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<?php $q = '\'; drop table `user`'; echo strtolower(htmlentities(urlencode(($q)))); echo filter_var($q, FILTER_SANITIZE_STRING);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
%27%3b+drop+table+%60user%60 Deprecated: Constant FILTER_SANITIZE_STRING is deprecated in /in/nHFKF on line 6 &#39;; drop table `user`
Output for 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 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
%27%3b+drop+table+%60user%60&#39;; drop table `user`
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
%27%3b+drop+table+%60user%60 Fatal error: Call to undefined function filter_var() in /in/nHFKF on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
%27%3b+drop+table+%60user%60 Fatal error: Call to undefined function: filter_var() in /in/nHFKF on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
%27%3b+drop+table+%60user%60 Fatal error: Call to undefined function: filter_var() in /in/nHFKF on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
%27%3b+drop+table+%60user%60 Fatal error: Call to undefined function: filter_var() in /in/nHFKF on line 6

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