check if a variable is undefined or NULL Referrer

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https://nyu.edu/

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SYTk7

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1

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uid: QVyfd
insdate: 2025-08-25 21:46:12
title: check if a variable is undefined or NULL Referrer
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url: https://nyu.edu/
linked_class: code
linked_uid: SYTk7
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views: 1
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md5: 70a7d51ffdfaa39aac1650635aa7b477

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Welcome

This is my test area for webdev. I keep a collection of code here, mostly for my reference. Also if i find a good link, i usually add it here and then forget about it. more...

You could also follow me on twitter. I have a couple of youtube channels if you want to see some video related content. RuneScape 3, Minecraft and also a coding channel here Web Dev.

If you found something useful or like my work, you can buy me a coffee here. Mmm Coffee. ☕

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🪦 2000 - 16 Oct 2022 - Boots
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You come to understand that most people are neither for you nor against you, they are thinking about themselves. You learn that no matter how hard you try to please, some people in this world are not going to love you, a lesson that is at first troubling and then really quite relaxing.” ​


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