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ReflectionClass::isInstance

(PHP 5, PHP 7)
Checks class for instance
public bool ReflectionClass::isInstance ( object $object )

Checks if an object is an instance of a class.

Parameters:
object

The object being compared to.

Returns:

Returns TRUE on success or FALSE on failure.

Examples:
ReflectionClass::isInstance() related examples
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<?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() -

Type operators (instanceof) -

Object Interfaces -

is_a() -

doc_php
doc_php
2025-01-10 15:47:30
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