--TEST-- Cyclic array test --INI-- report_memleaks=0 --SKIPIF-- 7) { echo "skip requires php 7.x\n"; } --FILE-- array( 'b' => 'c', 'd' => 'e' ), ); $a['f'] = &$a; test('array', $a, false); $a = array("foo" => &$b); $b = array(1, 2, $a); $exp = $a; $act = igbinary_unserialize(igbinary_serialize($a)); ob_start(); var_dump($exp); $dump_exp = ob_get_clean(); ob_start(); var_dump($act); $dump_act = ob_get_clean(); if ($dump_act !== $dump_exp) { echo "Var dump differs:\n", $dump_act, "\n", $dump_exp, "\n"; } else { echo "Var dump OK\n"; } $act['foo'][1] = 'test value'; $exp['foo'][1] = 'test value'; if ($act['foo'][1] !== $act['foo'][2]['foo'][1]) { echo "Recursive elements differ:\n"; var_dump($act); var_dump($act['foo']); var_dump($exp); var_dump($exp['foo']); } ?> --EXPECT-- array 140211016114021101621101631101641101651101662514020e0001010e05250102 OK Var dump OK