Considering the need to modify the files in functions.PHP and sidebar.php, please back up the files before starting, just in case.
Step 1: First look at the functions.php document. There is a piece of code in the file that starts like this:
Step 2: Delete this code and the corresponding closing bracket, and then add the following:
Step 3: This is the corresponding code of a sidebar. If you want two sidebar effects, add a sidebar code as follows:
If you want to display more sidebar, just copy the same code segment and change the number after sidebar 1/2.
After registering the necessary sidebar, there are three wiki boxes in wp-admin's wiki, and then you need to activate the sidebar so that it can be displayed in front of the blog.
Step 4: After opening the sidebar.php file, you will see a line like this:
Step 5: Delete it and add:
Step 6: The above code makes sidebar 1 displayed at the front end of the blog. To display both Sidebar 1 and Sidebar 2, add:
By analogy, to display sidebar345, please add the same code and change the number slightly.
Note: When modifying the functions.php file, please pay attention to delete the redundant right brackets or spaces.