--TEST-- Test asort() function : basic functionality --FILE-- <?php /* Prototype : bool asort ( array &$array [, int $sort_flags] ) * Description: Sort an array and maintain index association Elements will be arranged from lowest to highest when this function has completed. * Source code: ext/standard/array.c */ /* * Testing asort() by providing integer/string arrays to check the basic functionality * with following flag values. * flag value as default * SORT_REGULAR - compare items normally * SORT_NUMERIC - compare items numerically * SORT_STRING - compare items as strings */ echo "*** Testing asort() : basic functionality ***\n"; // an array containing unsorted string values with indices $unsorted_strings = array( "l" => "lemon", "o" => "orange", "b" => "banana" ); // an array containing unsorted numeric values with indices $unsorted_numerics = array( 1 => 100, 2 => 33, 3 => 555, 4 => 22 ); echo "\n-- Testing asort() by supplying string array, 'flag' value is default --\n"; $temp_array = $unsorted_strings; var_dump( asort($temp_array) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing asort() by supplying numeric array, 'flag' value is default --\n"; $temp_array = $unsorted_numerics; var_dump( asort($temp_array) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing asort() by supplying string array, 'flag' = SORT_REGULAR --\n"; $temp_array = $unsorted_strings; var_dump( asort($temp_array, SORT_REGULAR) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing asort() by supplying numeric array, 'flag' = SORT_REGULAR --\n"; $temp_array = $unsorted_numerics; var_dump( asort($temp_array, SORT_REGULAR) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing asort() by supplying string array, 'flag' = SORT_STRING --\n"; $temp_array = $unsorted_strings; var_dump( asort($temp_array, SORT_STRING) ); // expecting : bool(true) var_dump( $temp_array); echo "\n-- Testing asort() by supplying numeric array, 'flag' = SORT_NUMERIC --\n"; $temp_array = $unsorted_numerics; var_dump( asort($temp_array, SORT_NUMERIC) ); // expecting : bool(true) var_dump( $temp_array); echo "Done\n"; ?> --EXPECTF-- *** Testing asort() : basic functionality *** -- Testing asort() by supplying string array, 'flag' value is default -- bool(true) array(3) { ["b"]=> string(6) "banana" ["l"]=> string(5) "lemon" ["o"]=> string(6) "orange" } -- Testing asort() by supplying numeric array, 'flag' value is default -- bool(true) array(4) { [4]=> int(22) [2]=> int(33) [1]=> int(100) [3]=> int(555) } -- Testing asort() by supplying string array, 'flag' = SORT_REGULAR -- bool(true) array(3) { ["b"]=> string(6) "banana" ["l"]=> string(5) "lemon" ["o"]=> string(6) "orange" } -- Testing asort() by supplying numeric array, 'flag' = SORT_REGULAR -- bool(true) array(4) { [4]=> int(22) [2]=> int(33) [1]=> int(100) [3]=> int(555) } -- Testing asort() by supplying string array, 'flag' = SORT_STRING -- bool(true) array(3) { ["b"]=> string(6) "banana" ["l"]=> string(5) "lemon" ["o"]=> string(6) "orange" } -- Testing asort() by supplying numeric array, 'flag' = SORT_NUMERIC -- bool(true) array(4) { [4]=> int(22) [2]=> int(33) [1]=> int(100) [3]=> int(555) } Done