mirror of
https://github.com/danog/psalm.git
synced 2024-11-30 04:39:00 +01:00
957 lines
31 KiB
PHP
957 lines
31 KiB
PHP
<?php
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namespace Psalm\Tests;
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class ConstantTest extends TestCase
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{
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use Traits\InvalidCodeAnalysisTestTrait;
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use Traits\ValidCodeAnalysisTestTrait;
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/**
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* @return iterable<string,array{string,assertions?:array<string,string>,error_levels?:string[]}>
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*/
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public function providerValidCodeParse()
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{
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return [
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'constantInFunction' => [
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'<?php
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useTest();
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const TEST = 2;
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function useTest(): int {
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return TEST;
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}',
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],
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'constantInClosure' => [
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'<?php
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const TEST = 2;
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$useTest = function(): int {
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return TEST;
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};
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$useTest();',
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],
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'constantDefinedInFunction' => [
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'<?php
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/**
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* @return void
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*/
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function defineConstant() {
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define("CONSTANT", 1);
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}
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defineConstant();
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echo CONSTANT;',
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],
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'magicConstant' => [
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'<?php
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$a = __LINE__;
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$b = __file__;',
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'assertions' => [
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'$a' => 'int',
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'$b' => 'string',
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],
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],
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'getClassConstantValue' => [
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'<?php
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class A {
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const B = [0, 1, 2];
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}
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$a = A::B[1];',
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],
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'staticConstEval' => [
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'<?php
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abstract class Enum {
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/**
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* @var string[]
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*/
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protected const VALUES = [];
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public static function export(): string
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{
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assert(!empty(static::VALUES));
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$values = array_map(
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function(string $val): string {
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return "\'" . $val . "\'";
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},
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static::VALUES
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);
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return join(",", $values);
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}
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}',
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'assertions' => [],
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'error_levels' => ['MixedArgument'],
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],
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'undefinedConstant' => [
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'<?php
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switch (rand(0, 50)) {
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case FORTY: // Observed a valid UndeclaredConstant warning
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$x = "value";
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break;
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default:
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$x = "other";
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}
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echo $x;',
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'assertions' => [],
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'error_levels' => ['UndefinedConstant'],
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],
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'suppressUndefinedClassConstant' => [
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'<?php
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class C {}
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/** @psalm-suppress UndefinedConstant */
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$a = POTATO;
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/** @psalm-suppress UndefinedConstant */
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$a = C::POTATO;',
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'assertions' => [],
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'error_levels' => ['MixedAssignment'],
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],
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'hardToDefineClassConstant' => [
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'<?php
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class A {
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const C = [
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self::B => 4,
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"name" => 3
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];
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const B = 4;
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}
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echo A::C[4];',
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],
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'sameNamedConstInOtherClass' => [
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'<?php
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class B {
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const B = 4;
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}
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class A {
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const B = "four";
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const C = [
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B::B => "one",
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];
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}
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echo A::C[4];',
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],
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'onlyMatchingConstantOffset' => [
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'<?php
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class A {
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const KEYS = ["one", "two", "three"];
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const ARR = [
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"one" => 1,
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"two" => 2
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];
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}
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foreach (A::KEYS as $key) {
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if (isset(A::ARR[$key])) {
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echo A::ARR[$key];
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}
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}',
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],
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'stringArrayOffset' => [
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'<?php
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class A {
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const C = [
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"a" => 1,
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"b" => 2,
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];
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}
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function foo(string $s) : void {
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if (!isset(A::C[$s])) {
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return;
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}
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if ($s === "Hello") {}
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}',
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],
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'noExceptionsOnMixedArrayKey' => [
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'<?php
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function finder(string $id) : ?object {
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if (rand(0, 1)) {
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return new A();
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}
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if (rand(0, 1)) {
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return new B();
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}
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return null;
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}
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class A {}
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class B {}
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class Foo
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{
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private const TYPES = [
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"type1" => A::class,
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"type2" => B::class,
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];
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public function bar(array $data): void
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{
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if (!isset(self::TYPES[$data["type"]])) {
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throw new \InvalidArgumentException("Unknown type");
