Make localized DateTime formatter comparable with IntlDateFormatter#5
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Because the intl extension with the IntlDateFormatter is extremely slow, we have this class. But until now, we were not quite comparable with the actual output of the intl formatter.
Using only the "type" arguments to the intl formatter, we can mimic the special localized formats (that are not a part of DateTime formatting). Only the "llll" format does not work that way, and we need a pattern to test that out. Links at the top of the file can be used to verify.
Because we compare with the v76 version, we need to skip the comparison tests if the version isn't correct
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@sunkan I can't see a way to bump the ICU data version to 76 for the intl comparison test. So, I think we need to keep it this way. This will fix itself when |
sunkan
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Jan 12, 2026
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| public function formatTimestamp(string $format, \DateTimeImmutable $timestamp): string | ||
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| $date = DateTimeImmutable::createFromInterface($timestamp); |
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Yes, this is wrong, for sure. I think the actual problem is that the formatter interface is asking for a \DateTimeImmutable instead of \DateTimeInterface like the format() method. I will change that
Also, use DateTimeInterface instead of Immutable
Add new interface to allow keeping BC
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Change localized DT formatter to be comparable with IntlDateFormatter.
Because the intl extension with the IntlDateFormatter is extremely slow, we have this class.
But until now, we were not quite comparable with the actual output of the intl formatter.
So, here we at least try to be comparable, and have tests to prove so.
Note that this should be a breaking change and result in a 3.x version.