--TEST-- Cloning GMP instances --SKIPIF-- <?php if (!extension_loaded("gmp")) print "skip"; ?> --FILE-- <?php $a = gmp_init(3); $b = clone $a; gmp_clrbit($a, 0); var_dump($a, $b); // $b should be unaffected ?> --EXPECTF-- object(GMP)#1 (1) { ["num"]=> string(1) "2" } object(GMP)#2 (1) { ["num"]=> string(1) "3" }