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}
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$class = self::TYPES[$data["type"]];
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$ret = finder($data["id"]);
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if (!$ret || !$ret instanceof $class) {
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throw new \InvalidArgumentException;
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}
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}
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}',
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'assertions' => [],
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'error_levels' => ['MixedArgument', 'MixedArrayOffset', 'MixedAssignment'],
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],
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'lateConstantResolution' => [
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'<?php
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class A {
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const FOO = "foo";
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}
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class B {
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const BAR = [
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A::FOO
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];
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const BAR2 = A::FOO;
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}
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$a = B::BAR[0];
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$b = B::BAR2;',
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'assertions' => [
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'$a' => 'string',
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'$b' => 'string',
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],
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],
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'allowConstCheckForDifferentPlatforms' => [
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'<?php
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if ("phpdbg" === \PHP_SAPI) {}',
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],
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'stdinout' => [
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'<?php
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echo fread(STDIN, 100);
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fwrite(STDOUT, "asd");
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fwrite(STDERR, "zcx");',
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],
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'classStringArrayOffset' => [
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'<?php
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class A {}
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class B {}
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const C = [
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A::class => 1,
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B::class => 2,
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];
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/**
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* @param class-string $s
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*/
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function foo(string $s) : void {
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if (isset(C[$s])) {}
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}',
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],
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'resolveClassConstToCurrentClass' => [
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'<?php
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interface I {
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public const C = "a";
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public function getC(): string;
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}
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class A implements I {
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public function getC(): string {
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return self::C;
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}
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}
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class B extends A {
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public const C = [5];
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public function getA(): array {
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return self::C;
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}
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}',
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],
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'resolveCalculatedConstant' => [
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'<?php
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interface Types {
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public const TWO = "two";
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}
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interface A {
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public const TYPE_ONE = "one";
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public const TYPE_TWO = Types::TWO;
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}
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class B implements A {
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public function __construct()
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{
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echo self::TYPE_ONE;
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echo self::TYPE_TWO;
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}
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}',
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'assertions' => [],
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'error_levels' => ['MixedArgument'],
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],
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'arrayAccessAfterIsset' => [
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'<?php
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class C {
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const A = [
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"b" => ["c" => false],
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"c" => ["c" => true],
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"d" => ["c" => true]
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];
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}
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/** @var string */
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$s = "b";
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if (isset(C::A[$s]["c"]) && C::A[$s]["c"] === false) {}',
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],
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'namespacedConstantInsideClosure' => [
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'<?php
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namespace Foo;
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const FOO_BAR = 1;
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function foo(): \Closure {
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return function (): int {
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return FOO_BAR;
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};
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}
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function foo2(): int {
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return FOO_BAR;
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}
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$a = function (): \Closure {
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return function (): int {
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return FOO_BAR;
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};
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};
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$b = function (): int {
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return FOO_BAR;
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};',
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],
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'rootConstantReferencedInNamespace' => [
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'<?php
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namespace Foo;
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echo DIRECTORY_SEPARATOR;',
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],
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'constantDefinedInRootNamespace' => [
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'<?php
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namespace {
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define("ns1\\cons1", 0);
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echo \ns1\cons1;
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echo ns1\cons1;
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}',
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],
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'constantDynamicallyDefinedInNamespaceReferencedInSame' => [
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'<?php
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namespace ns2 {
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define(__NAMESPACE__."\\cons2", 0);
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echo \ns2\cons2;
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echo cons2;
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}',
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],
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'constantDynamicallyDefinedInNamespaceReferencedInRoot' => [
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'<?php
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namespace ns2 {
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define(__NAMESPACE__."\\cons2", 0);
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}
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namespace {
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echo \ns2\cons2;
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echo ns2\cons2;
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}',
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],
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'constantExplicitlyDefinedInNamespaceReferencedInSame' => [
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'<?php
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namespace ns2 {
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define("ns2\\cons2", 0);
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echo \ns2\cons2;
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echo cons2;
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}',
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],
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'constantExplicitlyDefinedInNamespaceReferencedInRoot' => [
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'<?php
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namespace ns2 {
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define("ns2\\cons2", 0);
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}
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namespace {
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echo \ns2\cons2;
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echo ns2\cons2;
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}',
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],
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'allowConstantToBeDefinedInNamespaceNadReferenced' => [
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'<?php
