source: branches/comu/data/module/Smarty/libs/internals/core.write_file.php @ 2

Revision 2, 1.3 KB checked in by root, 17 years ago (diff)

new import

Line 
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 $create_dirs
14 * @return boolean
15 */
16function smarty_core_write_file($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
27    // file locking race condition
28    $_tmp_file = tempnam($_dirname, 'wrt');
29
30    if (!($fd = @fopen($_tmp_file, 'wb'))) {
31        $_tmp_file = $_dirname . DIRECTORY_SEPARATOR . uniqid('wrt');
32        if (!($fd = @fopen($_tmp_file, 'wb'))) {
33            $smarty->trigger_error("problem writing temporary file '$_tmp_file'");
34            return false;
35        }
36    }
37
38    fwrite($fd, $params['contents']);
39    fclose($fd);
40
41    // Delete the file if it allready exists (this is needed on Win,
42    // because it cannot overwrite files with rename()
43    if (file_exists($params['filename'])) {
44        @unlink($params['filename']);
45    }
46    @rename($_tmp_file, $params['filename']);
47    @chmod($params['filename'], $smarty->_file_perms);
48
49    return true;
50}
51
52/* vim: set expandtab: */
53
54?>
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