--TEST-- Test rsort() function : basic functionality --FILE-- <?php /* Prototype : bool rsort(array &$array_arg [, int $sort_flags]) * Description: Sort an array in reverse order * Source code: ext/standard/array.c */ /* * Test basic functionality of rsort() */ echo "*** Testing rsort() : basic functionality ***\n"; // associative array containing unsorted string values $unsorted_strings = array( "l" => "lemon", "o" => "orange", "b" => "banana" ); // array with default keys containing unsorted numeric values $unsorted_numerics = array( 100, 33, 555, 22 ); echo "\n-- Testing rsort() by supplying string array, 'flag' value is defualt --\n"; $temp_array = $unsorted_strings; var_dump( rsort($temp_array) ); var_dump( $temp_array); echo "\n-- Testing rsort() by supplying numeric array, 'flag' value is defualt --\n"; $temp_array = $unsorted_numerics; var_dump( rsort($temp_array) ); var_dump( $temp_array); echo "\n-- Testing rsort() by supplying string array, 'flag' = SORT_REGULAR --\n"; $temp_array = $unsorted_strings; var_dump( rsort($temp_array, SORT_REGULAR) ); var_dump( $temp_array); echo "\n-- Testing rsort() by supplying numeric array, 'flag' = SORT_REGULAR --\n"; $temp_array = $unsorted_numerics; var_dump( rsort($temp_array, SORT_REGULAR) ); var_dump( $temp_array); echo "\n-- Testing rsort() by supplying string array, 'flag' = SORT_STRING --\n"; $temp_array = $unsorted_strings; var_dump( rsort($temp_array, SORT_STRING) ); var_dump( $temp_array); echo "\n-- Testing rsort() by supplying numeric array, 'flag' = SORT_NUMERIC --\n"; $temp_array = $unsorted_numerics; var_dump( rsort($temp_array, SORT_NUMERIC) ); var_dump( $temp_array); echo "Done"; ?> --EXPECTF-- *** Testing rsort() : basic functionality *** -- Testing rsort() by supplying string array, 'flag' value is defualt -- bool(true) array(3) { [0]=> string(6) "orange" [1]=> string(5) "lemon" [2]=> string(6) "banana" } -- Testing rsort() by supplying numeric array, 'flag' value is defualt -- bool(true) array(4) { [0]=> int(555) [1]=> int(100) [2]=> int(33) [3]=> int(22) } -- Testing rsort() by supplying string array, 'flag' = SORT_REGULAR -- bool(true) array(3) { [0]=> string(6) "orange" [1]=> string(5) "lemon" [2]=> string(6) "banana" } -- Testing rsort() by supplying numeric array, 'flag' = SORT_REGULAR -- bool(true) array(4) { [0]=> int(555) [1]=> int(100) [2]=> int(33) [3]=> int(22) } -- Testing rsort() by supplying string array, 'flag' = SORT_STRING -- bool(true) array(3) { [0]=> string(6) "orange" [1]=> string(5) "lemon" [2]=> string(6) "banana" } -- Testing rsort() by supplying numeric array, 'flag' = SORT_NUMERIC -- bool(true) array(4) { [0]=> int(555) [1]=> int(100) [2]=> int(33) [3]=> int(22) } Done