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✏️ Editing: GetMethodPropertiesTest.inc

<?php

/* testBasicFunction */
function myFunction() {}

/* testReturnFunction */
function myFunction(array ...$arrays): array
{
    /* testNestedClosure */
    return array_map(function(array $array): int {
        return array_sum($array);
    }, $arrays);
}

class MyClass {
    /* testBasicMethod */
    function myFunction() {}

/* testPrivateStaticMethod */
    private static function myFunction() {}

/* testFinalMethod */
    final public function myFunction() {}

/* testProtectedReturnMethod */
    protected function myFunction() : int {}

/* testPublicReturnMethod */
    public function myFunction(): array {}

/* testNullableReturnMethod */
    public function myFunction(): ?array {}

/* testMessyNullableReturnMethod */
    public function myFunction() /* comment
        */ :
        /* comment */ ? // phpcs:ignore Stnd.Cat.Sniff -- For reasons.
        array {}

/* testReturnNamespace */
    function myFunction(): \MyNamespace\MyClass {}

/* testReturnMultilineNamespace */
    // Parse error in PHP 8.0.
    function myFunction(): \MyNamespace /** comment *\/ comment */
                           \MyClass /* comment */
                           \Foo {}

/* testReturnUnqualifiedName */
    private function myFunction(): ?MyClass {}

/* testReturnPartiallyQualifiedName */
    function myFunction(): Sub\Level\MyClass {}
}

abstract class MyClass
{
    /* testAbstractMethod */
    abstract function myFunction();

/* testAbstractReturnMethod */
    abstract protected function myFunction(): bool;
}

interface MyInterface
{
    /* testInterfaceMethod */
    function myFunction();
}

$result = array_map(
    /* testArrowFunction */
    static fn(int $number) : int => $number + 1,
    $numbers
);

class ReturnMe {
    /* testReturnTypeStatic */
    private function myFunction(): static {
        return $this;
    }

/* testReturnTypeNullableStatic */
    function myNullableFunction(): ?static {
        return $this;
    }
}

/* testPHP8MixedTypeHint */
function mixedTypeHint() :mixed {}

/* testPHP8MixedTypeHintNullable */
// Intentional fatal error - nullability is not allowed with mixed, but that's not the concern of the method.
function mixedTypeHintNullable(): ?mixed {}

/* testNamespaceOperatorTypeHint */
function namespaceOperatorTypeHint() : ?namespace\Name {}

/* testPHP8UnionTypesSimple */
function unionTypeSimple($number) : int|float {}

/* testPHP8UnionTypesTwoClasses */
$fn = fn($var): MyClassA|\Package\MyClassB => $var;

/* testPHP8UnionTypesAllBaseTypes */
function unionTypesAllBaseTypes() : array|bool|callable|int|float|null|Object|string {}

/* testPHP8UnionTypesAllPseudoTypes */
// Intentional fatal error - mixing types which cannot be combined, but that's not the concern of the method.
function unionTypesAllPseudoTypes($var) : false|MIXED|self|parent|static|iterable|Resource|void {}

/* testPHP8UnionTypesNullable */
// Intentional fatal error - nullability is not allowed with union types, but that's not the concern of the method.
$closure = function () use($a) :?int|float {};

/* testPHP8PseudoTypeNull */
// PHP 8.0 - 8.1: Intentional fatal error - null pseudotype is only allowed in union types, but that's not the concern of the method.
function pseudoTypeNull(): null {}

/* testPHP8PseudoTypeFalse */
// PHP 8.0 - 8.1: Intentional fatal error - false pseudotype is only allowed in union types, but that's not the concern of the method.
function pseudoTypeFalse(): false {}

/* testPHP8PseudoTypeFalseAndBool */
// Intentional fatal error - false pseudotype is not allowed in combination with bool, but that's not the concern of the method.
function pseudoTypeFalseAndBool(): bool|false {}

/* testPHP8ObjectAndClass */
// Intentional fatal error - object is not allowed in combination with class name, but that's not the concern of the method.
function objectAndClass(): object|ClassName {}

/* testPHP8PseudoTypeIterableAndArray */
// Intentional fatal error - iterable pseudotype is not allowed in combination with array or Traversable, but that's not the concern of the method.
interface FooBar {
    public function pseudoTypeIterableAndArray(): iterable|array|Traversable;
}

/* testPHP8DuplicateTypeInUnionWhitespaceAndComment */
// Intentional fatal error - duplicate types are not allowed in union types, but that's not the concern of the method.
function duplicateTypeInUnion(): int | /*comment*/ string | INT {}

/* testPHP81NeverType */
function never(): never {}

/* testPHP81NullableNeverType */
// Intentional fatal error - nullability is not allowed with never, but that's not the concern of the method.
function nullableNever(): ?never {}

/* testPHP8IntersectionTypes */
function intersectionTypes(): Foo&Bar {}

/* testPHP81MoreIntersectionTypes */
function moreIntersectionTypes(): MyClassA&\Package\MyClassB&\Package\MyClassC {}

/* testPHP81IntersectionArrowFunction */
$fn = fn($var): MyClassA&\Package\MyClassB => $var;

/* testPHP81IllegalIntersectionTypes */
// Intentional fatal error - simple types are not allowed with intersection types, but that's not the concern of the method.
$closure = function (): string&int {};

/* testPHP81NullableIntersectionTypes */
// Intentional fatal error - nullability is not allowed with intersection types, but that's not the concern of the method.
$closure = function (): ?Foo&Bar {};

/* testPHP82PseudoTypeTrue */
function pseudoTypeTrue(): ?true {}

/* testPHP82PseudoTypeFalseAndTrue */
// Intentional fatal error - Type contains both true and false, bool should be used instead, but that's not the concern of the method.
function pseudoTypeFalseAndTrue(): true|false {}

/* testPHP82DNFType */
function hasDNFType() : bool|(Foo&Bar)|string {}

abstract class AbstractClass {
    /* testPHP82DNFTypeAbstractMethod */
    abstract protected function abstractMethodDNFType() : float|(Foo&Bar);
}

/* testPHP82DNFTypeIllegalNullable */
// Intentional fatal error - nullable operator cannot be combined with DNF.
function illegalNullableDNF(): ?(A&\Pck\B)|bool {}

/* testPHP82DNFTypeClosure */
$closure = function() : object|(namespace\Foo&Countable) {};

/* testPHP82DNFTypeFn */
// Intentional fatal error - void type cannot be combined with DNF.
$arrow = fn() : null|(Partially\Qualified&Traversable)|void => do_something();

/* testNotAFunction */
return true;

/* testPhpcsIssue1264 */
function foo() : array {
    echo $foo;
}

/* testArrowFunctionArrayReturnValue */
$fn = fn(): array => [a($a, $b)];

/* testArrowFunctionReturnByRef */
fn&(?string $a) : ?string => $b;

/* testFunctionCallFnPHPCS353-354 */
$value = $obj->fn(true);

/* testFunctionDeclarationNestedInTernaryPHPCS2975 */
return (!$a ? [ new class { public function b(): c {} } ] : []);

/* testClosureWithUseNoReturnType */
$closure = function () use($a) /*comment*/ {};

/* testClosureWithUseNoReturnTypeIllegalUseProp */
$closure = function () use ($this->prop){};

/* testClosureWithUseWithReturnType */
$closure = function () use /*comment*/ ($a): Type {};

/* testClosureWithUseMultiParamWithReturnType */
$closure = function () use ($a, &$b, $c, $d, $e, $f, $g): ?array {};

/* testArrowFunctionLiveCoding */
// Intentional parse error. This has to be the last test in the file.
$fn = fn

MR SKB