte at ohrt dot com>
+ * @param string $string
+ * @return string
+ */
+
+function smarty_make_timestamp($string)
+{
+    if(empty($string)) {
+        // use "now":
+        return time();
+    } elseif ($string instanceof DateTime) {
+        return $string->getTimestamp();
+    } elseif (strlen($string)==14 && ctype_digit($string)) {
+        // it is mysql timestamp format of YYYYMMDDHHMMSS?            
+        return mktime(substr($string, 8, 2),substr($string, 10, 2),substr($string, 12, 2),
+                       substr($string, 4, 2),substr($string, 6, 2),substr($string, 0, 4));
+    } elseif (is_numeric($string)) {
+        // it is a numeric string, we handle it as timestamp
+        return (int)$string;
+    } else {
+        // strtotime should handle it
+        $time = strtotime($string);
+        if ($time == -1 || $time === false) {
+            // strtotime() was not able to parse $string, use "now":
+            return time();
+        }
+        return $time;
+    }
+}
+
+?>