Question

How to pad an array to a specified length with a given value in PHP

Answer 1

$arr = array(1, 2, 3);
$arr_1 = array_pad($arr, 6, 0);
print_r($arr_1); 
echo "\n";
 
$arr = array(1, 2, 3, 4);
$arr_1 = array_pad($arr, 7, 10);
print_r($arr_1); 
echo "\n";
 
$arr = array(1, 2, 3);
$arr_1 = array_pad($arr, -6, -3);
print_r($arr_1); 
echo "\n";
 

 
/*
run:
 
Array
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 0
    [4] => 0
    [5] => 0
)

Array
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [4] => 10
    [5] => 10
    [6] => 10
)

Array
(
    [0] => -3
    [1] => -3
    [2] => -3
    [3] => 1
    [4] => 2
    [5] => 3
) 
  
*/

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