Know the Code

Developing & Empowering WordPress Developers

You are here: Home / Docx / array_diff_key

array_diff_key

The What

Syntax

array array_diff_key ( array $array1 , array $array2 [, array $... ] );

array_diff_key in PHP Manual

Description

The array_diff_key function compares the keys from array1 against the keys from array2 and returns the difference. This function is like array_diff() except the comparison is done on the keys instead of the values.

When was the last time you got out of your chair and stretched? Just saying…

More coming soon…keep checking back.

We're giving you the keys to build whatever you want in code.
Go Pro!

Know the Code develops and empowers professional WordPress developers, like you. We help you to grow, innovate, and prosper.

Join Now

Know the Code flies on WP Engine. Check out the managed hosting solutions from WP Engine.

WordPress® and its related trademarks are registered trademarks of the WordPress Foundation. The Genesis framework and its related trademarks are registered trademarks of StudioPress.
This website is not affiliated with or sponsored by Automattic, Inc., the WordPress Foundation, or the WordPress® Open Source Project.