--TEST-- Test ksort() function : usage variations - sort bool values --FILE-- <?php /* Prototype : bool ksort ( array &$array [, int $sort_flags] ) * Description: Sort an array by key, maintaining key to data correlation * Source code: ext/standard/array.c */ /* * testing ksort() by providing array of boolean values for $array argument with following flag values: * 1.flag value as defualt * 2.SORT_REGULAR - compare items normally */ echo "*** Testing ksort() : usage variations ***\n"; // bool value array $bool_values = array (true => true, false => false, TRUE => TRUE, FALSE => FALSE); echo "\n-- Testing ksort() by supplying boolean value array, 'flag' value is defualt --\n"; $temp_array = $bool_values; var_dump(ksort($temp_array) ); var_dump($temp_array); echo "\n-- Testing ksort() by supplying boolean value array, 'flag' value is SORT_REGULAR --\n"; $temp_array = $bool_values; var_dump(ksort($temp_array, SORT_REGULAR) ); var_dump($temp_array); echo "\n-- Testing ksort() by supplying boolean value array, 'flag' value is SORT_NUMERIC --\n"; $temp_array = $bool_values; var_dump(ksort($temp_array, SORT_NUMERIC) ); var_dump($temp_array); echo "\n-- Testing ksort() by supplying boolean value array, 'flag' value is SORT_STRING --\n"; $temp_array = $bool_values; var_dump(ksort($temp_array, SORT_STRING) ); var_dump($temp_array); echo "Done\n"; ?> --EXPECTF-- *** Testing ksort() : usage variations *** -- Testing ksort() by supplying boolean value array, 'flag' value is defualt -- bool(true) array(2) { [0]=> bool(false) [1]=> bool(true) } -- Testing ksort() by supplying boolean value array, 'flag' value is SORT_REGULAR -- bool(true) array(2) { [0]=> bool(false) [1]=> bool(true) } -- Testing ksort() by supplying boolean value array, 'flag' value is SORT_NUMERIC -- bool(true) array(2) { [0]=> bool(false) [1]=> bool(true) } -- Testing ksort() by supplying boolean value array, 'flag' value is SORT_STRING -- bool(true) array(2) { [0]=> bool(false) [1]=> bool(true) } Done