1--TEST-- 2Test disk_free_space and its alias diskfreespace() functions : Usage Variations 3--FILE-- 4<?php 5$file_path = __DIR__; 6 7echo "*** Testing with a directory ***\n"; 8var_dump( disk_free_space($file_path."/..") ); 9var_dump( diskfreespace($file_path."/..") ); 10 11echo "\nTesting for the return type ***\n"; 12$return_value = disk_free_space($file_path); 13var_dump( is_float($return_value) ); 14 15echo "\n*** Testing with different directory combinations ***"; 16$dir = "/disk_free_space_variation"; 17mkdir($file_path.$dir); 18 19$dirs_arr = array( 20 ".", 21 $file_path.$dir, 22 $file_path."/.".$dir, 23 24 /* Testing a file trailing slash */ 25 $file_path."".$dir."/", 26 $file_path."/.".$dir."/", 27 28 /* Testing file with double trailing slashes */ 29 $file_path.$dir."//", 30 $file_path."/.".$dir."//", 31 $file_path."/./".$dir."//", 32 33 /* Testing Binary safe */ 34 $file_path.$dir.chr(0), 35 $file_path."/.".$dir.chr(0), 36 ".".chr(0).$file_path.$dir, 37 ".".chr(0).$file_path.$dir.chr(0) 38); 39 40$count = 1; 41/* loop through to test each element the above array */ 42foreach($dirs_arr as $dir1) { 43 echo "\n-- Iteration $count --\n"; 44 try { 45 var_dump( disk_free_space( $dir1 ) ); 46 } catch (Error $e) { 47 echo $e->getMessage(), "\n"; 48 } 49 try { 50 var_dump( diskfreespace( $dir1 ) ); 51 } catch (Error $e) { 52 echo $e->getMessage(), "\n"; 53 } 54 $count++; 55} 56 57echo"\n--- Done ---"; 58?> 59--CLEAN-- 60<?php 61$file_path = __DIR__; 62rmdir($file_path."/disk_free_space_variation"); 63?> 64--EXPECTF-- 65*** Testing with a directory *** 66float(%f) 67float(%f) 68 69Testing for the return type *** 70bool(true) 71 72*** Testing with different directory combinations *** 73-- Iteration 1 -- 74float(%f) 75float(%f) 76 77-- Iteration 2 -- 78float(%f) 79float(%f) 80 81-- Iteration 3 -- 82float(%f) 83float(%f) 84 85-- Iteration 4 -- 86float(%f) 87float(%f) 88 89-- Iteration 5 -- 90float(%f) 91float(%f) 92 93-- Iteration 6 -- 94float(%f) 95float(%f) 96 97-- Iteration 7 -- 98float(%f) 99float(%f) 100 101-- Iteration 8 -- 102float(%f) 103float(%f) 104 105-- Iteration 9 -- 106disk_free_space(): Argument #1 ($directory) must not contain any null bytes 107diskfreespace(): Argument #1 ($directory) must not contain any null bytes 108 109-- Iteration 10 -- 110disk_free_space(): Argument #1 ($directory) must not contain any null bytes 111diskfreespace(): Argument #1 ($directory) must not contain any null bytes 112 113-- Iteration 11 -- 114disk_free_space(): Argument #1 ($directory) must not contain any null bytes 115diskfreespace(): Argument #1 ($directory) must not contain any null bytes 116 117-- Iteration 12 -- 118disk_free_space(): Argument #1 ($directory) must not contain any null bytes 119diskfreespace(): Argument #1 ($directory) must not contain any null bytes 120 121--- Done --- 122