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 $current; } } for($i=0;$i<10;$i++){ echo doStuff()->current(); }
Output for 5.5.0 - 7.1.0
1111111111
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '1' (T_LNUMBER) in /in/4PTJn on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_LNUMBER in /in/4PTJn on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_LNUMBER in /in/4PTJn on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4PTJn on line 6
Process exited with code 255.