3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function f() { echo yield -1; }
based on 7Aih7
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.2.6
Output for hhvm-3.15.4
Fatal error: Uncaught Error: syntax error, unexpected T_YIELD in /in/07Q4j:4 Stack trace: #0 {main}
Process exited with code 255.