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<?php echo $_SERVER['HTTP_USER_AGENT']; ?> <pre> <?php print_r($_SERVER); ?> </pre>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key "HTTP_USER_AGENT" in /in/q1dE9 on line 2 <pre> Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => /in/q1dE9 [SCRIPT_NAME] => /in/q1dE9 [SCRIPT_FILENAME] => /in/q1dE9 [PATH_TRANSLATED] => /in/q1dE9 [DOCUMENT_ROOT] => [REQUEST_TIME_FLOAT] => 1391692259.0001 [REQUEST_TIME] => 1391692259 [argv] => Array ( [0] => /in/q1dE9 ) [argc] => 1 ) </pre>
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined index: HTTP_USER_AGENT in /in/q1dE9 on line 2 <pre> Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => /in/q1dE9 [SCRIPT_NAME] => /in/q1dE9 [SCRIPT_FILENAME] => /in/q1dE9 [PATH_TRANSLATED] => /in/q1dE9 [DOCUMENT_ROOT] => [REQUEST_TIME_FLOAT] => 1391692259.0001 [REQUEST_TIME] => 1391692259 [argv] => Array ( [0] => /in/q1dE9 ) [argc] => 1 ) </pre>
Output for 7.3.32 - 7.3.33, 7.4.26
<pre> Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => /in/q1dE9 [SCRIPT_NAME] => /in/q1dE9 [SCRIPT_FILENAME] => /in/q1dE9 [PATH_TRANSLATED] => /in/q1dE9 [DOCUMENT_ROOT] => [REQUEST_TIME_FLOAT] => 1391692259.0001 [REQUEST_TIME] => 1391692259 [argv] => Array ( [0] => /in/q1dE9 ) [argc] => 1 ) </pre>
Output for 5.3.0 - 5.3.29
Notice: Undefined index: HTTP_USER_AGENT in /in/q1dE9 on line 2 <pre> Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => /in/q1dE9 [SCRIPT_NAME] => /in/q1dE9 [SCRIPT_FILENAME] => /in/q1dE9 [PATH_TRANSLATED] => /in/q1dE9 [DOCUMENT_ROOT] => [REQUEST_TIME] => 1391692259 [argv] => Array ( [0] => /in/q1dE9 ) [argc] => 1 ) </pre>
Output for 5.2.3 - 5.2.17
Notice: Undefined index: HTTP_USER_AGENT in /in/q1dE9 on line 2 <pre> Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => /in/q1dE9 [SCRIPT_NAME] => /in/q1dE9 [SCRIPT_FILENAME] => /in/q1dE9 [PATH_TRANSLATED] => /in/q1dE9 [DOCUMENT_ROOT] => [REQUEST_TIME] => 1391692259 [argv] => Array ( [0] => /in/q1dE9 ) [argc] => 1 ) </pre>
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
Notice: Undefined index: HTTP_USER_AGENT in /in/q1dE9 on line 2 <pre> Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => [REQUEST_TIME] => 1391692259 [argv] => Array ( [0] => /in/q1dE9 ) [argc] => 1 ) </pre>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
Notice: Undefined index: HTTP_USER_AGENT in /in/q1dE9 on line 2 <pre> Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => [argv] => Array ( [0] => /in/q1dE9 ) [argc] => 1 ) </pre>

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