PageRenderTime 22ms CodeModel.GetById 17ms app.highlight 1ms RepoModel.GetById 2ms app.codeStats 0ms

/class/smarty/internals/core.write_file.php

https://gitlab.com/VoyaTrax/vtCMS
PHP | 54 lines | 34 code | 6 blank | 14 comment | 5 complexity | 23f99e19895028592cff61325b6ed0b1 MD5 | raw file
 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 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?>