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phpstan/phpstan-strict-rules

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Stars

★ 704

Forks

⑂ 62

Language

PHP

Topic

Backend

License

MIT

Updated

17d ago

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phpstan/phpstan-strict-rules is a server-side project on GitHub with 704 stars, written primarily in PHP. Extra strict and opinionated rules for PHPStan

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Stars★ 704

Forks⑂ 62

LanguagePHP

TopicBackend

LicenseMIT

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Configuration Parameters	Rule Description
`booleansInConditions`	Require booleans in `if`, `elseif`, ternary operator, after `!`, and on both sides of `&&` and `\|\|`.
`booleansInLoopConditions`	Require booleans in `while` and `do while` loop conditions.
`uselessCast`	Detect useless casts — e.g. casting to `int` when the expression is already `int`.
`numericOperandsInArithmeticOperators`	Require numeric operands in `+`, `-`, ``, `/`, `%`, `*`, `+$var`, `-$var`, `$var++`, `$var--`, `++$var` and `--$var`.
`strictFunctionCalls`	These functions contain a `$strict` parameter for better type safety, it must be set to `true`: * `in_array` (3rd parameter) * `array_search` (3rd parameter) * `array_keys` (3rd parameter; only if the 2nd parameter `$search_value` is provided) * `base64_decode` (2nd parameter).
`overwriteVariablesWithLoop`	* Disallow overwriting variables with `foreach` key and value variables. * Disallow overwriting variables with `for` loop initial assignment.
`switchConditionsMatchingType`	Types in `switch` condition and `case` value must match. PHP compares them loosely by default and that can lead to unexpected results.
`dynamicCallOnStaticMethod`	Check that statically declared methods are called statically.
`disallowedEmpty`	Disallow `empty()` - it's a very loose comparison (see manual), it's recommended to use more strict one.
`disallowedLooseComparison`	Disallow loose comparison via `==` and `!=`.
`disallowedShortTernary`	Disallow short ternary operator (`?:`) - implies weak comparison, it's recommended to use null coalesce operator (`??`) or ternary operator with strict condition.
`noVariableVariables`	Disallow variable variables (`$$foo`, `$this->$method()` etc.).
`checkAlwaysTrueInstanceof`, `checkAlwaysTrueCheckTypeFunctionCall`, `checkAlwaysTrueStrictComparison`	Always true `instanceof`, type-checking `is_*` functions and strict comparisons `===`/`!==`. These checks can be turned off by setting `checkAlwaysTrueInstanceof`, `checkAlwaysTrueCheckTypeFunctionCall` and `checkAlwaysTrueStrictComparison` to false.
	Correct case for referenced and called function names.
`matchingInheritedMethodNames`	Correct case for inherited and implemented method names.
	Contravariance for parameter types and covariance for return types in inherited methods (also known as Liskov substitution principle - LSP).
	Check LSP even for static methods.
`requireParentConstructorCall`	Require calling parent constructor.
`disallowedBacktick`	Disallow usage of backtick operator ($ls = `ls -la`).
`disallowedImplicitArrayCreation`	Disallow implicit array creation through `$var[] =` when the variable does not exist yet.
`strictArrayFilter`	Require `array_filter()` to have a callback parameter to avoid loose comparison semantics.
`illegalConstructorMethodCall`	Disallow calling `__construct()` on an existing object or as a static call outside of parent constructor.
`closureUsesThis`	Closure should use `$this` directly instead of using `$this` variable indirectly.

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phpstan/phpstan-strict-rules

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Extra strict and opinionated rules for PHPStan

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