Question

How to empty a 2D array in PHP

Answer 1

$arr = array(
    array(11, 32, 13),
    array(20, 80, 990),
);

print_r($arr);

$arr = [[]];        

print_r($arr);



/*
run:

Array
(
    [0] => Array
        (
            [0] => 11
            [1] => 32
            [2] => 13
        )

    [1] => Array
        (
            [0] => 20
            [1] => 80
            [2] => 990
        )

)
Array
(
    [0] => Array
        (
        )

)

*/

 

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