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run code in 150+ php & hhvm versions
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<?php $_POST = [ 'ajax_app' => 'messages', 'content' => 'ÄÜP=?', // ...... 'mail' => [ // Hier ist der Hund begraben ],]; var_dump(filter_var_array($_POST,FILTER_SANITIZE_FULL_SPECIAL_CHARS));
based on o31CV
Output for 5.6.8 - 7.1.0
array(3) { ["ajax_app"]=> string(8) "messages" ["content"]=> string(15) "&Auml;&Uuml;P=?" ["mail"]=> array(0) { } }
Output for 5.4.18 - 5.5.35
array(3) { ["ajax_app"]=> string(8) "messages" ["content"]=> string(21) "&Atilde;�&Atilde;�P=?" ["mail"]=> array(0) { } }
Output for 5.4.0 - 5.4.17
array(3) { ["ajax_app"]=> string(8) "messages" ["content"]=> string(7) "ÄÜP=?" ["mail"]=> array(0) { } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/PlSA6 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/PlSA6 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/PlSA6 on line 4
Process exited with code 255.