--TEST-- Test array_unshift() function : usage variations - two dimensional arrays for 'array' argument --FILE-- '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') ); /* Passing the entire $two_dimensional_array to $array */ /* With default argument */ // returns element count in the resulting array after arguments are pushed to // beginning of the given array $temp_array = $two_dimensional_array; var_dump( array_unshift($temp_array, $var) ); // whole 2-d array // dumps the resulting array var_dump($temp_array); /* With optional arguments */ // returns element count in the resulting array after arguments are pushed to // beginning of the given array $temp_array = $two_dimensional_array; var_dump( array_unshift($temp_array, $var, "hello", 'world') ); // whole 2-d array // dumps the resulting array var_dump($temp_array); /* Passing the sub-array within the $two_dimensional_array to $array argument */ /* With default argument */ // returns element count in the resulting array after arguments are pushed to // beginning of the given array $temp_array = $two_dimensional_array[0]; var_dump( array_unshift($temp_array, $var) ); // sub array // dumps the resulting array var_dump($temp_array); /* With optional arguments */ // returns element count in the resulting array after arguments are pushed to // beginning of the given array $temp_array = $two_dimensional_array[0]; var_dump( array_unshift($temp_array, $var, "hello", 'world') ); // sub array // dumps the resulting array var_dump($temp_array); echo "Done"; ?> --EXPECT-- *** Testing array_unshift() : two dimensional arrays for $array argument *** int(4) array(4) { [0]=> int(10) [1]=> array(3) { ["color"]=> string(3) "red" ["item"]=> string(3) "pen" ["place"]=> string(2) "LA" } [2]=> array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } [3]=> 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" } } int(6) array(6) { [0]=> int(10) [1]=> string(5) "hello" [2]=> string(5) "world" [3]=> array(3) { ["color"]=> string(3) "red" ["item"]=> string(3) "pen" ["place"]=> string(2) "LA" } [4]=> array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } [5]=> 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" } } int(4) array(4) { [0]=> int(10) ["color"]=> string(3) "red" ["item"]=> string(3) "pen" ["place"]=> string(2) "LA" } int(6) array(6) { [0]=> int(10) [1]=> string(5) "hello" [2]=> string(5) "world" ["color"]=> string(3) "red" ["item"]=> string(3) "pen" ["place"]=> string(2) "LA" } Done