Add PHP8 integration test

phpunit.xml.dist

@@ -15,14 +15,14 @@
     convertErrorsToExceptions="true"
     convertNoticesToExceptions="true"
     convertWarningsToExceptions="true"
-    defaultTimeLimit="3"
+    defaultTimeLimit="10"
     enforceTimeLimit="true"
     failOnWarning="true"
     processIsolation="false"
     stopOnFailure="false"
-    timeoutForSmallTests="3"
-    timeoutForMediumTests="6"
-    timeoutForLargeTests="9"
+    timeoutForSmallTests="10"
+    timeoutForMediumTests="20"
+    timeoutForLargeTests="30"
     verbose="false"
 >
     <testsuites>

tests/Fixtures/Integration/misc/PHP8_0.test

@@ -0,0 +1,361 @@
+--TEST--
+PHP 8.0 test.
+--RULESET--
+{
+    "@PHP80Migration": true,
+    "@PHP80Migration:risky": true,
+    "@PhpCsFixer": true,
+    "@PhpCsFixer:risky": true,
+    "phpdoc_to_return_type": true
+}
+--REQUIREMENTS--
+{"php": 80000}
+--EXPECT--
+<?php
+
+declare(strict_types=1);
+
+// https://wiki.php.net/rfc/named_params
+array_fill(start_index: 0, num: 100, value: 50);
+htmlspecialchars($string, double_encode: false);
+array_slice($array, $offset, $length, preserve_keys: true);
+new ParamNode($name, variadic: $isVariadic, byRef: $passByRef);
+array_foobar(array: $value); // reserved keyword as parameter name!
+
+// https://wiki.php.net/rfc/nullsafe_operator
+$country = $session?->user?->getAddress()?->country;
+
+// https://wiki.php.net/rfc/attributes_v2
+// https://wiki.php.net/rfc/attribute_amendments
+// https://wiki.php.net/rfc/shorter_attribute_syntax
+// https://wiki.php.net/rfc/shorter_attribute_syntax_change
+#[MyAttribute]
+#[\MyExample\MyAttribute]
+#[MyAttribute(1234)]
+#[MyAttribute(value: 1234)]
+#[MyAttribute(MyAttribute::VALUE)]
+#[MyAttribute(['key' => 'value'])]
+#[MyAttribute(100 + 200)]
+#[Attribute(Attribute::TARGET_METHOD | Attribute::TARGET_FUNCTION)]
+#[MyAttribute(1234), MyAttribute(5678)]
+class PostsController
+{
+    #[Route('/api/posts/{id}', methods: ['GET'])]
+    public function get($id): void
+    {
+    }
+}
+
+$object = new #[ExampleAttribute] class()
+{
+    #[ExampleAttribute]
+    public function foo(#[ExampleAttribute] $bar): void
+    {
+    }
+};
+
+// https://wiki.php.net/rfc/union_types_v2
+class Number
+{
+    private int | float | null $number;
+
+    public function setNumber(int | float $number): void
+    {
+        $this->number = $number;
+    }
+
+    public function getNumber(): int | float | null
+    {
+        return $this->number;
+    }
+}
+
+// https://wiki.php.net/rfc/class_name_literal_on_object
+// nothing we can do
+
+// https://wiki.php.net/rfc/static_return_type
+class T
+{
+    public function Foo(object $A): ?static
+    {
+    }
+
+    /** @return static */
+    public function something(): static
+    {
+    }
+}
+
+// https://wiki.php.net/rfc/variable_syntax_tweaks
+// nothing we can do
+
+// https://wiki.php.net/rfc/trailing_comma_in_parameter_list
+function foo(string $param = null, ): void
+{
+}
+call_user_func('foo', 1, );
+
+// https://wiki.php.net/rfc/trailing_comma_in_closure_use_list
+$foo1a = function (): void {};
+$foo1b = function (): void {};