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namespace ns;
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function func(): void {}
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define(__NAMESPACE__."\\cons", 0);
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cons;',
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],
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'staticConstantInsideFinalClass' => [
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'<?php
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final class A {
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public const STRING = "1,2,3";
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public static function foo(): void {
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print_r(explode(",", static::STRING));
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}
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}'
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],
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'allowChecksAfterDefined' => [
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'<?php
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class A {
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private const STRING = "x";
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public static function bar() : bool {
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return !defined("FOO") && strpos("x", self::STRING) === 0;
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}
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}'
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],
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'resolveOutOfOrderClassConstants' => [
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'<?php
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const cons1 = 0;
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class Clazz {
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const cons2 = cons1;
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const cons3 = 0;
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}
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echo cons1;
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echo Clazz::cons2;
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echo Clazz::cons3;'
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],
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'evenMoreOutOfOrderConstants' => [
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'<?php
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class A {
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const X = self::Y;
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const Y = 3;
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}
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class C extends B {
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}
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const Z = C::X;
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class B extends A {
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const Z = self::X;
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}'
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],
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'supportTernaries' => [
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'<?php
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const cons1 = true;
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class Clazz {
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/**
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* @psalm-suppress RedundantCondition
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*/
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const cons2 = (cons1) ? 1 : 0;
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}
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echo Clazz::cons2;',
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],
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'classConstantClassReferencedLazily' => [
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'<?php
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/** @return array<string, int> */
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function getMap(): array {
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return Mapper::MAP;
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}
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class Mapper {
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public const MAP = [
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Foo::class => self::A,
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Foo::BAR => self::A,
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];
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private const A = 5;
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}
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class Foo {
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public const BAR = "bar";
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}'
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],
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'resolveConstArrayAsList' => [
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'<?php
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class Test1 {
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const VALUES = [
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"all",
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"own"
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];
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}
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class Credentials {
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const ALL = "all";
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const OWN = "own";
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const NONE = "none";
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}
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class Test2 {
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const VALUES = [
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Credentials::ALL,
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Credentials::OWN
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];
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}
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/**
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* @psalm-param list<"all"|"own"|"mine"> $value
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*/
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function test($value): void {
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print_r($value);
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}
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test(Test1::VALUES);
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test(Test2::VALUES);'
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],
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'resolveConstantFetchViaFunction' => [
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'<?php
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const FOO = 1;
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echo \constant("FOO");'
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],
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'tooLongClassConstArray' => [
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'<?php
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class MyTest {
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const LOOKUP = [
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"A00" => null,
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"A01" => null,
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"A02" => null,
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"A03" => null,
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"A04" => null,
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"A05" => null,
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"A06" => null,
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"A07" => null,
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"A010" => null,
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"A011" => null,
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"A012" => null,
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"A013" => null,
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"A014" => null,
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"A015" => null,
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"A016" => null,
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"A017" => null,
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"A020" => null,
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"A021" => null,
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"A022" => null,
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"A023" => null,
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"A024" => null,
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"A025" => null,
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"A026" => null,
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"A027" => null,
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"A030" => null,
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"A031" => null,
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"A032" => null,
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"A033" => null,
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"A034" => null,
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"A035" => null,
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"A036" => null,
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"A037" => null,
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"A040" => null,
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"A041" => null,
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"A042" => null,
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"A043" => null,
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"A044" => null,
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"A045" => null,
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"A046" => null,
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"A047" => null,
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"A050" => null,
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"A051" => null,
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"A052" => null,
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"A053" => null,
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"A054" => null,
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"A055" => null,
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"A056" => null,
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"A057" => null,
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"A060" => null,
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"A061" => null,
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"A062" => null,
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"A063" => null,
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"A064" => self::SUCCEED,
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"A065" => self::FAIL,
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];
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const SUCCEED = "SUCCEED";
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const FAIL = "FAIL";
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/**
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* @param string $code
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*/
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public static function will_succeed($code) : bool {
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// False positive TypeDoesNotContainType - string(SUCCEED) cannot be identical to null
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// This seems to happen because the array has a lot of entries.
