Test for ec-lightning.php file caching and GD image function

Using ./radar/ec-lightning-test-en.txt as test file.

Now date='Mon, 29 Nov 2021 22:57:14'

File says='Mon, 29 Nov 2021 22:57:14'

Write and read-back successful.. contents identical -- ec-lightning.php cache should work fine with $lightningDir = './radar/'; setting.

Checking for legendLightning.png required image file

Your legendLightning.png is correctly placed in ./radar/ and shows like this: lightning legend

Site is running PHP Version 7.3.32

To run the ec-lightning.php script, you also need GD enabled in PHP.
Make sure the following displays Yes for all items (except for 'WebP Support', 'T1Lib Support' and 'JIS-mapped Japanese Font Support' which are not needed).

Current GD status: