3v4l.org

run code in 300+ PHP versions simultaneously
<?php function text2bin($text){ return implode("", array_map(function($v){ return (ctype_alpha($v) ? sprintf("%08d", decbin(ord($v))) : $v) . " "; }, str_split($text))); } echo text2bin("Hi");
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 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
01001000 01101001
preferences:
106.18 ms | 2285 KiB | 4 Q