This tutorial will show you 11 powerful ways to debug WordPress and PHP errors. The first item in the list is the famous WP_Debug, and finally we’ll cover some more advanced methods.
First, let’s list the types of common PHP errors:
A – Notice: This is the least important error message you will see with PHP. It does not necessarily mean something is wrong, but there is possible improvement suggested.
Example: null element passed to a function that expect a string.
B – Warning: It’s a more severe error, but does not cause script termination.
Example: giving include() a file that does not exist.
C – Fatal error: This is a dangerous indicator of something going really wrong, and the script terminated.
Example: calling a non-existing function.
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