Can you explain the backslashes in the enqueue-scripts.php file?

[joshuaiz]

Hi Zac,

Loved your Treehouse courses and the Gutenberg course is great so far too.

I’m going through 04.01 and everything is pretty straightforward however I’ve never seen backslashes as you have in the enqueue-scripts.php file in the add_action sections:

add_action( 'enqueue_block_assets', __NAMESPACE__ . '\enqueue_assets' );
and
add_action( 'enqueue_block_assets', __NAMESPACE__ . '\enqueue_frontend_assets' );

Can you (or someone) explain why those backslashes are there and what they do?

Thanks!

[joshuaiz]

I found the answer: using namespacing in plugin development.

Here are some links for anyone else interested:

https://torquemag.io/2015/01/using-namespaces-wordpress-development/

https://code.tutsplus.com/tutorials/using-namespaces-and-autoloading-in-wordpress-plugins-part-1–cms-27157

[joshuaiz]

One more article that explains namespaces very well:

https://stevegrunwell.com/blog/php-namespaces-wordpress/

[Zac Gordon]

Yup! You figured it out 🙂 Just PHP names paces 🙂

[Author]

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