1--TEST-- 2Test sizeof() function : usage variations - different values for 'mode' argument 3--FILE-- 4<?php 5/* Prototype : int sizeof($mixed var[, int $mode]) 6 * Description: Counts an elements in an array. If Standard PHP library is installed, 7 * it will return the properties of an object. 8 * Source code: ext/standard/basic_functions.c 9 * Alias to functions: count() 10 */ 11 12echo "*** Testing sizeof() : usage variations ***\n"; 13 14echo "--- Testing sizeof() with different values for 'mode' argument ---\n"; 15$array1 = array(1, 2, 3, 4, array(1.0, 2.0, array()), array() ); 16 17// get a resource variable 18$fp = fopen(__FILE__, "r"); 19 20//unset variable 21$unset_var = 10; 22unset($unset_var); 23 24//class declaration 25class test 26{ 27 public $member1; 28} 29 30$mode_values = array ( 31 /* 1 */ COUNT_NORMAL, 32 COUNT_RECURSIVE, 33 0, // same as COUNT_NORMAL 34 1, // same as COUNT_RECURSIVE 35 36 /* 5 */ TRUE, // same as COUNT_RECURSIVE 37 true, // same as COUNT_RECURSIVE 38 FALSE, // same as COUNT_NORMAL 39 false, // same as COUNT_NORMAL 40 NULL, // same as COUNT_NORMAL 41 /* 10 */ null, // same as COUNT_NORMAL 42 100, 43 10.5, 44 12.34e3, 45 12.34E-2, 46 /* 15 */ .5, 47 "", 48 '', 49 "string", 50 'string', 51 /* 20 */ @$unset_var, 52 new test(), 53 /* 22 */ $fp 54); 55 56// loop through the each element of $modes_array for 'mode' argument 57// and check the working of sizeof() 58$counter = 1; 59for($i = 0; $i < count($mode_values); $i++) 60{ 61 echo "-- Iteration $counter --\n"; 62 $mode = $mode_values[$i]; 63 64 var_dump( sizeof($array1, $mode) ); 65 66 $counter++; 67} 68 69fclose($fp); 70 71echo "Done"; 72?> 73--EXPECTF-- 74*** Testing sizeof() : usage variations *** 75--- Testing sizeof() with different values for 'mode' argument --- 76-- Iteration 1 -- 77int(6) 78-- Iteration 2 -- 79int(9) 80-- Iteration 3 -- 81int(6) 82-- Iteration 4 -- 83int(9) 84-- Iteration 5 -- 85int(9) 86-- Iteration 6 -- 87int(9) 88-- Iteration 7 -- 89int(6) 90-- Iteration 8 -- 91int(6) 92-- Iteration 9 -- 93int(6) 94-- Iteration 10 -- 95int(6) 96-- Iteration 11 -- 97int(6) 98-- Iteration 12 -- 99int(6) 100-- Iteration 13 -- 101int(6) 102-- Iteration 14 -- 103int(6) 104-- Iteration 15 -- 105int(6) 106-- Iteration 16 -- 107 108Warning: sizeof() expects parameter 2 to be integer, string given in %s on line %d 109NULL 110-- Iteration 17 -- 111 112Warning: sizeof() expects parameter 2 to be integer, string given in %s on line %d 113NULL 114-- Iteration 18 -- 115 116Warning: sizeof() expects parameter 2 to be integer, string given in %s on line %d 117NULL 118-- Iteration 19 -- 119 120Warning: sizeof() expects parameter 2 to be integer, string given in %s on line %d 121NULL 122-- Iteration 20 -- 123int(6) 124-- Iteration 21 -- 125 126Warning: sizeof() expects parameter 2 to be integer, object given in %s on line %d 127NULL 128-- Iteration 22 -- 129 130Warning: sizeof() expects parameter 2 to be integer, resource given in %s on line %d 131NULL 132Done 133