3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php header('X-Custom-Header: test'); echo 'test'; register_shutdown_function(function () { var_dump( headers_sent() ); });
Output for 5.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
testbool(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/V6oA6 on line 6
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/V6oA6 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/V6oA6 on line 6
Process exited with code 255.