3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function f() { echo yield -1; } $g = f(); foreach ($g as $i) {}
based on vWrG1
Output for 7.0.0 - 7.3.0rc3
Output for hhvm-3.15.4
Fatal error: Uncaught Error: syntax error, unexpected T_YIELD in /in/d0qlL:4 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
-1