1--TEST-- 2Test unlink() function : usage variations - unlinking file in a directory 3--SKIPIF-- 4<?php 5if (substr(PHP_OS, 0, 3) != 'WIN') { 6 die('skip only on Windows'); 7} 8?> 9--FILE-- 10<?php 11/* Prototype : bool unlink ( string $filename [, resource $context] ); 12 Description : Deletes filename 13*/ 14 15/* Delete file having default permission but its dir having readonly permission 16 Delete file having readonly permission but dir having default permission 17*/ 18 19 20$file_path = dirname(__FILE__).DIRECTORY_SEPARATOR."私はガラスを食べられます"; 21@mkdir($file_path); 22 23// temp dir name used here 24$dirname = "$file_path/unlink_variation1"; 25// temp filename used here 26$filename = "$dirname/unlink_variation1-win32.tmp"; 27 28echo "\n*** Testing unlink() on file inside a directory ***\n"; 29// create temp dir 30mkdir($dirname); 31// create temp file inside $dirname 32$fp = fopen($filename, "w"); 33fclose($fp); 34 35echo "-- Unlink file having default permission and its dir having read only permission --\n"; 36// remove write permission of $dirname 37// on windows dir permission is not respected 38var_dump( chmod($dirname, 0444) ); 39// now try deleting $filename 40var_dump( unlink($filename) ); // expected: true 41var_dump( file_exists($filename) ); // confirm file is deleted 42 43// remove the dir 44var_dump( chmod($dirname, 0777) ); 45rmdir($dirname); 46 47echo "\n-- Unlinking file without write permission, its dir having default permission --\n"; 48// create the temp dir 49mkdir($dirname); 50 51// create the temp file 52$fp = fopen($filename, "w"); 53fclose($fp); 54 55// remove write permission from file 56var_dump( chmod($filename, 0444) ); 57 58// now try deleting temp file inside $dirname 59var_dump( unlink($filename) ); // expected: false 60 61// reassign write permission to temp file 62chmod($filename, 0777); 63// delete temp file 64var_dump( unlink($filename) ); 65var_dump( file_exists($filename) ); // confirm file is deleted 66// remove temp dir 67rmdir($dirname); 68rmdir($file_path); 69 70echo "Done\n"; 71?> 72--EXPECTF-- 73*** Testing unlink() on file inside a directory *** 74-- Unlink file having default permission and its dir having read only permission -- 75bool(true) 76bool(true) 77bool(false) 78bool(true) 79 80-- Unlinking file without write permission, its dir having default permission -- 81bool(true) 82 83Warning: unlink(%s/unlink_variation1/unlink_variation1-win32.tmp): Permission denied in %s on line %d 84bool(false) 85bool(true) 86bool(false) 87Done 88
