3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = function($cnt) { for($i=1;$i<$cnt;$i++) { yield($i); } }; $gen = $a(100); while($b = $gen()) { echo $b; }
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Function name must be a string in /in/7oA4F:9 Stack trace: #0 {main} thrown in /in/7oA4F on line 9
Process exited with code 255.
Output for 5.5.24 - 5.6.21, hhvm-3.10.0 - 3.12.0
Fatal error: Function name must be a string in /in/7oA4F on line 9
Process exited with code 255.
Output for 5.3.0 - 5.4.45
Fatal error: Call to undefined function yield() in /in/7oA4F on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/7oA4F on line 2
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_FUNCTION in /in/7oA4F on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7oA4F on line 2
Process exited with code 255.