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<?php var_dump(explode('&',"http://check.ptlogin2.qq.com/check?pt_tea=1&uin=2987998747&appid=46000101&ptlang=2052&r=0.7108137647155672 "));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(5) { [0]=> string(43) "http://check.ptlogin2.qq.com/check?pt_tea=1" [1]=> string(14) "uin=2987998747" [2]=> string(14) "appid=46000101" [3]=> string(11) "ptlang=2052" [4]=> string(21) "r=0.7108137647155672 " }

preferences:
231.84 ms | 406 KiB | 341 Q