3v4l.org

run code in 300+ PHP versions simultaneously
<?php $max = 32767; $n = 20; $step = intval($max/$n); for ($i=0; $i<=$n; $i++) { echo base64_encode(pack('N', $i*$step)) . "\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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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
AAAAAA== AAAGZg== AAAMzA== AAATMg== AAAZmA== AAAf/g== AAAmZA== AAAsyg== AAAzMA== AAA5lg== AAA//A== AABGYg== AABMyA== AABTLg== AABZlA== AABf+g== AABmYA== AABsxg== AABzLA== AAB5kg== AAB/+A==

preferences:
267.44 ms | 406 KiB | 326 Q