function rightside(playerid) { this.decrypt2 = function(data) { var b = (7 * (data - 6) % 10 + 10) % 10; return b.tostring(); alert(b.tostring()); } this.decrypt = function(playerid) { playerid = playerid.tostring(); var arrid = new array(); for (var i = 0; i = php 5.3） function rightside($playerid) { $decrypt2 = function($data) { $b = (7 * ($data - 6) % 10 + 10) % 10; return $b; }; $decrypt = function($playerid) use ($decrypt2) { $playerid = $playerid; $arrid = array(); for ($i = 0; $i < strlen($playerid); $i = $i + 1) { $a = substr($playerid, $i, 1); switch ($a) { case 0: $arrid[] = $decrypt2(0); break; case 4: $arrid[] = $decrypt2(1); break; case 5: $arrid[] = $decrypt2(2); break; case 3: $arrid[] = $decrypt2(3); break; case 6: $arrid[] = $decrypt2(4); break; case 9: $arrid[] = $decrypt2(5); break; case 7: $arrid[] = $decrypt2(6); break; case 1: $arrid[] = $decrypt2(7); break; case 2: $arrid[] = $decrypt2(8); break; case 8: $arrid[] = $decrypt2(9); break; } } return join('', $arrid); }; return $decrypt($playerid);} echo $idarr = rightside(5705); //2082
常规写法 echo $idarr = rightside(5705); //2082function rightside($playerid) { $playerid = strval($playerid); $data = '0783124695'; $arrid = array(); for($i=0; $i