Question

How to initialize array to zero in PHP

Answer 1

//  array_fill(int $start_index, int $count, mixed $value): array

$arr = array_fill(0, 10, 0);

for ($i = 0; $i < 10; $i++) {
    echo $arr[$i] . "\n";
}





/*
run:

0
0
0
0
0
0
0
0
0
0

*/

 

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Answer 2

$N = 5;

$arr = array_fill(0, $N, 0);
 
print_r($arr);




/*
run:

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

 

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