54 lines
1.5 KiB
PHP
54 lines
1.5 KiB
PHP
<?php
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/**
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* Smarty plugin
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* @package Smarty
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* @subpackage plugins
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*/
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/**
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* write out a file to disk
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*
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* @param string $filename
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* @param string $contents
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* @param boolean $create_dirs
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* @return boolean
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*/
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function smarty_core_write_file($params, &$smarty)
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{
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$_dirname = dirname($params['filename']);
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if ($params['create_dirs']) {
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$_params = array('dir' => $_dirname);
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require_once(SMARTY_CORE_DIR . 'core.create_dir_structure.php');
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smarty_core_create_dir_structure($_params, $smarty);
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}
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// write to tmp file, then rename it to avoid file locking race condition
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$_tmp_file = tempnam($_dirname, 'wrt');
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if (!($fd = @fopen($_tmp_file, 'wb'))) {
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$_tmp_file = $_dirname . DIRECTORY_SEPARATOR . uniqid('wrt');
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if (!($fd = @fopen($_tmp_file, 'wb'))) {
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$smarty->trigger_error("problem writing temporary file '$_tmp_file'");
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return false;
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}
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}
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fwrite($fd, $params['contents']);
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fclose($fd);
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if (DIRECTORY_SEPARATOR == '\\' || !@rename($_tmp_file, $params['filename'])) {
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// On platforms and filesystems that cannot overwrite with rename()
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// delete the file before renaming it -- because windows always suffers
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// this, it is short-circuited to avoid the initial rename() attempt
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@unlink($params['filename']);
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@rename($_tmp_file, $params['filename']);
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}
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@chmod($params['filename'], $smarty->_file_perms);
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return true;
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}
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/* vim: set expandtab: */
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?>
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