php - Can't load file from URL, but works with local path

I am trying to load an XML file, but for some reason I can't use a URL.

allow_url_fopen is set toOn.

I used this, which didn't work:

$xml = simplexml_load_file("https://example.corn/test.xml");
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But this does work:

$xml = simplexml_load_file("../test.xml");
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I also triedfile_get_contents:

$xml = file_get_contents("https://example.corn/test.xml");
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and evencURL:

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://example.corn/test.xml");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$xml = curl_exec($ch);          
curl_close($ch);
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For each example I am displaying the output withvar_dump($xml);, which always showsbool(false) when using a URL and shows the correct XML data when using a local path.

I would just use the local path, but this is just for a test and the actual XML file I am going to fetch is from a different site.

I tested it on a local server and it worked, but on my hosted server, it doesn't work at all. They are using the samephp.ini. My hosted server is using php-fpm, I'm unsure if that could be a factor, or if there is something that has to be changed with it.

This might be a configuration error that I am unaware of, because the code should work, and the link definitley exists, because I can click on it and see the correct xml in the browser.

What could be causing this issue?

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