--TEST-- Test serialize globals --SKIPIF-- = 80100) print "skip php >= 8.1\n"; // https://wiki.php.net/rfc/restrict_globals_usage ?> --FILE-- $_) { if ($key !== 'GLOBALS') { unset($GLOBALS[$key]); } } $ser = igbinary_serialize($GLOBALS); echo urlencode($ser) . "\n"; var_dump(igbinary_unserialize($ser)); $GLOBALS['globalVar'] = new stdClass(); $ser = igbinary_serialize($GLOBALS); echo urlencode($ser) . "\n"; var_dump(igbinary_unserialize($ser)); }); --EXPECTF-- %00%00%00%02%14%01%11%07GLOBALS%14%01%0E%00%01%01 array(1) { ["GLOBALS"]=> array(1) { ["GLOBALS"]=> *RECURSION* } } %00%00%00%02%14%02%11%07GLOBALS%14%02%0E%00%01%01%11%09globalVar%17%08stdClass%14%00%0E%01%22%02 array(2) { ["GLOBALS"]=> array(2) { ["GLOBALS"]=> *RECURSION* ["globalVar"]=> object(stdClass)#3 (0) { } } ["globalVar"]=> object(stdClass)#3 (0) { } }