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 -- 135COUNT_NORMAL: should be 0, is 0 136COUNT_RECURSIVE: should be 0, is 0 137-- Testing arrays -- 138COUNT_NORMAL: should be 2, is 2 139COUNT_RECURSIVE: should be 8, is 8 140-- Testing hashes -- 141COUNT_NORMAL: should be 3, is 3 142COUNT_RECURSIVE: should be 6, is 6 143-- Testing strings -- 144COUNT_NORMAL: should be 1, is 1 145COUNT_RECURSIVE: should be 1, is 1 146-- Testing various types with no second argument -- 147COUNT_NORMAL: should be 1, is 1 148COUNT_NORMAL: should be 2, is 2 149-- Testing really cool arrays -- 150COUNT_NORMAL: should be 3, is 3 151COUNT_RECURSIVE: should be 13, is 13 152 153*** Testing possible variations of count() function on arrays *** 154-- Iteration 0 -- 155COUNT_NORMAL is 0 156COUNT_RECURSIVE is 0 157 158-- Iteration 1 -- 159COUNT_NORMAL is 1 160COUNT_RECURSIVE is 1 161 162-- Iteration 2 -- 163COUNT_NORMAL is 4 164COUNT_RECURSIVE is 7 165 166-- Iteration 3 -- 167COUNT_NORMAL is 2 168COUNT_RECURSIVE is 8 169 170-- Iteration 4 -- 171COUNT_NORMAL is 4 172COUNT_RECURSIVE is 4 173 174-- Iteration 5 -- 175COUNT_NORMAL is 5 176COUNT_RECURSIVE is 5 177 178-- Iteration 6 -- 179COUNT_NORMAL is 6 180COUNT_RECURSIVE is 6 181 182-- Iteration 7 -- 183COUNT_NORMAL is 4 184COUNT_RECURSIVE is 7 185 186-- Testing count() on constants with no second argument -- 187COUNT_NORMAL: should be 1, is 1 188COUNT_NORMAL: should be 1, is 1 189 190-- Testing count() on NULL and Unset variables -- 191COUNT_NORMAL: should be 0, is 0 192COUNT_NORMAL: should be 1, is 1 193COUNT_NORMAL: should be 0, is 0 194 195-- Testing count() on an empty sub-array -- 196COUNT_NORMAL: should be 2, is 2 197COUNT_RECURSIVE: should be 5, is 5 198 199-- Testing count() on objects with Countable interface -- 200COUNT_NORMAL: should be 3, is 3 201 202-- Testing count() on resource type -- 203int(2) 204 205-- Testing count() on arrays containing references -- 206For mode '0' count is => int(3) 207For mode '1' count is => int(9) 208For mode '0' count is => int(3) 209For mode '1' count is => int(9) 210For mode '-1' count is => int(3) 211For mode '-1.45' count is => int(3) 212For mode '2' count is => int(3) 213For mode '1' count is => int(9) 214For mode '' count is => int(3) 215For mode '' count is => int(3) 216 217-- Testing error conditions -- 218Warning: count() expects at least 1 parameter, 0 given in %s on line %d 219NULL 220 221Warning: count() expects at most 2 parameters, 3 given in %s on line %d 222NULL 223 224Notice: Use of undefined constant ABCD - assumed 'ABCD' in %s on line %d 225 226Warning: count() expects parameter 2 to be long, %s given in %s on line %d 227NULL 228 229Warning: count() expects parameter 2 to be long, %s given in %s on line %d 230NULL 231 232Warning: count() expects parameter 2 to be long, %s given in %s on line %d 233NULL 234 235Done 236
