Know the Code

Developing & Empowering WordPress Developers

You are here: Home / Docx / array_change_key_case

array_change_key_case

The What

Syntax

array array_change_key_case ( array $array [, int $case = CASE_LOWER ] );

array_change_key_case in PHP Manual

Description

The array_change_key_case function’s role is to return an array with all keys from array lowercased or uppercased. Numbered indices are left as is.

Hey... hey you... yes you!... Having a good time? Learning new things? Good!

More coming soon…keep checking back.

We're giving you the keys to build whatever you want in code.
Get Started

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

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.