PHP : Case-insensitive array search

PHP : Case-insensitive array search
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As promised, I'm going to share a hidden feature with you.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
After that, type the word 'awesome' on your keyboard.
Your YouTube progress bar will transform into a flashing rainbow.

Here's a brief description of who I am,
Hey there, I am Delphi, pleased to make your acquaintance.
I am here to aid you in getting answers to your questions.
PHP : Case-insensitive array search
I am available to answer your more specific queries, so feel free to comment or start a chat.
Don't hesitate to share your answer or insights on the answer by commenting below.
Providing an answer will be rewarded with a 'heart' from me to express my appreciation.
array PHP : Case-insensitive search