How to realize keyword Red tracing in php

This article mainly explains "how to achieve keyword tracing in php". The explanation in this article is simple and clear, easy to learn and understand. Please follow the ideas of Xiaobian slowly and deeply to study and learn "how to achieve keyword tracing in php" together!

Php to achieve keyword tracing methods: 1, get the keyword text input from the text box;2, connect the database and query;3, the query results cycle display;4, with str_replace function will be one of the keyword text replaced with red text can be.

Operating environment: Windows 7 system, PHP7.1 version, DELL G3 computer

How does php achieve keyword tracing?

PHP implementation of keyword search after tracing function example

Examples of this article describes PHP to achieve keyword search after tracing function. Share it for your reference, as follows:

At the beginning of learning php, I was curious about the keyword tracing after searching, but these days when I consolidated the php foundation, I found that it was not difficult to achieve such an effect. As usual, let's first show you the renderings.

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database related

The database name is book, and there is only one database table, also book, simulating 5 pieces of data.

The name field is the title of the book, and the description field is the description of the book.

code

Please enter keywords: