3v4l.org

run code in 300+ PHP versions simultaneously
<?php function encode($str) { $str = mb_convert_encoding($str , 'UTF-32', 'UTF-8'); //big endian $split = str_split($str, 4); $res = ""; foreach ($split as $c) { $cur = 0; for ($i = 0; $i < 4; $i++) { $cur |= ord($c[$i]) << (8*(3 - $i)); } $res .= "&#" . $cur . ";"; } return $res; } //echo encode("mailto:liisa@finnanimation.fi"); var_dump(1 % 3); var_dump(2 % 3); var_dump(3 % 3); var_dump(4 % 3); var_dump(5 % 3);
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 - 5.6.28, 7.0.0 - 7.0.20, 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(1) int(2) int(0) int(1) int(2)
preferences:
243.08 ms | 406 KiB | 400 Q