--TEST-- Test arsort() function : usage variations - sort mixed values, 'sort_flags' as default/SORT_REGULAR (OK to fail as result is unpredectable) --FILE-- array(), "array2" => array ( "sub_array[2,1]" => array(33,-5,6), "sub_array[2,2]" => array(11), "sub_array[2,3]" => array(22,-55), "sub_array[2,4]" => array() ), 4 => 4, "4" => "4", 4.01 => 4.01, "b" => "b", "5" => "5", -2 => -2, -2.01 => -2.01, -2.98989 => -2.98989, "-.9" => "-.9", "True" => "True", "" => "", NULL => NULL, "ab" => "ab", "abcd" => "abcd", 0.01 => 0.01, -0 => -0, '' => '' , "abcd\x00abcd\x00abcd" => "abcd\x00abcd\x00abcd", 0.001 => 0.001 ); echo "\n-- Testing arsort() by supplying mixed value array, 'flag' value is default --\n"; $temp_array = $mixed_values; var_dump( arsort($temp_array) ); var_dump($temp_array); echo "\n-- Testing arsort() by supplying mixed value array, 'flag' value is SORT_REGULAR --\n"; $temp_array = $mixed_values; var_dump( arsort($temp_array, SORT_REGULAR) ); var_dump($temp_array); echo "Done\n"; ?> --EXPECTF-- *** Testing arsort() : usage variations *** -- Testing arsort() by supplying mixed value array, 'flag' value is default -- bool(true) array(13) { ["array2"]=> array(4) { ["sub_array[2,1]"]=> array(3) { [0]=> int(33) [1]=> int(-5) [2]=> int(6) } ["sub_array[2,2]"]=> array(1) { [0]=> int(11) } ["sub_array[2,3]"]=> array(2) { [0]=> int(22) [1]=> int(-55) } ["sub_array[2,4]"]=> array(0) { } } ["array1"]=> array(0) { } [4]=> float(4.01) [0]=> float(0.001) ["b"]=> string(1) "b" ["abcdabcdabcd"]=> string(14) "abcdabcdabcd" ["abcd"]=> string(4) "abcd" ["ab"]=> string(2) "ab" ["True"]=> string(4) "True" [5]=> string(1) "5" ["-.9"]=> string(3) "-.9" [""]=> string(0) "" [-2]=> float(-2.98989) } -- Testing arsort() by supplying mixed value array, 'flag' value is SORT_REGULAR -- bool(true) array(13) { ["array2"]=> array(4) { ["sub_array[2,1]"]=> array(3) { [0]=> int(33) [1]=> int(-5) [2]=> int(6) } ["sub_array[2,2]"]=> array(1) { [0]=> int(11) } ["sub_array[2,3]"]=> array(2) { [0]=> int(22) [1]=> int(-55) } ["sub_array[2,4]"]=> array(0) { } } ["array1"]=> array(0) { } [4]=> float(4.01) [0]=> float(0.001) ["b"]=> string(1) "b" ["abcdabcdabcd"]=> string(14) "abcdabcdabcd" ["abcd"]=> string(4) "abcd" ["ab"]=> string(2) "ab" ["True"]=> string(4) "True" [5]=> string(1) "5" ["-.9"]=> string(3) "-.9" [""]=> string(0) "" [-2]=> float(-2.98989) } Done