(PHP 5, PHP 7, PHP 8)
ReflectionClass::isInstance — Checks class for instance
public ReflectionClass::isInstance(object $object): bool
Checks if an object is an instance of a class.
objectThe object being compared to.
Example #1 ReflectionClass::isInstance() related examples
<?php
class Foo {}
$object = new Foo();
$reflection = new ReflectionClass('Foo');
if ($reflection->isInstance($object)) {
echo "Yes\n";
}
// Equivalent to
if ($object instanceof Foo) {
echo "Yes\n";
}
// Equivalent to
if (is_a($object, 'Foo')) {
echo "Yes";
}
?> The above example will output something similar to:
Yes Yes Yes
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https://www.php.net/manual/en/reflectionclass.isinstance.php