ReflectionClass::isInstance
(PHP 5)
ReflectionClass::isInstance — Checks class for instance
Description
public bool ReflectionClass::isInstance
( object
$object
)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($arg)) {
echo "Yes";
}
// Equivalent to
if ($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
See Also
- ReflectionClass::isInterface() - Checks if the class is an 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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