ReflectionClass::isFinalReflectionClass::isInstance
(PHP 5)
ReflectionClass::isInstance — Checks class for instance
Descrierea
public bool ReflectionClass::isInstance
( object $object
)
Checks if an object is an instance of a class.
Parametri
- object
-
The object being compared to.
Valorile întroarse
Întoarce valoarea TRUE în cazul succesului sau FALSE în cazul eşecului.
Exemple
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";
}
?>
Exemplul de mai sus va afişa ceva similar cu:
Yes Yes Yes
Vedeţi de asemenea
- ReflectionClass::isInterface - Checks if interface
- Type operators (instanceof)
- Object Interfaces
- is_a() - Checks if the object is of this class or has this class as one of its parents
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