John Davidson

Message:

I am developing on a Wordpress website with my own php coding. So far I am using the Snippets plugin which I like most for adding PHP code to existing wordpress sites.

The only thing I would like to know is how i can use something like global constants to avoid hard-coded values. Because I am using the same values again and again. What is the best way?

Thank you for any help.
best,

---

My Answer:
One way to avoid hard-coded values in your PHP code is to define global constants. This way, you can define the values once and use them throughout your code without having to repeat them.

To define a global constant in WordPress, you can use the `define()` function. For example, you can define a constant for a specific value like this:

php
define('MY_CONSTANT', 'my_value');


You can then use this constant in your code like this:

php
echo MY_CONSTANT;


This way, if you ever need to change the value of `MY_CONSTANT`, you only need to do it in one place.

Another way to define global constants in WordPress is to use the `wp-config.php` file. You can define your constants there and they will be available throughout your WordPress site. Just make sure to define your constants before the line that says `/* That's all, stop editing! Happy blogging. */`.

I hope this helps! Let me know if you have any other questions.