3v4l.org

run code in 300+ PHP versions simultaneously
<?php //line 2 //line 3 //line 4 //line 5 $s = new SplFileObject(__FILE__); $s->seek(12); $s->next(); var_dump($s->key()); var_dump($s->valid());
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(11) bool(false)
preferences:
259.96 ms | 404 KiB | 406 Q