使用MySQL和PHP解码表情符号

I need to decode emojis based on the standard native emoji code. I use an MySQL database. (I attach the photos). He has built a table compatible with the native emoji code.

Surely there are better systems than this. I created this system to give the possibility to insert emojis directly from the keyboard of mobile devices.

I would also like suggestions for using different systems, but they must be able to work on the keyboard mobile devices.

the problem is that it does not decode all the icons, especially those with a combined code like these:

---> (258, '