(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
<?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() -
is_a() -
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