1--TEST-- 2Testing unlink() function : error conditions 3--SKIPIF-- 4<?php 5if (substr(PHP_OS, 0, 3) != 'WIN') { 6 die('skip.. only on Windows'); 7} 8?> 9--FILE-- 10<?php 11 12$file_path = __DIR__.DIRECTORY_SEPARATOR."unlinkErr私はガラスを食べられます"; 13 14@mkdir($file_path); 15 16$filename = "$file_path/unlink_error.tmp"; // temp file name used here 17$fp = fopen($filename, "w"); // create file 18fclose($fp); 19 20// creating a context 21$context = stream_context_create(); 22 23echo "*** Testing unlink() : error conditions ***\n"; 24 25echo "\n-- Testing unlink() on invalid arguments --\n"; 26// invalid arguments 27var_dump( unlink('') ); // $filename as empty string 28var_dump( file_exists('') ); // confirm file doesn't exist 29 30var_dump( unlink(false) ); // $filename as boolean false 31var_dump( file_exists(false) ); // confirm file doesn't exist 32 33 34echo "\n-- Testing unlink() on non-existent file --\n"; 35var_dump( unlink(__DIR__."/non_existent_file.tmp") ); 36 37echo "\n-- Testing unlink() on directory --\n"; 38// temp directory used here 39$dirname = "$file_path/unlink_error"; 40// create temp dir 41mkdir($dirname); 42// unlinking directory 43var_dump( unlink($dirname) ); // expected: false as unlink() does not work on dir 44 45echo "Done\n"; 46?> 47--CLEAN-- 48<?php 49unlink(__DIR__."/unlinkErr私はガラスを食べられます/unlink_error.tmp"); 50rmdir(__DIR__."/unlinkErr私はガラスを食べられます/unlink_error"); 51rmdir(__DIR__."/unlinkErr私はガラスを食べられます"); 52?> 53--EXPECTF-- 54*** Testing unlink() : error conditions *** 55 56-- Testing unlink() on invalid arguments -- 57 58Warning: unlink(): %s in %s on line %d 59bool(false) 60bool(false) 61 62Warning: unlink(): %s in %s on line %d 63bool(false) 64bool(false) 65 66-- Testing unlink() on non-existent file -- 67 68Warning: unlink(%s/non_existent_file.tmp): No such file or directory in %s on line %d 69bool(false) 70 71-- Testing unlink() on directory -- 72 73Warning: unlink(%s/unlink_error): Is a directory in %s on line %d 74bool(false) 75Done 76