3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function gen() { yield 1; yield 2; yield from gen2(); } function gen2() { yield 3; yield 4; } foreach (gen() as $val) { echo $val, PHP_EOL; } ?>
Output for 7.0.0 - 7.2.0
1 2 3 4
Output for 5.5.24 - 5.6.28
Parse error: syntax error, unexpected 'gen2' (T_STRING) in /in/2B6FW on line 6
Process exited with code 255.
Output for 5.4.10 - 5.4.45
Parse error: syntax error, unexpected '1' (T_LNUMBER) in /in/2B6FW on line 4
Process exited with code 255.
Output for 5.3.20 - 5.3.29
Parse error: syntax error, unexpected T_LNUMBER in /in/2B6FW on line 4
Process exited with code 255.