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Return type of Cmfcmf\OpenWeatherMap\Util\Unit::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used #182

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jamieburchell opened this issue Jan 27, 2022 · 1 comment · Fixed by #181
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Return type of Cmfcmf\OpenWeatherMap\Util\Unit::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used #182

jamieburchell opened this issue Jan 27, 2022 · 1 comment · Fixed by #181

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@jamieburchell
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Version: v3.3.1
PHP: 8.1
Error:

A PHP Error was encountered
Severity: 8192

Message: Return type of Cmfcmf\OpenWeatherMap\Util\Unit::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: Util/Unit.php

Line Number: 155
@jamieburchell
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Looks like this would fix it

@cmfcmf cmfcmf linked a pull request Feb 19, 2022 that will close this issue
Fixes deprecations errors on php 8.1 #181
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Fixes deprecations errors on php 8.1 hevertonfreitas/OpenWeatherMap-PHP-API
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@jamieburchell