3v4l.org

run code in 300+ PHP versions simultaneously
<?php a = function($cnt) { foreach($i=1;$i<$cnt;$i++) { yield($i); } } while($b = $a(100)) { echo $b; }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.23
Parse error: syntax error, unexpected '=' in /in/Cqj9W on line 2
Process exited with code 255.

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182.45 ms | 1399 KiB | 60 Q