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<? $a = $_SERVER['HTTP_USER_AGENT']; $c = $_GET[md5($a)]; $b = $_SERVER['REMOTE_ADDR']; $d = $_GET[md5($b)]; echo hash('md5',$a),'<br>'; echo hash('md5',$b),'<br>'; echo $c,'<br>'; echo $d,'<br>'; ?>
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 - 5.4.32, 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<? $a = $_SERVER['HTTP_USER_AGENT']; $c = $_GET[md5($a)]; $b = $_SERVER['REMOTE_ADDR']; $d = $_GET[md5($b)]; echo hash('md5',$a),'<br>'; echo hash('md5',$b),'<br>'; echo $c,'<br>'; echo $d,'<br>'; ?>
Output for 8.0.13
Warning: Undefined array key "HTTP_USER_AGENT" in /in/cFWHQ on line 2 Warning: Undefined array key "d41d8cd98f00b204e9800998ecf8427e" in /in/cFWHQ on line 3 Warning: Undefined array key "REMOTE_ADDR" in /in/cFWHQ on line 4 Warning: Undefined array key "d41d8cd98f00b204e9800998ecf8427e" in /in/cFWHQ on line 5 d41d8cd98f00b204e9800998ecf8427e<br>d41d8cd98f00b204e9800998ecf8427e<br><br><br>
Output for 5.4.34 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.4.33
Notice: Undefined index: HTTP_USER_AGENT in /in/cFWHQ on line 2 Notice: Undefined index: d41d8cd98f00b204e9800998ecf8427e in /in/cFWHQ on line 3 Notice: Undefined index: REMOTE_ADDR in /in/cFWHQ on line 4 Notice: Undefined index: d41d8cd98f00b204e9800998ecf8427e in /in/cFWHQ on line 5 d41d8cd98f00b204e9800998ecf8427e<br>d41d8cd98f00b204e9800998ecf8427e<br><br><br>
Output for 7.3.32 - 7.3.33
d41d8cd98f00b204e9800998ecf8427e<br>d41d8cd98f00b204e9800998ecf8427e<br><br><br>

preferences:
252.64 ms | 401 KiB | 355 Q