Require PHPStan 1.10

[spaze]

PHPStan 1.10 has deprecated using instanceof *Type for many Type interface implementations, some of which were also used by this extension. I have refactored the code so the instanceof checks are not used. As a result of this, you may find some of the errors are now more precise which was also the case in one of the extension's own tests.

There are some other internal changes, too, but that's it.

What's Changed

• Remove helper classes Remove helper classes #173
• Use the same types in phpdoc as what the method signature says Use the same types in phpdoc as what the method signature says #175
• Remove instanceof *Type Remove instanceof *Type #174

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This discussion was created from the release Require PHPStan 1.10.