<?php
function encode($string, $alphabet)
{
foreach(str_split(strtolower($string)) as $char)
{
@$resp .= $alphabet[$char];
}
return $resp;
}
function decode($string, $alphabet)
{
foreach(str_split(strtolower($string)) as $char)
{
foreach($alphabet as $c => $r)
{
if ($char == $r) @$resp .= $c;
}
}
return $resp;
}
$a = range('a', 'z', 2);
foreach(range('a', 'z') as $char)
{
if (!in_array($char, $a)) $a[] = $char;
}
for ($c=0; $c<=25; $c++)
{
@$alphabet[range('a', 'z')[$c]] = $a[$c];
}
$alphabet[' '] = ' ';
echo encode('my name is dan', $alphabet) . "\n"; // yx bayi ql gab
echo decode('yx bayi ql gab', $alphabet);
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}