(PHP 5, PHP 7)
ReflectionClass::isInstance — 锟斤拷锟斤拷锟斤拷实锟斤拷
$object
) : bool锟斤拷锟斤拷锟斤拷锟角凤拷为一锟斤拷锟斤拷锟绞碉拷锟斤拷锟�
object锟斤拷锟饺较的讹拷锟斤拷
锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷
Example #1 ReflectionClass::isInstance() 锟斤拷锟斤拷锟斤拷锟�
<?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";
}
?>
锟斤拷锟斤拷锟斤拷锟教碉拷锟斤拷锟斤拷锟斤拷锟斤拷冢锟�
Yes Yes Yes