--TEST-- Test array_diff_assoc() function : variation - array containing different data types --SKIPIF-- --FILE-- array(0, 1, 12345, -2345), // float data /*2*/ 'float' => array(10.5, -10.5, 123456789000.0, 1.23456789E-9, 0.5), // null data /*3*/ 'null' => array(NULL, null), // boolean data /*4*/ 'bool' => array(true, false, TRUE, FALSE), // empty data /*5*/ 'empty' => array("", ''), // string data /*6*/ 'string' => array("string", 'string', $heredoc), // binary data /*7*/ 'binary' => array("binary", (string) "binary"), // object data /*8*/ 'object' => array(new classA()), // undefined data /*9*/ 'undefined' => array(@$undefined_var), // unset data /*10*/ 'unset' => array(@$unset_var), ); // loop through each element of $inputs to check the behavior of array_diff_assoc $iterator = 1; foreach ($inputs as $key => $input) { echo "\n-- Iteration {$iterator} --\n"; var_dump(array_diff_assoc($input, $array)); $iterator++; } echo "Done"; } ?> --EXPECTF-- *** Testing array_diff_assoc() : usage variations *** -- Iteration 1 -- array(4) { [0]=> int(0) [1]=> int(1) [2]=> int(12345) [3]=> int(-2345) } -- Iteration 2 -- array(5) { [0]=> float(10.5) [1]=> float(-10.5) [2]=> float(123456789000) [3]=> float(1.23456789E-9) [4]=> float(0.5) } -- Iteration 3 -- array(2) { [0]=> NULL [1]=> NULL } -- Iteration 4 -- array(3) { [1]=> bool(false) [2]=> bool(true) [3]=> bool(false) } -- Iteration 5 -- array(2) { [0]=> string(0) "" [1]=> string(0) "" } -- Iteration 6 -- array(3) { [0]=> string(6) "string" [1]=> string(6) "string" [2]=> string(11) "hello world" } -- Iteration 7 -- array(2) { [0]=> string(6) "binary" [1]=> string(6) "binary" } -- Iteration 8 -- array(1) { [0]=> object(classA)#%d (0) { } } -- Iteration 9 -- array(1) { [0]=> NULL } -- Iteration 10 -- array(1) { [0]=> NULL } Done