Online PHP editor | refs for 1q6Ll

<?php function change_obj($object) { $object->foo = 'bar'; } function replace_obj(&$object) { $object = new stdClass(); $object->foo = 'bar'; } function replace_obj_fail($object) { $object = new stdClass(); $object->foo = 'bar'; } $a = new stdClass(); change_obj($a); var_dump($a); $b = new stdClass(); replace_obj($b); var_dump($b); $c = new stdClass(); replace_obj_fail($c); var_dump($c);