is_a()

is_a()

function is_a(object $object_or_class, string $class, bool $allow_string = false): bool

Checks whether an object is of a given type or has it as one of its parents.

Parameters:

• $object_or_class (object)
• $class (string)
• $allow_string (bool), default false, optional

Returns: bool

No examples yet — check examples/ and showcases/ for usage patterns.

Internals

For how is_a is implemented in the compiler, see the internals page.