3v4l.org

run code in 300+ PHP versions simultaneously
<?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 $n.PHP_EOL; }*/
Output for 5.4.0 - 5.4.30
Parse error: syntax error, unexpected '$a' (T_VARIABLE) in /in/t2M5S on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE in /in/t2M5S on line 4
Process exited with code 255.

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