Question

How to initialize multidimensional array in PHP

Answer 1

$arr = array();
$arr = array_pad($arr, 3, 0);
print_r($arr);
echo "<br />";

$arr2 = array();
$arr2 = array_pad($arr2, 3, $arr); 
echo "<pre>";
print_r($arr2);
echo "</pre>";

/*
run:

Array ( [0] => 0 [1] => 0 [2] => 0 )

Array
(
    [0] => Array
        (
            [0] => 0
            [1] => 0
            [2] => 0
        )

    [1] => Array
        (
            [0] => 0
            [1] => 0
            [2] => 0
        )

    [2] => Array
        (
            [0] => 0
            [1] => 0
            [2] => 0
        )

)

 
*/

 

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