+$foo2 = function () use ($bar, $baz, ): void { echo $bar.$baz; };
+
+// https://wiki.php.net/rfc/mixed_type_v2
+class T_Mixed
+{
+    public function Foo(mixed $a): mixed
+    {
+    }
+}
+
+// https://wiki.php.net/rfc/throw_expression
+if (1) {
+    foo() ?? throw new \Exception();
+    $a = $condition && throw new Exception();
+    $callable = fn () => throw new Exception();
+    $value = $falsableValue ?: throw new InvalidArgumentException();
+}
+
+// https://wiki.php.net/rfc/non-capturing_catches
+// TODO: https://github.com/FriendsOfPHP/PHP-CS-Fixer/pull/5175 - when implementing new rule for fixing such cases, add exception variable in --INPUT-- section
+try {
+    foo();
+} catch (Exception) {
+    // ignore exception
+}
+
+// https://wiki.php.net/rfc/constructor_promotion
+class Point
+{
+    public function __construct(
+        public float $x = 0.0,
+        protected float $y = 0.0,
+        private float $z = 0.0,
+        private ?string $desc = null,
+    ) {
+    }
+}
+
+// https://wiki.php.net/rfc/match_expression_v2
+echo match ($x) {
+    1, 2 => 'Same for 1 and 2',
+};
+
+// https://wiki.php.net/rfc/add_str_starts_with_and_ends_with_functions
+// no syntax changes
+
+// https://wiki.php.net/rfc/str_contains
+// no syntax changes
+
+// https://wiki.php.net/rfc/deprecate_curly_braces_array_access
+// syntax was deprecated, nothing we can do - a `normalize_index_brace` rule already exists and can be used on PHP <8 (or PHP 8 if errors are ignored)
+
+// https://wiki.php.net/rfc/concatenation_precedence
+// nothing we can do
+
+// https://wiki.php.net/rfc/inheritance_private_methods
+// nothing we can do
+
+// https://wiki.php.net/rfc/ternary_associativity
+// nothing we can do about the warning - a rule can be implemented to run on PHP <8 (or PHP 8 if errors are ignored)
+
+// https://wiki.php.net/rfc/stringable
+// nothing we can do
+
+// Date: mktime() and gmmktime() now require at least one argument. time() can be used to get the current timestamp.
+time();
+time();
+mktime($a);
+gmmktime(1, 2, 3, 4, 5, 6);
+
+// Exif: Removed read_exif_data(). exif_read_data() should be used instead.
+exif_read_data($filename, $sections_needed, $sub_arrays, $read_thumbnail);
+
+// The imap_header() function which is an alias of imap_headerinfo() has been removed.
+imap_headerinfo();
+
+// parse_str() can no longer be used without specifying a result array.
+// nothing we can do
+
+// Calling implode() with parameters in a reverse order ($pieces, $glue) is no longer supported.
+implode('', $pieces);
+implode('', $pieces);
+
+// Mbstring A number of deprecated mbregex aliases have been removed.
+// nothing we can do
+
+// Namespaced names can no longer contain whitespace (nor comments)
+// nothing we can do
+
+--INPUT--
+<?php
+
+// https://wiki.php.net/rfc/named_params
+array_fill(start_index: 0, num: 100, value: 50);
+htmlspecialchars($string, double_encode: false);
+array_slice($array, $offset, $length, preserve_keys: true);
+new ParamNode($name, variadic: $isVariadic, byRef: $passByRef);
+array_foobar(array: $value); // reserved keyword as parameter name!
