Today I Learned How To do some PHP magic

I can fiddle my way around PHP and make things work, that is, as long as it is someone else’s code.

Today I was struggling with a WordPress Plugin that refused to behave when I wanted to save changes in it’s Admin panel.

The code just would not behave.

Possibly an issue with the current version?

Anyway, I tracked down the code element.

action="<?php echo $_SERVER['HTTP_HOST'] . '?page=' . basename(__FILE__); ?>&updated=true">

For one thing, this is a security issue, so I updated it to this:

action="<?php echo admin_url( 'admin.php?page=' . plugin_basename( __FILE__ ) ); ?>&updated=true">

But that failed. After 30 mins of madness and frustration, I dropped the “plugin_” from “basename” and all was good.

action="<?php echo admin_url( 'admin.php?page=' . basename( __FILE__ ) ); ?>&updated=true">

What does it mean? I have no idea, I just know it works, and I learned it from Lester Chan. Thanks, Lester!

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