1--TEST-- 2Test extract() for overwrite of GLOBALS 3--FILE-- 4<?php 5$str = "John"; 6debug_zval_dump($GLOBALS["str"]); 7 8/* Extracting Global Variables */ 9$splat = array("foo" => "bar"); 10var_dump(extract(array("GLOBALS" => $splat, EXTR_OVERWRITE))); 11 12unset ($splat); 13 14debug_zval_dump($GLOBALS["str"]); 15 16echo "\nDone"; 17?> 18 19--EXPECTF-- 20string(4) "John" refcount(2) 21int(0) 22string(4) "John" refcount(2) 23 24Done