--TEST-- Test sort() function : object functionality - sorting objects, 'sort_flags' as default/SORT_REGULAR --FILE-- class_value = $value; } } // class declaration for string objects class for_string_sort { 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( new for_integer_sort(11), new for_integer_sort(66), new for_integer_sort(23), new for_integer_sort(-5), new for_integer_sort(0.001), new for_integer_sort(0) ); // array of string objects $unsorted_str_obj = array ( new for_string_sort("axx"), new for_string_sort("t"), new for_string_sort("w"), new for_string_sort("py"), new for_string_sort("apple"), new for_string_sort("Orange"), new for_string_sort("Lemon"), new for_string_sort("aPPle") ); echo "\n-- Testing sort() by supplying various object arrays, 'flag' value is default --\n"; // testing sort() function by supplying integer object array, flag value is default $temp_array = $unsorted_int_obj; var_dump(sort($temp_array) ); var_dump($temp_array); // testing sort() function by supplying string object array, flag value is default $temp_array = $unsorted_str_obj; var_dump(sort($temp_array) ); var_dump($temp_array); echo "\n-- Testing sort() by supplying various object arrays, 'flag' value is SORT_REGULAR --\n"; // testing sort() function by supplying integer object array, flag value = SORT_REGULAR $temp_array = $unsorted_int_obj; var_dump(sort($temp_array, SORT_REGULAR) ); var_dump($temp_array); // testing sort() function by supplying string object array, flag value = SORT_REGULAR $temp_array = $unsorted_str_obj; var_dump(sort($temp_array, SORT_REGULAR) ); var_dump($temp_array); echo "Done\n"; ?> --EXPECTF-- *** Testing sort() : object functionality *** -- Testing sort() by supplying various object arrays, 'flag' value is default -- bool(true) array(6) { [0]=> object(for_integer_sort)#%d (1) { ["class_value"]=> int(-5) } [1]=> object(for_integer_sort)#%d (1) { ["class_value"]=> int(0) } [2]=> object(for_integer_sort)#%d (1) { ["class_value"]=> float(0.001) } [3]=> object(for_integer_sort)#%d (1) { ["class_value"]=> int(11) } [4]=> object(for_integer_sort)#%d (1) { ["class_value"]=> int(23) } [5]=> object(for_integer_sort)#%d (1) { ["class_value"]=> int(66) } } bool(true) array(8) { [0]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(5) "Lemon" } [1]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(6) "Orange" } [2]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(5) "aPPle" } [3]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(5) "apple" } [4]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(3) "axx" } [5]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(2) "py" } [6]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(1) "t" } [7]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(1) "w" } } -- Testing sort() by supplying various object arrays, 'flag' value is SORT_REGULAR -- bool(true) array(6) { [0]=> object(for_integer_sort)#%d (1) { ["class_value"]=> int(-5) } [1]=> object(for_integer_sort)#%d (1) { ["class_value"]=> int(0) } [2]=> object(for_integer_sort)#%d (1) { ["class_value"]=> float(0.001) } [3]=> object(for_integer_sort)#%d (1) { ["class_value"]=> int(11) } [4]=> object(for_integer_sort)#%d (1) { ["class_value"]=> int(23) } [5]=> object(for_integer_sort)#%d (1) { ["class_value"]=> int(66) } } bool(true) array(8) { [0]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(5) "Lemon" } [1]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(6) "Orange" } [2]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(5) "aPPle" } [3]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(5) "apple" } [4]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(3) "axx" } [5]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(2) "py" } [6]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(1) "t" } [7]=> object(for_string_sort)#%d (1) { ["class_value"]=> string(1) "w" } } Done