WordPress Download failed Could not open handle for fopen()

Are you getting this error message? Download failed. Could not open handle for fopen(), when you try to update WordPress, install & update plugin. Solve this problem by adding one line of code.

How to Get Post Category Name and URL in WordPress

Learn how you can display the categories in the post details page in WordPress. Use the get_the_category() function to get the categories data (name, slug, url, etc) of the current post.