1--TEST-- 2Test count() function 3--SKIPIF-- 4<?php if (!extension_loaded("spl")) die("skip no SPL extension"); ?> 5--FILE-- 6<?php 7/* Prototype: int count ( mixed $var [, int $mode] ); 8 Discription: Count elements in an array, or properties in an object 9*/ 10 11echo "*** Testing basic functionality of count() function ***\n"; 12print "-- Testing NULL --\n"; 13$arr = NULL; 14print "COUNT_NORMAL: should be 0, is ".count($arr, COUNT_NORMAL)."\n"; 15print "COUNT_RECURSIVE: should be 0, is ".count($arr, COUNT_RECURSIVE)."\n"; 16 17print "-- Testing arrays --\n"; 18$arr = array(1, array(3, 4, array(6, array(8)))); 19print "COUNT_NORMAL: should be 2, is ".count($arr, COUNT_NORMAL)."\n"; 20print "COUNT_RECURSIVE: should be 8, is ".count($arr, COUNT_RECURSIVE)."\n"; 21 22print "-- Testing hashes --\n"; 23$arr = array("a" => 1, "b" => 2, array("c" => 3, array("d" => 5))); 24print "COUNT_NORMAL: should be 3, is ".count($arr, COUNT_NORMAL)."\n"; 25print "COUNT_RECURSIVE: should be 6, is ".count($arr, COUNT_RECURSIVE)."\n"; 26 27print "-- Testing strings --\n"; 28print "COUNT_NORMAL: should be 1, is ".count("string", COUNT_NORMAL)."\n"; 29print "COUNT_RECURSIVE: should be 1, is ".count("string", COUNT_RECURSIVE)."\n"; 30 31print "-- Testing various types with no second argument --\n"; 32print "COUNT_NORMAL: should be 1, is ".count("string")."\n"; 33print "COUNT_NORMAL: should be 2, is ".count(array("a", array("b")))."\n"; 34 35$arr = array('a'=>array(NULL, NULL, NULL), 1=>array(NULL=>1, 1=>NULL), 36 array(array(array(array(array(NULL)))))); 37print "-- Testing really cool arrays --\n"; 38print "COUNT_NORMAL: should be 3, is ".count($arr, COUNT_NORMAL)."\n"; 39print "COUNT_RECURSIVE: should be 13, is ".count($arr, COUNT_RECURSIVE)."\n"; 40 41echo "\n*** Testing possible variations of count() function on arrays ***"; 42$count_array = array( 43 array(), 44 array( 1 => "string"), 45 array( "" => "string", 0 => "a", NULL => "b", -1.00 => "c", 46 array(array(array(NULL)))), 47 array( -2.44444 => 12, array(array(1, 2, array(array("0"))))), 48 array( "a" => 1, "b" => -2.344, "b" => "string", "c" => NULL, "d" => -2.344), 49 array( 4 => 1, 3 => -2.344, "3" => "string", "2" => NULL, 50 1 => -2.344, array()), 51 array( TRUE => TRUE, FALSE => FALSE, "" => "", " " => " ", 52 NULL => NULL, "\x000" => "\x000", "\000" => "\000"), 53 array( NULL, 1.23 => "Hi", "string" => "hello", 54 array("" => "World", "-2.34" => "a", "0" => "b")) 55); 56 57$i = 0; 58foreach ($count_array as $count_value) { 59 echo "\n-- Iteration $i --\n"; 60 print "COUNT_NORMAL is ".count($count_value, COUNT_NORMAL)."\n"; 61 print "COUNT_RECURSIVE is ".count($count_value, COUNT_RECURSIVE)."\n"; 62 $i++; 63} 64 65 66/* Testing count() by passing constant with no second argument */ 67print "\n-- Testing count() on constants with no second argument --\n"; 68print "COUNT_NORMAL: should be 1, is ".count(100)."\n"; 69print "COUNT_NORMAL: should be 1, is ".count(-23.45)."\n"; 70 71print "\n-- Testing count() on NULL and Unset variables --\n"; 72print "COUNT_NORMAL: should be 0, is ".count(NULL)."\n"; 73print "COUNT_NORMAL: should be 1, is ".count("")."\n"; 74print "COUNT_NORMAL: should be 0, is ".@count($a)."\n"; 75 76 77print "\n-- Testing count() on an empty sub-array --\n"; 78$arr = array(1, array(3, 4, array())); 79print "COUNT_NORMAL: should be 2, is ".count($arr, COUNT_NORMAL)."\n"; 80print "COUNT_RECURSIVE: should be 5, is ".count($arr, COUNT_RECURSIVE)."\n"; 81 82echo "\n-- Testing count() on objects with Countable interface --\n"; 83class count_class implements Countable { 84 private $var_private; 85 public $var_public; 86 protected $var_protected; 87 88 public function count() { 89 return 3; 90 } 91} 92 93$obj = new count_class(); 94print "COUNT_NORMAL: should be 3, is ".count($obj)."