3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = new SplFileObject(__FILE__); $f->seek(0); echo $f->fgets(); $f->seek(1); echo $f->fgets(); $f->seek(2); echo $f->fgets();
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
<?php $f = new SplFileObject(__FILE__); $f->seek(0);
Output for 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 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0
<?php $f->seek(0); echo $f->fgets();
preferences:
109.95 ms | 408 KiB | 5 Q