[php-src] Issue #13211: php ZipArchive file path bug

Issue: https://github.com/php/php-src/issues/13211 Author: annopnod ### Description The following code: <?php $zip = new ZipArchive(); $zip->open("c:/test.zip"); $zip->statName("a/b/c.txt"); $zip->statName("a//b//c.txt"); $zip->statName("/a/b/c.txt"); $zip->statName("//a/b/c.txt"); $zip->statName("\a\b\c.txt"); ?> **should output** array => name,crc,size **but output** $zip->statName("a/b/c.txt"); output false $zip->statName("a//b//c.txt"); output false $zip->statName("/a/b/c.txt"); output false $zip->statName("//a/b/c.txt"); output false $zip->statName("\a\b\c.txt"); output array => name,crc,size **solve immediate problems add function** public function Normalize($path, $remove_slashes_frist = false) { $output = array(); $explode = explode("/", str_replace(array('/', '\\'), "/", ($path))); foreach ($explode as $value) { if ($value == "..") { array_pop($output); } else if ($value !== ".") { $output[] = ($value); } } $strout = implode("/", $output); while (strpos($strout, "//") !== false) { $strout = str_replace("//", "/", $strout); } if ($remove_slashes_frist) { $strout = ltrim($strout, "/"); } return $strout; } ### PHP Version php 7-8 ### Operating System window 11