Tracking requests on PHP 8 might fail if an invalid encoding is sent #17153
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Description:
On PHP 8 some tests for different encodings in tracking are failing:
This failure is caused by an internal change in
mb_detect_encoding
. While PHP 7 simply did nothing or failed silently when an invaid encoding was given, PHP 8 now starts throwing a newly introducedValueError
.For PHP 8 that means a tracking request would fail completely as soon as an invalid encoding is sent with the request. Not sure if that should happen that often, but maybe it might be the case if someone defines an invalid encoding for his website.
I've tested those changes on another branch where tests are running against PHP 8. See https://travis-ci.com/github/matomo-org/matomo/jobs/477061001
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