Php search function

: This article mainly introduces the php search function. if you are interested in the PHP Tutorial, you can refer to it. I am very upset recently and don't know how to start learning a piece of code. so I want to write more things for future review.

Recently, after reading the search function for several days, I want to modify and optimize the search function of phpcms, but I have no clue at all. maybe I have slept too Late recently, so I will rewrite the simple search function, sort out the ideas.

For simple search, you only need to construct the query statement.

$ SQL = "SELECT * FROMsqlWHERE $ ziduan LIKE '% $ content % '"

After constructing the SQL database query, you can execute the database query.

$ Rs = $ db-> query ($ SQL); $ rsNum = $ rs-> num_rows; // return the number of queried rows echo "$ rsNum records found in this query ";

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The above introduces the php search function, including some content, and hopes to help those who are interested in the PHP Tutorial.