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  1. <?php
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  3. echo $_SERVER['HTTP_USER_AGENT'];
Success #stdin #stdout #stderr 0.02s 24528KB
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PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/wTudaA/prog.php on line 3
https://ideone.com/Ebs17C
language:
PHP (php 7.3.5)
created:
4 years ago
visibility:
public

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