Turn Any Snippet Into a Stand-Alone WordPress Plugin

Sometimes you find (or write) a great little snippet of PHP code that makes WordPress do exactly what you want. But instead of pasting it into your theme’s functions.php file (where it will be lost upon a theme update), it’s often better to package it as a stand-alone plugin.

I’ve written before about using a functionality plugin (a single plugin where you collect multiple snippets). That’s still a great option if you like keeping everything in one place. But if you’d rather keep things separate — or you want to be able to toggle snippets on/off individually — turning a snippet into its own stand-alone plugin is the way to go.

Benefits of the stand-alone approach:

• It works no matter which theme you’re using.
• You can easily disable it without editing files.
• You won’t lose your changes during a theme update.

Think of it like wrapping your snippet up in its own little gift box. 🎁 Let’s get into it!

1. Create a New File

Open a plain text editor and create a new file. Name it something like: my-snippet-plugin.php and save it.

2. Add the Plugin Header
At the very top of the file, paste this standard WordPress plugin header (edit details as needed):

<?php
/**
 * Plugin Name: My Snippet Plugin
 * Description: A simple stand-alone plugin to run a custom snippet.
 * Version: 1.0
 * Author: Your Name
 * Author URI: https://yourwebsite.com
 */

3. Paste Your Snippet

Right below the header, add your snippet. For example:

// Disable product image zoom/lightbox
add_action( 'wp', function() {
    remove_theme_support( 'wc-product-gallery-zoom' );
    remove_theme_support( 'wc-product-gallery-lightbox' );
    remove_theme_support( 'wc-product-gallery-slider' );
});

4. Package as a Zip for Easy Dashboard Upload

Almost done! Just a few quick steps and you’ll have your snippet running as a plugin — no messy FTP required.

• Save your file.
• Zip it up (right-click → “Compress” or “Send to Zip” on most computers, so you end up with my-snippet-plugin.zip.
• In WordPress, go to Plugins → Add New → Upload Plugin.
• Upload your zip, click Install Now, then Activate Plugin.

Whether you prefer one big functionality plugin (your “sack of toys”) or a collection of little stand-alone plugins (lots of neatly wrapped presents), the important part is keeping your snippets safe and portable. That way, you can use them year after year without losing a single bit of holiday magic.