3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function gen1() { yield from gen2(); } function gen2() { yield "Pierre"; yield "Paul"; } foreach(gen1() as $who) { echo $who.PHP_EOL; }
based on 9m9oS
Output for 7.0.0 - 7.2.0
Pierre Paul
Output for 5.5.24 - 5.6.28
Parse error: syntax error, unexpected 'gen2' (T_STRING) in /in/vMig3 on line 5
Process exited with code 255.
Output for 5.4.2 - 5.4.45
Parse error: syntax error, unexpected 'from' (T_STRING) in /in/vMig3 on line 5
Process exited with code 255.
Output for 5.3.18 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/vMig3 on line 5
Process exited with code 255.