original_string: protected function mysqlAesKey($key)
      {
          $newKey = str_repeat(chr(0), 16);
  
          for ($i = 0, $len = strlen($key); $i < $len; $i++) {
              $newKey[$i % 16] = $newKey[$i % 16] ^ $key[$i];
          }
  
          return $newKey;
      }
code: protected function mysqlAesKey($key)
      {
          $newKey = str_repeat(chr(0), 16);
  
          for ($i = 0, $len = strlen($key); $i < $len; $i++) {
              $newKey[$i % 16] = $newKey[$i % 16] ^ $key[$i];
          }
  
          return $newKey;
      }
code_tokens: protected function mysqlAesKey ( $ key ) { $ newKey = str_repeat ( chr ( 0 ) , 16 ) ; for ( $ i = 0 , $ len = strlen ( $ key ) ; $ i < $ len ; $ i ++ ) { $ newKey [ $ i % 16 ] = $ newKey [ $ i % 16 ] ^ $ key [ $ i ] ; } return $ newKey ; }
docstring: Converts the key into the MySQL equivalent version
  
  @param $key
  @return string
docstring_tokens: Converts the key into the MySQL equivalent version