1--TEST-- 2Test is_readable() function: usage variations - invalid file names 3--SKIPIF-- 4<?php 5if (substr(PHP_OS, 0, 3) != 'WIN') { 6 7 // Skip if being run by root (files are always readable, writeable and executable) 8 $filename = dirname(__FILE__)."/is_readable_root_check.tmp"; 9 $fp = fopen($filename, 'w'); 10 fclose($fp); 11 if(fileowner($filename) == 0) { 12 unlink ($filename); 13 die('skip cannot be run as root'); 14 } 15 unlink($filename); 16} 17?> 18--FILE-- 19<?php 20/* Prototype: bool is_readable ( string $filename ); 21 Description: Tells whether the filename is readable. 22*/ 23 24/* test is_executable() with invalid arguments */ 25 26echo "*** Testing is_readable(): usage variations ***\n"; 27 28$file_handle = fopen(__FILE__, "r"); 29unset($file_handle); 30 31echo "\n*** Testing is_readable() on miscelleneous filenames ***\n"; 32$misc_files = array( 33 0, 34 1234, 35 -2.34555, 36 TRUE, 37 FALSE, 38 NULL, 39 " ", 40 @array(), 41 @$file_handle 42); 43/* loop through to test each element in the above array 44 is a readable file */ 45foreach( $misc_files as $misc_file ) { 46 var_dump( is_readable($misc_file) ); 47 clearstatcache(); 48} 49 50echo "Done\n"; 51?> 52--EXPECTF-- 53*** Testing is_readable(): usage variations *** 54 55*** Testing is_readable() on miscelleneous filenames *** 56bool(false) 57bool(false) 58bool(false) 59bool(false) 60bool(false) 61bool(false) 62bool(false) 63 64Warning: is_readable() expects parameter 1 to be a valid path, array given in %s on line %d 65NULL 66bool(false) 67Done 68