ReflectionClass::isInstance

(PHP 5, PHP 7, PHP 8)

ReflectionClass::isInstanceChecks class for instance

Description

public ReflectionClass::isInstance(object $object): bool

Checks if an object is an instance of a class.

Parameters

object

The object being compared to.

Return Values

Returns true on success or false on failure.

Examples

Example #1 ReflectionClass::isInstance() related examples

<?php// Example usage$class = new ReflectionClass('Foo');if ($class->isInstance($arg)) {    echo "Yes";}// Equivalent toif ($arg instanceof Foo) {    echo "Yes";}// Equivalent toif (is_a($arg, 'Foo')) {    echo "Yes";}?>

The above example will output something similar to:

Yes
Yes
Yes

See Also