--TEST-- Test arsort() function : object functionality - sort objects --FILE-- class_value = $value; } } // class declaration for string objects class for_string_arsort { public $class_value; // initializing object member value function __construct($value){ $this->class_value = $value; } // return string value function __tostring() { return (string)$this->value; } } // array of integer objects $unsorted_int_obj = array ( 1 => new for_integer_arsort(11), 2 => new for_integer_arsort(66), 3 => new for_integer_arsort(23), 4 => new for_integer_arsort(-5), 5 => new for_integer_arsort(0.001), 6 => new for_integer_arsort(0) ); // array of string objects $unsorted_str_obj = array ( "a" => new for_string_arsort("axx"), "b" => new for_string_arsort("t"), "c" => new for_string_arsort("w"), "d" => new for_string_arsort("py"), "e" => new for_string_arsort("apple"), "f" => new for_string_arsort("Orange"), "g" => new for_string_arsort("Lemon"), "h" => new for_string_arsort("aPPle") ); echo "\n-- Testing arsort() by supplying various object arrays, 'flag' value is default --\n"; // testing arsort() function by supplying integer object array, flag value is default $temp_array = $unsorted_int_obj; var_dump(arsort($temp_array) ); var_dump($temp_array); // testing arsort() function by supplying string object array, flag value is default $temp_array = $unsorted_str_obj; var_dump(arsort($temp_array) ); var_dump($temp_array); echo "\n-- Testing arsort() by supplying various object arrays, 'flag' value is SORT_REGULAR --\n"; // testing arsort() function by supplying integer object array, flag value = SORT_REGULAR $temp_array = $unsorted_int_obj; var_dump(arsort($temp_array, SORT_REGULAR) ); var_dump($temp_array); // testing arsort() function by supplying string object array, flag value = SORT_REGULAR $temp_array = $unsorted_str_obj; var_dump(arsort($temp_array, SORT_REGULAR) ); var_dump($temp_array); echo "Done\n"; ?> --EXPECT-- *** Testing arsort() : object functionality *** -- Testing arsort() by supplying various object arrays, 'flag' value is default -- bool(true) array(6) { [2]=> object(for_integer_arsort)#2 (1) { ["class_value"]=> int(66) } [3]=> object(for_integer_arsort)#3 (1) { ["class_value"]=> int(23) } [1]=> object(for_integer_arsort)#1 (1) { ["class_value"]=> int(11) } [5]=> object(for_integer_arsort)#5 (1) { ["class_value"]=> float(0.001) } [6]=> object(for_integer_arsort)#6 (1) { ["class_value"]=> int(0) } [4]=> object(for_integer_arsort)#4 (1) { ["class_value"]=> int(-5) } } bool(true) array(8) { ["c"]=> object(for_string_arsort)#9 (1) { ["class_value"]=> string(1) "w" } ["b"]=> object(for_string_arsort)#8 (1) { ["class_value"]=> string(1) "t" } ["d"]=> object(for_string_arsort)#10 (1) { ["class_value"]=> string(2) "py" } ["a"]=> object(for_string_arsort)#7 (1) { ["class_value"]=> string(3) "axx" } ["e"]=> object(for_string_arsort)#11 (1) { ["class_value"]=> string(5) "apple" } ["h"]=> object(for_string_arsort)#14 (1) { ["class_value"]=> string(5) "aPPle" } ["f"]=> object(for_string_arsort)#12 (1) { ["class_value"]=> string(6) "Orange" } ["g"]=> object(for_string_arsort)#13 (1) { ["class_value"]=> string(5) "Lemon" } } -- Testing arsort() by supplying various object arrays, 'flag' value is SORT_REGULAR -- bool(true) array(6) { [2]=> object(for_integer_arsort)#2 (1) { ["class_value"]=> int(66) } [3]=> object(for_integer_arsort)#3 (1) { ["class_value"]=> int(23) } [1]=> object(for_integer_arsort)#1 (1) { ["class_value"]=> int(11) } [5]=> object(for_integer_arsort)#5 (1) { ["class_value"]=> float(0.001) } [6]=> object(for_integer_arsort)#6 (1) { ["class_value"]=> int(0) } [4]=> object(for_integer_arsort)#4 (1) { ["class_value"]=> int(-5) } } bool(true) array(8) { ["c"]=> object(for_string_arsort)#9 (1) { ["class_value"]=> string(1) "w" } ["b"]=> object(for_string_arsort)#8 (1) { ["class_value"]=> string(1) "t" } ["d"]=> object(for_string_arsort)#10 (1) { ["class_value"]=> string(2) "py" } ["a"]=> object(for_string_arsort)#7 (1) { ["class_value"]=> string(3) "axx" } ["e"]=> object(for_string_arsort)#11 (1) { ["class_value"]=> string(5) "apple" } ["h"]=> object(for_string_arsort)#14 (1) { ["class_value"]=> string(5) "aPPle" } ["f"]=> object(for_string_arsort)#12 (1) { ["class_value"]=> string(6) "Orange" } ["g"]=> object(for_string_arsort)#13 (1) { ["class_value"]=> string(5) "Lemon" } } Done