3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $execute = function ($n){ foreach($n as $a) { yield $a; } }; if( !is_array( $execute ) && !$items instanceof Traversable ) { echo 'ddd'; } else { echo 'aaa'; } /*foreach(execute([1,2,5]) as $n){ echo $n.PHP_EOL; }*/
Output for 5.5.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Notice: Undefined variable: items in /in/TrDh1 on line 8 ddd
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$a' (T_VARIABLE) in /in/TrDh1 on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/TrDh1 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/TrDh1 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/TrDh1 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TrDh1 on line 2
Process exited with code 255.