9 * write out a file to disk
11 * @param string $filename
12 * @param string $contents
13 * @param boolean $create_dirs
16 function smarty_core_write_file($params, &$smarty)
18 $_dirname = dirname($params['filename']);
20 if ($params['create_dirs']) {
21 $_params = array('dir' => $_dirname);
22 require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.create_dir_structure.php');
23 smarty_core_create_dir_structure($_params, $smarty);
26 // write to tmp file, then rename it to avoid
27 // file locking race condition
28 $_tmp_file = $_dirname . DIRECTORY_SEPARATOR . uniqid('');
30 if (!($fd = @fopen($_tmp_file, 'w'))) {
31 $smarty->trigger_error("problem writing temporary file '$_tmp_file'");
35 fwrite($fd, $params['contents']);
37 if(file_exists($params['filename'])) {
38 @unlink($params['filename']);
40 @rename($_tmp_file, $params['filename']);
41 @chmod($params['filename'], $smarty->_file_perms);
46 /* vim: set expandtab: */