(PHP 5, PHP 7, PHP 8)
ReflectionClass::isInstance — Checks class for instance
$object
): boolChecks if an object is an instance of a class.
object
The object being compared to.
Returns true
on success or false
on failure.
Example #1 ReflectionClass::isInstance() related examples
<?php// Example usage$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