The PHP Operator that You Should Always Use

Hey,

There is a strategic PHP operator that you should always use in all your apps.
It's this one:

/* */

Yes, the comment operator.

Comments are like data backups.
We know they are important. But for some reason, we always want to think about them... later.
Only when it's too late, we realize how important they are.

This is what usually happens:

You write a nice piece of code.
You think that you will remember what that code does forever.
... time passes...
... and a few months later, when you need to reuse your code, you don't remember anything about it anymore.

Yes, writing comments takes time.
But trying to reuse your old, uncommented code? That takes much more time, for sure.

It's important to understand that comments are not just about good coding practices.

Above all, they are about productivity.

And for a web developer, productivity is really important (to say the least).
You see, during my years as a web developer I have learned this fact: you will reuse your own code a lot.

For example, very soon after my employment, I wrote a user management class.
Year after year, I have improved it many times and now I use it in most of my projects.
Thanks to that, I do not need to write a new authentication class every time, wasting many hours in the process.

Without comments, I could never have been able to keep working on the same code and save so much time.

Writing new code is one of the most time consuming activities. New code has to be implemented, tested, fixed and optimized.

If you want to stay competitive, you cannot waste your time writing the same code over and over again. Or worse, trying to understand how your own code works because you can't remember it.

This is what comments are really about: they let you grow your own code library and make it better and better with time.

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