--TEST-- Test krsort() function : basic functionality --FILE-- "l", "orange" => "o", "banana" => "b" ); $unsorted_strings = array( "l" => "lemon", "o" => "orange", "O" => "Orange", "O1" => "Orange1", "o2" => "orange2", "O3" => "Orange3", "o20" => "orange20", "b" => "banana", ); // an array containing unsorted numeric values with indices $unsorted_numerics = array( 100 => 4, 33 => 3, 555 => 2, 22 => 1 ); echo "\n-- Testing krsort() by supplying string array, 'flag' value is default --\n"; $temp_array = $unsorted_strings; var_dump( krsort($temp_array) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing krsort() by supplying numeric array, 'flag' value is default --\n"; $temp_array = $unsorted_numerics; var_dump( krsort($temp_array) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing krsort() by supplying string array, 'flag' = SORT_REGULAR --\n"; $temp_array = $unsorted_strings; var_dump( krsort($temp_array, SORT_REGULAR) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing krsort() by supplying numeric array, 'flag' = SORT_REGULAR --\n"; $temp_array = $unsorted_numerics; var_dump( krsort($temp_array, SORT_REGULAR) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing krsort() by supplying string array, 'flag' = SORT_STRING --\n"; $temp_array = $unsorted_strings; var_dump( krsort($temp_array, SORT_STRING) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing krsort() by supplying string array (case insensitive), 'flag' = SORT_STRING|SORT_FLAG_CASE --\n"; $temp_array = $unsorted_strings; var_dump( krsort($temp_array, SORT_STRING|SORT_FLAG_CASE) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing krsort() by supplying string array (natural), 'flag' = SORT_NATURAL --\n"; $temp_array = $unsorted_strings; var_dump( krsort($temp_array, SORT_NATURAL) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing krsort() by supplying string array (natural, case insensitive), 'flag' = SORT_NATURAL|SORT_FLAG_CASE --\n"; $temp_array = $unsorted_strings; var_dump( krsort($temp_array, SORT_NATURAL|SORT_FLAG_CASE) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing krsort() by supplying numeric array, 'flag' = SORT_NUMERIC --\n"; $temp_array = $unsorted_numerics; var_dump( krsort($temp_array, SORT_NUMERIC) ); // expecting : bool(true) var_dump( $temp_array); echo "Done\n"; ?> --EXPECT-- *** Testing krsort() : basic functionality *** -- Testing krsort() by supplying string array, 'flag' value is default -- bool(true) array(8) { ["o20"]=> string(8) "orange20" ["o2"]=> string(7) "orange2" ["o"]=> string(6) "orange" ["l"]=> string(5) "lemon" ["b"]=> string(6) "banana" ["O3"]=> string(7) "Orange3" ["O1"]=> string(7) "Orange1" ["O"]=> string(6) "Orange" } -- Testing krsort() by supplying numeric array, 'flag' value is default -- bool(true) array(4) { [555]=> int(2) [100]=> int(4) [33]=> int(3) [22]=> int(1) } -- Testing krsort() by supplying string array, 'flag' = SORT_REGULAR -- bool(true) array(8) { ["o20"]=> string(8) "orange20" ["o2"]=> string(7) "orange2" ["o"]=> string(6) "orange" ["l"]=> string(5) "lemon" ["b"]=> string(6) "banana" ["O3"]=> string(7) "Orange3" ["O1"]=> string(7) "Orange1" ["O"]=> string(6) "Orange" } -- Testing krsort() by supplying numeric array, 'flag' = SORT_REGULAR -- bool(true) array(4) { [555]=> int(2) [100]=> int(4) [33]=> int(3) [22]=> int(1) } -- Testing krsort() by supplying string array, 'flag' = SORT_STRING -- bool(true) array(8) { ["o20"]=> string(8) "orange20" ["o2"]=> string(7) "orange2" ["o"]=> string(6) "orange" ["l"]=> string(5) "lemon" ["b"]=> string(6) "banana" ["O3"]=> string(7) "Orange3" ["O1"]=> string(7) "Orange1" ["O"]=> string(6) "Orange" } -- Testing krsort() by supplying string array (case insensitive), 'flag' = SORT_STRING|SORT_FLAG_CASE -- bool(true) array(8) { ["O3"]=> string(7) "Orange3" ["o20"]=> string(8) "orange20" ["o2"]=> string(7) "orange2" ["O1"]=> string(7) "Orange1" ["o"]=> string(6) "orange" ["O"]=> string(6) "Orange" ["l"]=> string(5) "lemon" ["b"]=> string(6) "banana" } -- Testing krsort() by supplying string array (natural), 'flag' = SORT_NATURAL -- bool(true) array(8) { ["o20"]=> string(8) "orange20" ["o2"]=> string(7) "orange2" ["o"]=> string(6) "orange" ["l"]=> string(5) "lemon" ["b"]=> string(6) "banana" ["O3"]=> string(7) "Orange3" ["O1"]=> string(7) "Orange1" ["O"]=> string(6) "Orange" } -- Testing krsort() by supplying string array (natural, case insensitive), 'flag' = SORT_NATURAL|SORT_FLAG_CASE -- bool(true) array(8) { ["o20"]=> string(8) "orange20" ["O3"]=> string(7) "Orange3" ["o2"]=> string(7) "orange2" ["O1"]=> string(7) "Orange1" ["o"]=> string(6) "orange" ["O"]=> string(6) "Orange" ["l"]=> string(5) "lemon" ["b"]=> string(6) "banana" } -- Testing krsort() by supplying numeric array, 'flag' = SORT_NUMERIC -- bool(true) array(4) { [555]=> int(2) [100]=> int(4) [33]=> int(3) [22]=> int(1) } Done