| 1 | <?php |
| 2 | /** |
| 3 | * Smarty plugin |
| 4 | * @package Smarty |
| 5 | * @subpackage plugins |
| 6 | */ |
| 7 | |
| 8 | /** |
| 9 | * write out a file to disk |
| 10 | * |
| 11 | * @param string $filename |
| 12 | * @param string $contents |
| 13 | * @param boolean $create_dirs |
| 14 | * @return boolean |
| 15 | */ |
| 16 | function smarty_core_write_file($params, &$smarty) |
| 17 | { |
| 18 | $_dirname = dirname($params['filename']); |
| 19 | |
| 20 | if ($params['create_dirs']) { |
| 21 | $_params = array('dir' => $_dirname); |
| 22 | require_once(SMARTY_CORE_DIR . 'core.create_dir_structure.php'); |
| 23 | smarty_core_create_dir_structure($_params, $smarty); |
| 24 | } |
| 25 | |
| 26 | // write to tmp file, then rename it to avoid file locking race condition |
| 27 | $_tmp_file = tempnam($_dirname, 'wrt'); |
| 28 | |
| 29 | if (!($fd = @fopen($_tmp_file, 'wb'))) { |
| 30 | $_tmp_file = $_dirname . DIRECTORY_SEPARATOR . uniqid('wrt'); |
| 31 | if (!($fd = @fopen($_tmp_file, 'wb'))) { |
| 32 | $smarty->trigger_error("problem writing temporary file '$_tmp_file'"); |
| 33 | return false; |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | fwrite($fd, $params['contents']); |
| 38 | fclose($fd); |
| 39 | |
| 40 | if (DIRECTORY_SEPARATOR == '\\' || !@rename($_tmp_file, $params['filename'])) { |
| 41 | // On platforms and filesystems that cannot overwrite with rename() |
| 42 | // delete the file before renaming it -- because windows always suffers |
| 43 | // this, it is short-circuited to avoid the initial rename() attempt |
| 44 | @unlink($params['filename']); |
| 45 | @rename($_tmp_file, $params['filename']); |
| 46 | } |
| 47 | @chmod($params['filename'], $smarty->_file_perms); |
| 48 | |
| 49 | return true; |
| 50 | } |
| 51 | |
| 52 | /* vim: set expandtab: */ |
| 53 | |
| 54 | ?> |