PHP encryption and decryption enhanced version-PHP source code

PHP encryption and decryption enhanced version

 Enkey = $ key ;}// set the key http://blog.ddian.cn public function set_key ($ key) {$ this-> enkey = $ key;} private function keyED ($ txt, $ encrypt_key) {$ encrypt_key = md5 ($ encrypt_key); $ ctr = 0; $ tmp = ""; for ($ I = 0; $ I
 
  
Enkey;} srand (double) microtime () * 1000000); $ encrypt_key = md5 (rand (); $ ctr = 0; $ tmp = ""; for ($ I = 0; $ I
  
   
KeyED ($ tmp, $ key); $ r = str_replace ('=', $ this-> rep_char, $ r); return $ r ;} // decrypt the public function decrypt ($ txt, $ key = '') {$ txt = str_replace ($ this-> rep_char, '=', $ txt ); $ txt = base64_decode ($ txt); if (! $ Key) {$ key = $ this-> enkey;} $ txt = $ this-> keyED ($ txt, $ key); $ tmp = ""; for ($ I = 0; $ I
   
    
                   
    
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