3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = time(); $l = 10; foreach(array(2,8,10,16,24,32) as $base) echo str_pad($base, 2).' '.str_pad(base_convert($t, 10, $base), $l)."\n"; echo str_pad(64, 2).' '.str_pad(base64_encode(pack('I', $t)), $l)."\n";
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 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 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
2 1010001010000000100010111110101 8 12120042765 10 1363166709 16 514045f5 24 734ggkl 32 18k0hfl 64 9UVAUQ==
preferences:
218.03 ms | 404 KiB | 325 Q