← All built-ins / array_unshift()
array_unshift()
array_unshift(...$args): int
Parameters
| Name | Type | Description |
|---|---|---|
| $a | array | array (by reference) |
| $... | mixed | values to prepend |
Return value
New element count.
Example
$a = [2, 3];
$n = array_unshift($a, 0, 1);
echo $n, " ", implode(",", $a);4 0,1,2,3