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run code in 200+ php & hhvm versions
Bugs & Features
test <?php echo 'test'; header('X-Custom-Header: test'); register_shutdown_function(function () { var_dump( headers_sent() ); });
Output for 7.0.20, 7.1.5 - 7.2.6
test test Warning: Cannot modify header information - headers already sent by (output started at /in/sr5as:1) in /in/sr5as on line 5 bool(true)
Output for 5.3.0 - 7.0.14, 7.1.0
test test Warning: Cannot modify header information - headers already sent by (output started at /in/sr5as:2) in /in/sr5as on line 5 bool(true)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/sr5as on line 7
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 T_FUNCTION, expecting ')' in /in/sr5as on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/sr5as on line 7
Process exited with code 255.