+
+// https://wiki.php.net/rfc/nullsafe_operator
+$country = $session?->user?->getAddress()?->country;
+
+// https://wiki.php.net/rfc/attributes_v2
+// https://wiki.php.net/rfc/attribute_amendments
+// https://wiki.php.net/rfc/shorter_attribute_syntax
+// https://wiki.php.net/rfc/shorter_attribute_syntax_change
+#[MyAttribute]
+#[\MyExample\MyAttribute]
+#[MyAttribute(1234)]
+#[MyAttribute(value: 1234)]
+#[MyAttribute(MyAttribute::VALUE)]
+#[MyAttribute(array("key" => "value"))]
+#[MyAttribute(100 + 200)]
+#[Attribute(Attribute::TARGET_METHOD | Attribute::TARGET_FUNCTION)]
+#[MyAttribute(1234), MyAttribute(5678)]
+class PostsController
+{
+    #[Route("/api/posts/{id}", methods: ["GET"])]
+    public function get($id): void
+    {
+    }
+}
+
+$object = new #[ExampleAttribute] class ()
+{
+    #[ExampleAttribute]
+    public function foo(#[ExampleAttribute] $bar): void
+    {
+    }
+};
+
+// https://wiki.php.net/rfc/union_types_v2
+class Number
+{
+    private int|float|null $number;
+
+    public function setNumber(int|float $number): void
+    {
+        $this->number = $number;
+    }
+
+    public function getNumber(): int|float|null
+    {
+        return $this->number;
+    }
+}
+
+// https://wiki.php.net/rfc/class_name_literal_on_object
+// nothing we can do
+
+// https://wiki.php.net/rfc/static_return_type
+class T
+{
+    public function Foo(object $A): ?StatiC
+    {
+    }
+
+    /** @return static */
+    public function something()
+    {
+    }
+}
+
+// https://wiki.php.net/rfc/variable_syntax_tweaks
+// nothing we can do
+
+// https://wiki.php.net/rfc/trailing_comma_in_parameter_list
+function foo(string $param = null, ) {}
+call_user_func('foo', 1, );
+
+// https://wiki.php.net/rfc/trailing_comma_in_closure_use_list
+$foo1a = function() use ($bar,) {};
+$foo1b = function() use ($bar, ) {};
+$foo2 = function() use ($bar,$baz,) { echo $bar.$baz; };
+
+// https://wiki.php.net/rfc/mixed_type_v2
+class T_Mixed
+{
+    public function Foo(Mixed$a): MIXED
+    {
+    }
+}
+
+// https://wiki.php.net/rfc/throw_expression
+if (1) {
+    foo() ?? throw new \Exception();
+    $a = $condition && throw new Exception();
+    $callable = fn() => throw new Exception();
+    $value = $falsableValue ?: throw new InvalidArgumentException();
+}
+
+// https://wiki.php.net/rfc/non-capturing_catches
+// TODO: https://github.com/FriendsOfPHP/PHP-CS-Fixer/pull/5175 - when implementing new rule for fixing such cases, add exception variable in --INPUT-- section
+try {
+    foo();
+} catch (Exception) {
+    // ignore exception
+}
+
+// https://wiki.php.net/rfc/constructor_promotion
+class Point
+{
+    public function __construct(
+        PUBLIC float $x = 0.0,
+        Protected float $y = 0.0,
+        privatE float $z = 0.0,
+        private ?string $desc = null,
+    ) {
+    }
+}
+
+// https://wiki.php.net/rfc/match_expression_v2
+echo match($x) {
+    1, 2 => 'Same for 1 and 2',
+};
+
+// https://wiki.php.net/rfc/add_str_starts_with_and_ends_with_functions
+// no syntax changes
+
+// https://wiki.php.net/rfc/str_contains
+// no syntax changes
+
+// https://wiki.php.net/rfc/deprecate_curly_braces_array_access
+// syntax was deprecated, nothing we can do - a `normalize_index_brace` rule already exists and can be used on PHP <8 (or PHP 8 if errors are ignored)
+
+// https://wiki.php.net/rfc/concatenation_precedence
+// nothing we can do
+
+// https://wiki.php.net/rfc/inheritance_private_methods
+// nothing we can do
+
+// https://wiki.php.net/rfc/ternary_associativity
+// nothing we can do about the warning - a rule can be implemented to run on PHP <8 (or PHP 8 if errors are ignored)
+
+// https://wiki.php.net/rfc/stringable
+// nothing we can do
+
+// Date: mktime() and gmmktime() now require at least one argument. time() can be used to get the current timestamp.
+mktime();
+gmmktime();
+mktime($a);
+gmmktime(1, 2, 3, 4, 5, 6);
+
+// Exif: Removed read_exif_data(). exif_read_data() should be used instead.
+read_exif_data($filename, $sections_needed, $sub_arrays, $read_thumbnail);
+
+// The imap_header() function which is an alias of imap_headerinfo() has been removed.
+imap_header();
+
+// parse_str() can no longer be used without specifying a result array.
+// nothing we can do
+
+// Calling implode() with parameters in a reverse order ($pieces, $glue) is no longer supported.
+implode($pieces, '');
+implode($pieces);
+
+// Mbstring A number of deprecated mbregex aliases have been removed.
+// nothing we can do
+
+// Namespaced names can no longer contain whitespace (nor comments)
+// nothing we can do