使用php在mysql中创建一个ip访问计数器

I am a very novice programmer and am just beginning to use php. I am using php to get the user ip store it in mysql. try inserting the ip to the mysql db. if it is already there then update the visit count. But none of my queries are working. It is returning that I am connected to my db This is what i have so far:I am a very novice programmer and am just begin