--TEST-- Test extract() function (variation 1) --FILE-- <?php $val = 4; $str = "John"; debug_zval_dump($val); debug_zval_dump($str); /* Extracting Global Variables */ var_dump(extract($GLOBALS, EXTR_REFS)); debug_zval_dump($val); debug_zval_dump($str); echo "\nDone"; ?> --EXPECTF-- long(4) refcount(2) string(4) "John" refcount(2) int(%d) long(4) refcount(2) string(4) "John" refcount(2) Done