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Редакция 2 | Редакция 58 | ||
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1 | <?php
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1 | <?php
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2 | /**
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2 | /**
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3 | * Smarty plugin
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3 | * Smarty plugin
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4 | * @package Smarty
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4 | * @package Smarty
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5 | * @subpackage plugins
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5 | * @subpackage plugins
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6 | */
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6 | */
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7 | 7 | ||
8 | /**
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8 | /**
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9 | * write out a file to disk
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9 | * write out a file to disk
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10 | *
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10 | *
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11 | * @param string $filename
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11 | * @param string $filename
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12 | * @param string $contents
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12 | * @param string $contents
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13 | * @param boolean $create_dirs
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13 | * @param boolean $create_dirs
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14 | * @return boolean
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14 | * @return boolean
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15 | */
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15 | */
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16 | function smarty_core_write_file($params, &$smarty) |
16 | function smarty_core_write_file($params, &$smarty) |
17 | {
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17 | {
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18 | $_dirname = dirname($params['filename']); |
18 | $_dirname = dirname($params['filename']); |
19 | 19 | ||
20 | if ($params['create_dirs']) { |
20 | if ($params['create_dirs']) { |
21 | $_params = array('dir' => $_dirname); |
21 | $_params = array('dir' => $_dirname); |
22 | require_once(SMARTY_CORE_DIR . 'core.create_dir_structure.php'); |
22 | require_once(SMARTY_CORE_DIR . 'core.create_dir_structure.php'); |
23 | smarty_core_create_dir_structure($_params, $smarty); |
23 | smarty_core_create_dir_structure($_params, $smarty); |
24 | }
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24 | }
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25 | 25 | ||
26 | // write to tmp file, then rename it to avoid file locking race condition
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26 | // write to tmp file, then rename it to avoid file locking race condition
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27 | $_tmp_file = tempnam($_dirname, 'wrt'); |
27 | $_tmp_file = tempnam($_dirname, 'wrt'); |
28 | 28 | ||
29 | if (!($fd = @fopen($_tmp_file, 'wb'))) { |
29 | if (!($fd = @fopen($_tmp_file, 'wb'))) { |
30 | $_tmp_file = $_dirname . DIRECTORY_SEPARATOR . uniqid('wrt'); |
30 | $_tmp_file = $_dirname . DIRECTORY_SEPARATOR . uniqid('wrt'); |
31 | if (!($fd = @fopen($_tmp_file, 'wb'))) { |
31 | if (!($fd = @fopen($_tmp_file, 'wb'))) { |
32 | $smarty->trigger_error("problem writing temporary file '$_tmp_file'"); |
32 | $smarty->trigger_error("problem writing temporary file '$_tmp_file'"); |
33 | return false; |
33 | return false; |
34 | }
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34 | }
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35 | }
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35 | }
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36 | 36 | ||
37 | fwrite($fd, $params['contents']); |
37 | fwrite($fd, $params['contents']); |
38 | fclose($fd); |
38 | fclose($fd); |
39 | 39 | ||
40 | if (DIRECTORY_SEPARATOR == '\\' || !@rename($_tmp_file, $params['filename'])) { |
40 | if (DIRECTORY_SEPARATOR == '\\' || !@rename($_tmp_file, $params['filename'])) { |
41 | // On platforms and filesystems that cannot overwrite with rename()
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41 | // On platforms and filesystems that cannot overwrite with rename()
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42 | // delete the file before renaming it -- because windows always suffers
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42 | // delete the file before renaming it -- because windows always suffers
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43 | // this, it is short-circuited to avoid the initial rename() attempt
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43 | // this, it is short-circuited to avoid the initial rename() attempt
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44 | @unlink($params['filename']); |
44 | @unlink($params['filename']); |
45 | @rename($_tmp_file, $params['filename']); |
45 | @rename($_tmp_file, $params['filename']); |
46 | }
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46 | }
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47 | @chmod($params['filename'], $smarty->_file_perms); |
47 | @chmod($params['filename'], $smarty->_file_perms); |
48 | 48 | ||
49 | return true; |
49 | return true; |
50 | }
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50 | }
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51 | 51 | ||
52 | /* vim: set expandtab: */
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52 | /* vim: set expandtab: */
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53 | 53 | ||
54 | ?>
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54 | ?>
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