--TEST-- GC 020: GC detach reference with assign --INI-- zend.enable_gc=1 --FILE-- <?php $a = array(); $a[0] =& $a; $a[1] = array(); $a[1][0] =& $a[1]; $a = 1; var_dump(gc_collect_cycles()); echo "ok\n" ?> --EXPECT-- int(1) ok