3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?phpecho 'ok';
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.1.7
Parse error: syntax error, unexpected ''ok'' (T_CONSTANT_ENCAPSED_STRING) in /in/YhMkO on line 1
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: <?php directive must be followed by whitespace, newline, or EOF (Line: 1, Char: 5) syntax error, unexpected T_HH_ERROR, expecting $end in /in/YhMkO:1 Stack trace: #0 {main}
Process exited with code 255.