\n"; 95 96 97echo "\n-- Testing count() on resource type --\n"; 98$resource1 = fopen( __FILE__, "r" ); // Creating file(stream type) resource 99$resource2 = opendir( "." ); // Creating dir resource 100 101/* creating an array with resources as elements */ 102$arr_resource = array("a" => $resource1, "b" => $resource2); 103var_dump(count($arr_resource)); 104 105echo "\n-- Testing count() on arrays containing references --\n"; 106$arr = array(1, array("a", "b", "c")); 107$arr[2] = &$arr[1]; 108 109$mode_arr = array( COUNT_NORMAL, COUNT_RECURSIVE, 0, 1, -1, -1.45, 2, TRUE, 110 FALSE, NULL); 111for( $i =0; $i < count( $mode_arr ); $i++) { 112 echo "For mode '$mode_arr[$i]' count is => "; 113 var_dump(count($arr, $mode_arr[$i])); 114} 115 116 117echo "\n-- Testing error conditions --"; 118var_dump( count() ); // No. of args = 0 119var_dump( count(array(), COUNT_NORMAL, 100) ); // No. of args > expected 120 121/* Testing Invalid type arguments */ 122var_dump( count("string", ABCD) ); 123var_dump( count(100, "string") ); 124var_dump( count(array(), "") ); 125 126echo "\nDone"; 127 128/* closing the resource handles */ 129fclose( $resource1 ); 130closedir( $resource2 ); 131?> 132--EXPECTF-- 133*** Testing basic functionality of count() function *** 134-- Testing NULL -- 135 136Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d 137COUNT_NORMAL: should be 0, is 0 138 139Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d 140COUNT_RECURSIVE: should be 0, is 0 141-- Testing arrays -- 142COUNT_NORMAL: should be 2, is 2 143COUNT_RECURSIVE: should be 8, is 8 144-- Testing hashes -- 145COUNT_NORMAL: should be 3, is 3 146COUNT_RECURSIVE: should be 6, is 6 147-- Testing strings -- 148 149Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d 150COUNT_NORMAL: should be 1, is 1 151 152Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d 153COUNT_RECURSIVE: should be 1, is 1 154-- Testing various types with no second argument -- 155 156Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d 157COUNT_NORMAL: should be 1, is 1 158COUNT_NORMAL: should be 2, is 2 159-- Testing really cool arrays -- 160COUNT_NORMAL: should be 3, is 3 161COUNT_RECURSIVE: should be 13, is 13 162 163*** Testing possible variations of count() function on arrays *** 164-- Iteration 0 -- 165COUNT_NORMAL is 0 166COUNT_RECURSIVE is 0 167 168-- Iteration 1 -- 169COUNT_NORMAL is 1 170COUNT_RECURSIVE is 1 171 172-- Iteration 2 -- 173COUNT_NORMAL is 4 174COUNT_RECURSIVE is 7 175 176-- Iteration 3 -- 177COUNT_NORMAL is 2 178COUNT_RECURSIVE is 8 179 180-- Iteration 4 -- 181COUNT_NORMAL is 4 182COUNT_RECURSIVE is 4 183 184-- Iteration 5 -- 185COUNT_NORMAL is 5 186COUNT_RECURSIVE is 5 187 188-- Iteration 6 -- 189COUNT_NORMAL is 6 190COUNT_RECURSIVE is 6 191 192-- Iteration 7 -- 193COUNT_NORMAL is 4 194COUNT_RECURSIVE is 7 195 196-- Testing count() on constants with no second argument -- 197 198Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d 199COUNT_NORMAL: should be 1, is 1 200 201Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d 202COUNT_NORMAL: should be 1, is 1 203 204-- Testing count() on NULL and Unset variables -- 205 206Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d 207COUNT_NORMAL: should be 0, is 0 208 209Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d 210COUNT_NORMAL: should be 1, is 1 211COUNT_NORMAL: should be 0, is 0 212 213-- Testing count() on an empty sub-array -- 214COUNT_NORMAL: should be 2, is 2 215COUNT_RECURSIVE: should be 5, is 5 216 217-- Testing count() on objects with Countable interface -- 218COUNT_NORMAL: should be 3, is 3 219 220-- Testing count() on resource type -- 221int(2) 222 223-- Testing count() on arrays containing references -- 224For mode '0' count is => int(3) 225For mode '1' count is => int(9) 226For mode '0' count is => int(3) 227For mode '1' count is => int(9) 228For mode '-1' count is => int(3) 229For mode '-1.45' count is => int(3) 230For mode '2' count is => int(3) 231For mode '1' count is => int(9) 232For mode '' count is => int(3) 233For mode '' count is => int(3) 234 235-- Testing error conditions -- 236Warning: count() expects at least 1 parameter, 0 given in %s on line %d 237NULL 238 239Warning: count() expects at most 2 parameters, 3 given in %s on line %d 240NULL 241 242Warning: Use of undefined constant ABCD - assumed 'ABCD' (this will throw an Error in a future version of PHP) in %s on line %d 243 244Warning: count() expects parameter 2 to be integer, %s given in %s on line %d 245NULL 246 247Warning: count() expects parameter 2 to be integer, %s given in %s on line %d 248NULL 249 250Warning: count() expects parameter 2 to be integer, %s given in %s on line %d 251NULL 252 253Done 254
