Say my function want to accept both string and integer. And if it is string, I convert it to int afterwards. Like function func(int|string $a) { echo is_string($a)?intval($a)+1:$a+1; } func(1344); func('1344');

Reputation: 1596

Can php have a mixed type hinting?

Say my function want to accept both string and integer. And if it is string, I convert it to int afterwards.

function func(int|string $a) {
    echo is_string($a)?intval($a)+1:$a+1;
}

func(1344);
func('1344');

Upvotes: 12

Reputation: 1098

The feature you asked for is in the proposal phase. See PHP RFC: Union Types.

Update

Mixed type has been ultimately accepted and introduced in PHP 8 released in November 2020.

Upvotes: 16

Reputation: 394

class B
{
    public function foo(mixed $value) {}
}

Upvotes: 4

Reputation: 12788

Union types RFC has been accepted and implemented for PHP 8.

Mixed type RFC is being voted on, but likely to pass at time of writing this answer.

Upvotes: 1