--TEST-- Test array_chunk() function : basic functionality - defualt 'preserve_keys' --FILE-- 1, "key2" => 2, "key3" => 3), // associative arrays - key as numeric array(1 => 'one', 2 => "two", 3 => "three"), // array containing elements with/witout keys array(1 => 'one','two', 3 => 'three', 4, "five" => 5) ); $count = 1; // loop through each element of the array for input foreach ($input_arrays as $input_array){ echo "\n-- Iteration $count --\n"; var_dump( array_chunk($input_array, $size) ); $count++; } echo "Done" ?> --EXPECT-- *** Testing array_chunk() : basic functionality *** -- Iteration 1 -- array(3) { [0]=> array(2) { [0]=> int(1) [1]=> int(2) } [1]=> array(2) { [0]=> int(3) [1]=> int(4) } [2]=> array(1) { [0]=> int(5) } } -- Iteration 2 -- array(2) { [0]=> array(2) { [0]=> string(6) "value1" [1]=> string(6) "value2" } [1]=> array(1) { [0]=> string(6) "value3" } } -- Iteration 3 -- array(2) { [0]=> array(2) { [0]=> int(1) [1]=> int(2) } [1]=> array(1) { [0]=> int(3) } } -- Iteration 4 -- array(2) { [0]=> array(2) { [0]=> string(3) "one" [1]=> string(3) "two" } [1]=> array(1) { [0]=> string(5) "three" } } -- Iteration 5 -- array(3) { [0]=> array(2) { [0]=> string(3) "one" [1]=> string(3) "two" } [1]=> array(2) { [0]=> string(5) "three" [1]=> int(4) } [2]=> array(1) { [0]=> int(5) } } Done