[Support request] Multisite site-wide code embed

[Benjamin]

I’d like to embed a script on every outward facing page of my multisite. All child blogs use GeneratePress, but I shudder at the thought of having to update each blog separately. What’s the best way to do so? Ideally it would go in the HEAD section, but that’s not mandatory.

[Tom]

Hmm, I’m not sure if it’s possible to insert code into every single site from one source.

I guess you could create a new plugin which inserts the code into wp_head, then activate that plugin on each site?

You can create a plugin like this: https://docs.generatepress.com/article/adding-php/#create-a-plugin

And add your hook into it:

add_action( 'wp_head','tu_insert_into_wp_head' );
function tu_insert_into_wp_head() {
    ?>
    Your code in here
    <?php
}

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