What best practice should be followed to initialize the variable $thumbs in the PHP script?

To initialize the variable $thumbs in a PHP script, it is a best practice to assign an initial value to it before using it in any operations. This helps avoid potential errors related to using uninitialized variables. In this case, we can initialize $thumbs to an empty array to ensure it is set and ready for use.

// Initialize the $thumbs variable as an empty array
$thumbs = [];

// Now $thumbs can be used in the script without any issues