3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generator() { for($i = 0 ; $i <= 20 ; $i++) { yield $i; } } $generator = generator(); $callback = function($value) { return !($value % 2); } foreach(new CallbackFilterIterator($generator , $callback) as $value) { echo $value."\n"; }
Output for 7.1.0 - 7.1.16, 7.2.0 - 7.2.4
Parse error: syntax error, unexpected 'foreach' (T_FOREACH) in /in/IlL7Z on line 18
Process exited with code 255.
preferences:
170.49 ms | 1395 KiB | 29 Q