3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php // Everything you enter here will be executed by our servers. Try it! function doStuff() { $last = 0; $current = 1; yield 1; while (true) { $current = $last + $current; $last = $current - $last; yield $current; } } for(int $i=0;$i<10;$i++){ var_dump(doStuff()); }
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '1' (T_LNUMBER) in /in/rkNOP on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_LNUMBER in /in/rkNOP on line 6
Process exited with code 255.