php encryption/decryption function

php encryption/decryption function
Encryption/decryption function
Usage
var_dump(Fun::Jmen('aah',$_ENV['Only']));
var_dump(Fun::Jmun('ADYAsVzEX94%3D',$ _ENV['Only']));
Parameters:
$str: str type, content that needs to be encrypted or decrypted
$key: str type, key (the encryption and decryption keys must be the same)
Return:
str type , decrypted or decrypted content

/**
 Encryption/decryption function
 Usage
 var_dump(Fun::Jmen('aah',$_ENV['Only']));
 var_dump(Fun::Jmun('ADYAsVzEX94%3D',$_ENV['Only' ]));
 Parameters:
 $str: str type, the content that needs to be encrypted or decrypted
 $key: str type, key (the encryption and decryption keys must be the same)
 Return:
 str type, decryption or decryption completed The content of
/**/
public static function Jmen($str,$key){
 $encrypt_key=md5(mt_rand(0,100));$ctr=0;$tmp='';
 for ($i=0;$i
 if($ctr==strlen($encrypt_key)){$ctr=0;}$tmp.=substr($encrypt_key,$ctr ,1).(substr($str,$i,1) ^ substr($encrypt_key,$ctr,1));$ctr++;
 }
 unset($encrypt_key,$ctr,$str);
 return rawurlencode( base64_encode(self::_m_($tmp,$key)));
}
public static function Jmun($str,$key){
 $txt=self::_m_(base64_decode(rawurldecode($str)),$ key);$tmp='';
 for($i=0;$i
 unset($txt,$md5,$str,$key);
 return $tmp;
}
private static function _m_($txt, $key){
 $key=md5($key);$ctr=0;$tmp='';
 for($i=0;$i
 return $tmp;
}

php