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--TEST-- Test array_reverse() function : usage variations - two dimensional arrays for 'array' argument --FILE-- <?php /* Prototype : array array_reverse(array $array [, bool $preserve_keys]) * Description: Return input as a new array with the order of the entries reversed * Source code: ext/standard/array.c */ /* * testing the functionality of array_reverse() by giving 2-D arrays for $array argument */ echo "*** Testing array_reverse() : usage variations ***\n"; // Initializing the 2-d arrays $two_dimensional_array = array( // associative array array('color' => 'red', 'item' => 'pen', 'place' => 'LA'), // numeric array array(1, 2, 3, 4, 5), // combination of numeric and associative arrays array('a' => 'green', 'red', 'brown', 33, 88, 'orange', 'item' => 'ball') ); // calling array_reverse() with various types of 2-d arrays // with default arguments echo "-- with default argument --\n"; var_dump( array_reverse($two_dimensional_array) ); // whole array var_dump( array_reverse($two_dimensional_array[1]) ); // sub array // with $preserve_keys argument echo "-- with all possible arguments --\n"; // whole array var_dump( array_reverse($two_dimensional_array, true) ); var_dump( array_reverse($two_dimensional_array, false) ); // sub array var_dump( array_reverse($two_dimensional_array[1], true) ); var_dump( array_reverse($two_dimensional_array[1], false) ); echo "Done"; ?> --EXPECTF-- *** Testing array_reverse() : usage variations *** -- with default argument -- array(3) { [0]=> array(7) { ["a"]=> string(5) "green" [0]=> string(3) "red" [1]=> string(5) "brown" [2]=> int(33) [3]=> int(88) [4]=> string(6) "orange" ["item"]=> string(4) "ball" } [1]=> array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } [2]=> array(3) { ["color"]=> string(3) "red" ["item"]=> string(3) "pen" ["place"]=> string(2) "LA" } } array(5) { [0]=> int(5) [1]=> int(4) [2]=> int(3) [3]=> int(2) [4]=> int(1) } -- with all possible arguments -- array(3) { [2]=> array(7) { ["a"]=> string(5) "green" [0]=> string(3) "red" [1]=> string(5) "brown" [2]=> int(33) [3]=> int(88) [4]=> string(6) "orange" ["item"]=> string(4) "ball" } [1]=> array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } [0]=> array(3) { ["color"]=> string(3) "red" ["item"]=> string(3) "pen" ["place"]=> string(2) "LA" } } array(3) { [0]=> array(7) { ["a"]=> string(5) "green" [0]=> string(3) "red" [1]=> string(5) "brown" [2]=> int(33) [3]=> int(88) [4]=> string(6) "orange" ["item"]=> string(4) "ball" } [1]=> array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } [2]=> array(3) { ["color"]=> string(3) "red" ["item"]=> string(3) "pen" ["place"]=> string(2) "LA" } } array(5) { [4]=> int(5) [3]=> int(4) [2]=> int(3) [1]=> int(2) [0]=> int(1) } array(5) { [0]=> int(5) [1]=> int(4) [2]=> int(3) [3]=> int(2) [4]=> int(1) } Done