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