make preg_replace() use generics
#705
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It's a pain to cast the result of `\Safe\preg_replace()` to `string` every time. This PR makes the `preg_replace` return type conditional on the `$subject` parameter type, so if you pass a string, the return type is also `string`.
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I wonder how this interacts with https://github.com/thecodingmachine/phpstan-safe-rule which IIRC does the same thing and more 🤔 |
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It's a pain to cast the result of
\Safe\preg_replace()tostringevery time. This PR makes thepreg_replacereturn type conditional on the$subjectparameter type, so if you pass a string, the return type is alsostring.