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<?php
/**
* Class AAEncoder
* @author Andrey Izman <[email protected]>
* @link https://github.com/mervick/php-aaencoder
* @license MIT
*/
/**
* Class AAEncoder
*/
class AAEncoder
{
/**
* Encode any JavaScript program to Japanese style emoticons (^_^)
* @param string $js
* @param int $level [optional]
* @return string
*/
public static function encode($js, $level=0)
{
$result = "ﾟωﾟﾉ= /｀ｍ´）ﾉ ~┻━┻ //*´∇｀*/ ['_']; o=(ﾟｰﾟ) =_=3; c=(ﾟΘﾟ) =(ﾟｰﾟ)-(ﾟｰﾟ); " .
"(ﾟДﾟ) =(ﾟΘﾟ)= (o^_^o)/ (o^_^o);" .
"(ﾟДﾟ)={ﾟΘﾟ: '_' ,ﾟωﾟﾉ : ((ﾟωﾟﾉ==3) +'_') [ﾟΘﾟ] " .
",ﾟｰﾟﾉ :(ﾟωﾟﾉ+ '_')[o^_^o -(ﾟΘﾟ)] " .
",ﾟДﾟﾉ:((ﾟｰﾟ==3) +'_')[ﾟｰﾟ] }; (ﾟДﾟ) [ﾟΘﾟ] =((ﾟωﾟﾉ==3) +'_') [c^_^o];" .
"(ﾟДﾟ) ['c'] = ((ﾟДﾟ)+'_') [ (ﾟｰﾟ)+(ﾟｰﾟ)-(ﾟΘﾟ) ];" .
"(ﾟДﾟ) ['o'] = ((ﾟДﾟ)+'_') [ﾟΘﾟ];" .
"(ﾟoﾟ)=(ﾟДﾟ) ['c']+(ﾟДﾟ) ['o']+(ﾟωﾟﾉ +'_')[ﾟΘﾟ]+ ((ﾟωﾟﾉ==3) +'_') [ﾟｰﾟ] + " .
"((ﾟДﾟ) +'_') [(ﾟｰﾟ)+(ﾟｰﾟ)]+ ((ﾟｰﾟ==3) +'_') [ﾟΘﾟ]+" .
"((ﾟｰﾟ==3) +'_') [(ﾟｰﾟ) - (ﾟΘﾟ)]+(ﾟДﾟ) ['c']+" .
"((ﾟДﾟ)+'_') [(ﾟｰﾟ)+(ﾟｰﾟ)]+ (ﾟДﾟ) ['o']+" .
"((ﾟｰﾟ==3) +'_') [ﾟΘﾟ];(ﾟДﾟ) ['_'] =(o^_^o) [ﾟoﾟ] [ﾟoﾟ];" .
"(ﾟεﾟ)=((ﾟｰﾟ==3) +'_') [ﾟΘﾟ]+ (ﾟДﾟ) .ﾟДﾟﾉ+" .
"((ﾟДﾟ)+'_') [(ﾟｰﾟ) + (ﾟｰﾟ)]+((ﾟｰﾟ==3) +'_') [o^_^o -ﾟΘﾟ]+" .
"((ﾟｰﾟ==3) +'_') [ﾟΘﾟ]+ (ﾟωﾟﾉ +'_') [ﾟΘﾟ]; " .
"(ﾟｰﾟ)+=(ﾟΘﾟ); (ﾟДﾟ)[ﾟεﾟ]='\\\\'; " .
"(ﾟДﾟ).ﾟΘﾟﾉ=(ﾟДﾟ+ ﾟｰﾟ)[o^_^o -(ﾟΘﾟ)];" .
"(oﾟｰﾟo)=(ﾟωﾟﾉ +'_')[c^_^o];" .
"(ﾟДﾟ) [ﾟoﾟ]='\\\"';" .
"(ﾟДﾟ) ['_'] ( (ﾟДﾟ) ['_'] (ﾟεﾟ+" .
"/*´∇｀*/(ﾟДﾟ)[ﾟoﾟ]+ ";
for ($i = 0, $len = mb_strlen($js); $i < $len; $i++) {
$code = unpack('N', mb_convert_encoding(mb_substr($js, $i, 1, 'UTF-8'), 'UCS-4BE', 'UTF-8'))[1];
$text = '(ﾟДﾟ)[ﾟεﾟ]+';
if ($code <= 127) {
$text .= preg_replace_callback('/([0-7])/', function($match) use ($level) {
$byte = intval($match[1]);
return ($level ? self::randomize($byte, $level) : self::$bytes[$byte]) . '+';
}, decoct($code));
}
else {
$hex = str_split(substr('000' . dechex($code), -4));
$text .= "(oﾟｰﾟo)+ ";
for ($i = 0, $len = count($hex); $i < $len; $i++) {
$text .= self::$bytes[hexdec($hex[$i])] . '+ ';
}
}
$result .= $text;
}
$result .= "(ﾟДﾟ)[ﾟoﾟ]) (ﾟΘﾟ)) ('_');";
return $result;
}
/**
* @var array
*/
protected static $bytes = [
"(c^_^o)",
"(ﾟΘﾟ)",
"((o^_^o) - (ﾟΘﾟ))",
"(o^_^o)",
"(ﾟｰﾟ)",
"((ﾟｰﾟ) + (ﾟΘﾟ))",
"((o^_^o) +(o^_^o))",
"((ﾟｰﾟ) + (o^_^o))",
"((ﾟｰﾟ) + (ﾟｰﾟ))",
"((ﾟｰﾟ) + (ﾟｰﾟ) + (ﾟΘﾟ))",
"(ﾟДﾟ) .ﾟωﾟﾉ",
"(ﾟДﾟ) .ﾟΘﾟﾉ",
"(ﾟДﾟ) ['c']",
"(ﾟДﾟ) .ﾟｰﾟﾉ",
"(ﾟДﾟ) .ﾟДﾟﾉ",
"(ﾟДﾟ) [ﾟΘﾟ]",
];
/**
* @param int $byte
* @param int $level
* @return string
*/
protected static function randomize($byte, $level)
{
$random = [
0 => [['+0', '-0'], ['+1', '-1'], ['+3', '-3'], ['+4', '-4']],
1 => [['+1', '-0'], ['+3', '-1', '-1'], ['+4', '-3']],
2 => [['+3', '-1'], ['+4', '-3', '+1'], ['+3', '+3', '-4']],
3 => [['+3', '-0'], ['+4', '-3', '+1', '+1']],
4 => [['+4', '+0'], ['+1', '+3'], ['+4', '-0']],
5 => [['+3', '+1', '+1'], ['+4', '+1'], ['+3', '+3', '-1']],
6 => [['+3', '+3'], ['+4', '+1', '+1'], ['+4', '+3', '-1']],
7 => [['+3', '+4'], ['+3', '+3', '+1'], ['+4', '+4', '-1']],
];
while ($level--) {
$byte = preg_replace_callback('/[0-7]/', function($match) use ($random) {
$numbers = $random[$match[0]][mt_rand(0, count($random[$match[0]]) - 1)];
shuffle($numbers);
$byte = ltrim(implode('', $numbers), '+');
return "($byte)";
}, $byte);
}
$byte = str_replace('+-', '-', $byte);
return str_replace(array_keys(self::$bytes), self::$bytes, $byte);
}
}