3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($max) { $i = 0; foreach ($i <= $max) { yield $i; $i++; } } print_r(foo(9));
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.22
Parse error: syntax error, unexpected ')' in /in/ppjGn on line 5
Process exited with code 255.
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193.4 ms | 1395 KiB | 58 Q