Online PHP editor | refs for YXQka

<?php $originalObj = new A; class A { var $foo = 'default value'; } // Important note: If you remove the &, the bug disappears. function changeFooWithUnusedReference( &$unusedReferenceToFoo, $newValue ) { global $originalObj; $newObj = clone $originalObj; echo $originalObj->foo . "\n"; echo $newObj->foo . "\n"; $newObj->foo = $newValue; echo $originalObj->foo . "\n"; echo $newObj->foo . "\n"; } changeFooWithUnusedReference( $originalObj->foo, 'Some other value' ); gc_collect_cycles();