(PHP 5, PHP 7)
ReflectionClass::isInstance — Checks class for instance
public ReflectionClass::isInstance ( object $object ) : bool
Checks 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($arg)) {
echo "Yes";
}
// Equivalent to
if ($arg instanceof Foo) {
echo "Yes";
}
// Equivalent to
if (is_a($arg, '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