moodle/lib/smarty/core/core.write_file.php
2004-05-31 05:29:11 +00:00

51 lines
1.2 KiB
PHP

<?php
/**
* Smarty plugin
* @package Smarty
* @subpackage plugins
*/
/**
* write out a file to disk
*
* @param string $filename
* @param string $contents
* @param boolean $create_dirs
* @return boolean
*/
function smarty_core_write_file($params, &$smarty)
{
$_dirname = dirname($params['filename']);
if ($params['create_dirs']) {
$_params = array('dir' => $_dirname);
require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.create_dir_structure.php');
smarty_core_create_dir_structure($_params, $smarty);
}
// write to tmp file, then rename it to avoid
// file locking race condition
$_tmp_file = $_dirname . DIRECTORY_SEPARATOR . uniqid('');
if (!($fd = @fopen($_tmp_file, 'w'))) {
$smarty->trigger_error("problem writing temporary file '$_tmp_file'");
return false;
}
fwrite($fd, $params['contents']);
if (isset($params['timestamp'])) {
touch($_tmp_file, $params['timestamp']);
}
fclose($fd);
if(file_exists($params['filename'])) {
@unlink($params['filename']);
}
@rename($_tmp_file, $params['filename']);
@chmod($params['filename'], $smarty->_file_perms);
return true;
}
/* vim: set expandtab: */
?>