--TEST-- Test rsort() function : basic functionality --FILE-- "lemon", "o" => "orange", "O" => "Orange", "O1" => "Orange1", "o2" => "orange2", "O3" => "Orange3", "o20" => "orange20", "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 string array (case insensitive), 'flag' = SORT_STRING|SORT_FLAG_CASE --\n"; $temp_array = $unsorted_strings; var_dump( rsort($temp_array, SORT_STRING|SORT_FLAG_CASE) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing rsort() by supplying string array (natural), 'flag' = SORT_NATURAL --\n"; $temp_array = $unsorted_strings; var_dump( rsort($temp_array, SORT_NATURAL) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing rsort() by supplying string array (natural, case insensitive), 'flag' = SORT_NATURAL|SORT_FLAG_CASE --\n"; $temp_array = $unsorted_strings; var_dump( rsort($temp_array, SORT_NATURAL|SORT_FLAG_CASE) ); // expecting : bool(true) 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"; ?> --EXPECT-- *** Testing rsort() : basic functionality *** -- Testing rsort() by supplying string array, 'flag' value is defualt -- bool(true) array(8) { [0]=> string(8) "orange20" [1]=> string(7) "orange2" [2]=> string(6) "orange" [3]=> string(5) "lemon" [4]=> string(6) "banana" [5]=> string(7) "Orange3" [6]=> string(7) "Orange1" [7]=> string(6) "Orange" } -- 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(8) { [0]=> string(8) "orange20" [1]=> string(7) "orange2" [2]=> string(6) "orange" [3]=> string(5) "lemon" [4]=> string(6) "banana" [5]=> string(7) "Orange3" [6]=> string(7) "Orange1" [7]=> string(6) "Orange" } -- 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(8) { [0]=> string(8) "orange20" [1]=> string(7) "orange2" [2]=> string(6) "orange" [3]=> string(5) "lemon" [4]=> string(6) "banana" [5]=> string(7) "Orange3" [6]=> string(7) "Orange1" [7]=> string(6) "Orange" } -- Testing rsort() by supplying string array (case insensitive), 'flag' = SORT_STRING|SORT_FLAG_CASE -- bool(true) array(8) { [0]=> string(7) "Orange3" [1]=> string(8) "orange20" [2]=> string(7) "orange2" [3]=> string(7) "Orange1" [4]=> string(6) "orange" [5]=> string(6) "Orange" [6]=> string(5) "lemon" [7]=> string(6) "banana" } -- Testing rsort() by supplying string array (natural), 'flag' = SORT_NATURAL -- bool(true) array(8) { [0]=> string(8) "orange20" [1]=> string(7) "orange2" [2]=> string(6) "orange" [3]=> string(5) "lemon" [4]=> string(6) "banana" [5]=> string(7) "Orange3" [6]=> string(7) "Orange1" [7]=> string(6) "Orange" } -- Testing rsort() by supplying string array (natural, case insensitive), 'flag' = SORT_NATURAL|SORT_FLAG_CASE -- bool(true) array(8) { [0]=> string(8) "orange20" [1]=> string(7) "Orange3" [2]=> string(7) "orange2" [3]=> string(7) "Orange1" [4]=> string(6) "orange" [5]=> string(6) "Orange" [6]=> string(5) "lemon" [7]=> 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