3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function generates() { $a = (yield 1); $b = (yield 2); assert($b != null); yield 1; } $g = generates(); foreach ($g as $val) { $g->send($val); }
Output for 7.0.0 - 7.2.0
Warning: assert(): assert($b != null) failed in /in/tYN2p on line 8
Output for 5.5.24 - 5.6.28
Warning: assert(): Assertion failed in /in/tYN2p on line 8
Output for 5.4.1 - 5.4.45
Parse error: syntax error, unexpected '1' (T_LNUMBER) in /in/tYN2p on line 5
Process exited with code 255.
Output for 5.3.18 - 5.3.29
Parse error: syntax error, unexpected T_LNUMBER in /in/tYN2p on line 5
Process exited with code 255.