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File: libs/smarty/sysplugins/smarty_internal_write_file.php

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File: libs/smarty/sysplugins/smarty_internal_write_file.php
Role: Auxiliary script
Content type: text/plain
Description: smarty lib
Class: MVC 4 Dummies
Web development PHP MVC framework
Author: By
Last change:
Date: 7 years ago
Size: 2,704 bytes
 

Contents

Class file image Download
<?php
/**
 * Smarty write file plugin
 *
 * @package Smarty
 * @subpackage PluginsInternal
 * @author Monte Ohrt
 */

/**
 * Smarty Internal Write File Class
 *
 * @package Smarty
 * @subpackage PluginsInternal
 */
class Smarty_Internal_Write_File
{
   
/**
     * Writes file in a safe way to disk
     *
     * @param string $_filepath complete filepath
     * @param string $_contents file content
     * @param Smarty $smarty smarty instance
     *
     * @throws SmartyException
     * @return boolean true
     */
   
public static function writeFile($_filepath, $_contents, Smarty $smarty)
    {
       
$_error_reporting = error_reporting();
       
error_reporting($_error_reporting & ~E_NOTICE & ~E_WARNING);
        if (
$smarty->_file_perms !== null) {
           
$old_umask = umask(0);
        }

       
$_dirpath = dirname($_filepath);
       
// if subdirs, create dir structure
       
if ($_dirpath !== '.' && !file_exists($_dirpath)) {
           
mkdir($_dirpath, $smarty->_dir_perms === null ? 0777 : $smarty->_dir_perms, true);
        }

       
// write to tmp file, then move to overt file lock race condition
       
$_tmp_file = $_dirpath . DS . str_replace(array('.', ','), '_', uniqid('wrt', true));
        if (!
file_put_contents($_tmp_file, $_contents)) {
           
error_reporting($_error_reporting);
            throw new
SmartyException("unable to write file {$_tmp_file}");
       }

       
/*
         * Windows' rename() fails if the destination exists,
         * Linux' rename() properly handles the overwrite.
         * Simply unlink()ing a file might cause other processes
         * currently reading that file to fail, but linux' rename()
         * seems to be smart enough to handle that for us.
         */
       
if (Smarty::$_IS_WINDOWS) {
           
// remove original file
           
@unlink($_filepath);
           
// rename tmp file
           
$success = @rename($_tmp_file, $_filepath);
        } else {
           
// rename tmp file
           
$success = @rename($_tmp_file, $_filepath);
            if (!
$success) {
               
// remove original file
               
@unlink($_filepath);
               
// rename tmp file
               
$success = @rename($_tmp_file, $_filepath);
            }
        }

        if (!
$success) {
           
error_reporting($_error_reporting);
            throw new
SmartyException("unable to write file {$_filepath}");
        }

        if (
$smarty->_file_perms !== null) {
           
// set file permissions
           
chmod($_filepath, $smarty->_file_perms);
           
umask($old_umask);
        }
       
error_reporting($_error_reporting);

        return
true;
    }
}

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