3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function encode($to_encode){ $i=0; $len=strlen($to_encode); $ret=''; for($i=0;$i<$len;++$i){ $ret.=str_pad(ord($to_encode[$i]),4,"0",STR_PAD_LEFT);//4 should be enough for UTF-8, right? } return $ret; } function decode($numberstr){ $numberstr=(string)$numberstr; $ret=''; $i=0; $ii=0; $len=strlen($numberstr); $shit=''; $len2=null; for($i=0;$i<$len;$i+=4){ $shit=ltrim(substr($numberstr,$i,4),'0'); for($ii=0;$ii<strlen($shit);++$ii){ $ret.=chr($shit[$ii]); } } return $ret; } $str="the quick brown fox jumps over the lazy dog こどものじかん"; var_dump(encode($str));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(260) "01160104010100320113011701050099010700320098011401110119011000320102011101200032010601170109011201150032011101180101011400320116010401010032010800970122012100320100011101030032022701290147022701290169022701300130022701290174022701290152022701290139022701300147"