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37 lines
1.4 KiB
Markdown
37 lines
1.4 KiB
Markdown
Version 3.0.0 (2018-11-18)
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- Refactored a lot of classes to support an overhauled [Plugin API](https://github.com/vimeo/psalm/blob/master/docs/plugins.md) created by @weirdan
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- Config `allowCoercionFromStringToClassConst` now defaults to `false`, meaning Psalm now finds a problem with this code by default:
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```php
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$a = "A";
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new $a(); // InvalidStringClass emitted
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$a = A::class;
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new $a(); // this is fine
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```
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- Disabled PHP's cycle-detecting garbage collector (which is often run unnecessarily)
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- Improved docblock assertions to allow templated types e.g
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```php
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/**
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* Asserts that two variables are the same.
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*
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* @psalm-template T
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* @psalm-param T $expected
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* @param mixed $actual
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* @psalm-assert !=T $actual
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*/
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function assertNotSame($expected, $actual) : void {}
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```
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Version 2.0.0 (2018-05-11)
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- Uses PHP Parser 4 (and thus requires PHP 7)
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- Issue type `MoreSpecificImplementedReturnType` has been renamed `LessSpecificImplementedReturnType`
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- Issue type `PossiblyUndefinedArrayOffset` is triggered for possibly undefined array keys (previously bucketed into `PossiblyUndefinedVariable`)
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```php
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$foo = rand(0, 1) ? ['a' => 1, 'b' => 2] : ['a' => 3];
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echo $foo['b'];
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```
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- removed `stopOnFirstError` `<psalm />` config attribute, which hasn't been used in ages
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- removed `UntypedParam` issue type, which also hasn't been used (`MissingParamType` is the replacement)
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