--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-- int(4) string(4) "John" refcount(%d) int(%d) int(4) string(4) "John" refcount(%d) Done