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--TEST-- Test array_chunk() function : usage variations - array with diff. sub arrays --FILE-- <?php /* Prototype : array array_chunk(array $array, int $size [, bool $preserve_keys]) * Description: Split array into chunks * : Chunks an array into size large chunks * Source code: ext/standard/array.c */ /* * Testing array_chunk() function - input array containing different sub arrays */ echo "*** Testing array_chunk() : usage variations ***\n"; $size = 2; // input array $input_array = array ( "array1" => array(), "array2" => array(1, 2, 3), "array3" => array(1) ); echo "\n-- Testing array_chunk() by supplying an array containing different sub arrays & 'preserve_key' as defualt --\n"; var_dump( array_chunk($input_array, $size) ); echo "\n-- Testing array_chunk() by supplying an array containing different sub arrays & 'preserve_key' = true --\n"; var_dump( array_chunk($input_array, $size, true) ); echo "\n-- Testing array_chunk() by supplying an array containing different sub arrays & 'preserve_key' = false --\n"; var_dump( array_chunk($input_array, $size, false) ); echo "Done"; ?> --EXPECTF-- *** Testing array_chunk() : usage variations *** -- Testing array_chunk() by supplying an array containing different sub arrays & 'preserve_key' as defualt -- array(2) { [0]=> array(2) { [0]=> array(0) { } [1]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } } [1]=> array(1) { [0]=> array(1) { [0]=> int(1) } } } -- Testing array_chunk() by supplying an array containing different sub arrays & 'preserve_key' = true -- array(2) { [0]=> array(2) { ["array1"]=> array(0) { } ["array2"]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } } [1]=> array(1) { ["array3"]=> array(1) { [0]=> int(1) } } } -- Testing array_chunk() by supplying an array containing different sub arrays & 'preserve_key' = false -- array(2) { [0]=> array(2) { [0]=> array(0) { } [1]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } } [1]=> array(1) { [0]=> array(1) { [0]=> int(1) } } } Done