Second pass at adding key files

site/stackreach/libs/sysplugins/smarty_internal_write_file.php

@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * Smarty write file plugin
+ * 
+ * @package Smarty
+ * @subpackage PluginsInternal
+ * @author Monte Ohrt 
+ */
+
+/**
+ * Smarty Internal Write File Class
+ */
+class Smarty_Internal_Write_File {
+    /**
+     * Writes file in a save way to disk
+     * 
+     * @param string $_filepath complete filepath
+     * @param string $_contents file content
+     * @return boolean true
+     */
+    public static function writeFile($_filepath, $_contents, $smarty)
+    {
+        $old_umask = umask(0);
+        $_dirpath = dirname($_filepath); 
+        // if subdirs, create dir structure
+        if ($_dirpath !== '.' && !file_exists($_dirpath)) {
+            mkdir($_dirpath, $smarty->_dir_perms, true);
+        } 
+        // write to tmp file, then move to overt file lock race condition
+        $_tmp_file = tempnam($_dirpath, 'wrt');
+
+	    if (!($fd = @fopen($_tmp_file, 'wb'))) {
+        	$_tmp_file = $_dirpath . DS . uniqid('wrt');
+        	if (!($fd = @fopen($_tmp_file, 'wb'))) {
+            throw new SmartyException("unable to write file {$_tmp_file}");
+            return false;
+        	}
+   		 }
+
+    	fwrite($fd, $_contents);
+    	fclose($fd);
+
+        // remove original file
+        if (file_exists($_filepath))
+            @unlink($_filepath); 
+        // rename tmp file
+        rename($_tmp_file, $_filepath); 
+        // set file permissions
+        chmod($_filepath, $smarty->_file_perms);
+        umask($old_umask);
+        return true;
+    } 
+} 
+
+?>