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patriciogonzalezvivo / thebookofshaders

Step-by-step guide through the abstract and complex universe of Fragment Shaders.
http://TheBookOfShaders.com
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fix `undefined array key "lan"` error #367

Closed alecmolloy closed 2 years ago

alecmolloy commented 2 years ago

was getting the following error from a clean build using php 8.1.2:

"Warning: Undefined array key "lan" in ~/thebookofshaders/header.php on line 4"

Was going to use isset but it seems like a banged !empty is used elsewhere. am not a php dev so will defer to anyone who feels more confident.