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return (self::LOOKUP[strtoupper($code)] ?? null) === self::SUCCEED;
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}
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}'
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],
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|
'keyOf' => [
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'<?php
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class A {
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const C = [
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1 => "a",
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2 => "b",
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3 => "c"
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];
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|
|
/**
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* @param key-of<A::C> $i
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*/
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public static function foo(int $i) : void {}
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}
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A::foo(1);
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A::foo(2);
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A::foo(3);',
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],
|
|
'valueOf' => [
|
|
'<?php
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|
class A {
|
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const C = [
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1 => "a",
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2 => "b",
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3 => "c"
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];
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|
|
/**
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|
* @param value-of<A::C> $j
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*/
|
|
public static function bar(string $j) : void {}
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|
}
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|
|
A::bar("a");
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|
A::bar("b");
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|
A::bar("c");',
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|
],
|
|
'valueOfDefault' => [
|
|
'<?php
|
|
class A {
|
|
const C = [
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|
1 => "a",
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2 => "b",
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3 => "c"
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];
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|
|
/**
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|
* @var value-of<self::C>
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|
*/
|
|
public $foo = "a";
|
|
}',
|
|
],
|
|
'wildcardEnum' => [
|
|
'<?php
|
|
class A {
|
|
const C_1 = 1;
|
|
const C_2 = 2;
|
|
const C_3 = 3;
|
|
|
|
/**
|
|
* @param self::C_* $i
|
|
*/
|
|
public static function foo(int $i) : void {}
|
|
}
|
|
|
|
A::foo(1);
|
|
A::foo(2);
|
|
A::foo(3);',
|
|
],
|
|
'wildcardEnumAnyConstant' => [
|
|
'<?php
|
|
class A {
|
|
const C_1 = 1;
|
|
const C_2 = 2;
|
|
const C_3 = 3;
|
|
const D_4 = 4;
|
|
|
|
/**
|
|
* @param self::* $i
|
|
*/
|
|
public static function foo(int $i) : void {}
|
|
}
|
|
|
|
A::foo(1);
|
|
A::foo(2);
|
|
A::foo(3);
|
|
A::foo(A::D_4);',
|
|
],
|
|
'wildcardVarAndReturn' => [
|
|
'<?php
|
|
class Numbers {
|
|
public const ONE = 1;
|
|
public const TWO = 2;
|
|
}
|
|
|
|
class Number {
|
|
/**
|
|
* @var Numbers::*
|
|
*/
|
|
private $number;
|
|
|
|
/**
|
|
* @param Numbers::* $number
|
|
*/
|
|
public function __construct($number) {
|
|
$this->number = $number;
|
|
}
|
|
|
|
/**
|
|
* @return Numbers::*
|
|
*/
|
|
public function get(): int {
|
|
return $this->number;
|
|
}
|
|
}'
|
|
],
|
|
'lowercaseStringAccessClassConstant' => [
|
|
'<?php
|
|
class A {
|
|
const C = [
|
|
"a" => 1,
|
|
"b" => 2,
|
|
"c" => 3
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @param lowercase-string $s
|
|
*/
|
|
function foo(string $s, string $t) : void {
|
|
echo A::C[$t];
|
|
echo A::C[$s];
|
|
}'
|
|
],
|
|
'arrayKeyExistsWithClassConst' => [
|
|
'<?php
|
|
class C {}
|
|
class D {}
|
|
|
|
class A {
|
|
const FLAGS = [
|
|
0 => [C::class => "foo"],
|
|
1 => [D::class => "bar"],
|
|
];
|
|
|
|
private function foo(int $i) : void {
|
|
if (array_key_exists(C::class, self::FLAGS[$i])) {
|
|
echo self::FLAGS[$i][C::class];
|
|
}
|
|
}
|
|
}'
|
|
],
|
|
'getClassConstantOffset' => [
|
|
'<?php
|
|
class C {
|
|
private const A = [ 0 => "string" ];
|
|
private const B = self::A[0];
|
|
|
|
public function foo(): string {
|
|
return self::B;
|
|
}
|
|
}'
|
|
],
|
|
'bitwiseOrClassConstant' => [
|
|
'<?php
|
|
class X {
|
|
public const A = 1;
|
|
public const B = 2;
|
|
public const C = self::A | self::B;
|
|
}
|
|
|
|
$c = X::C;',
|
|
[
|
|
'$c' => 'int',
|
|
]
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @return iterable<string,array{string,error_message:string,2?:string[],3?:bool,4?:string}>
|
|
*/
|
|
public function providerInvalidCodeParse()
|
|
{
|
|
return [
|
|
'constantDefinedInFunctionButNotCalled' => [
|
|
'<?php
|
|
/**
|
|
* @return void
|
|
*/
|
|
function defineConstant() {
|
|
define("CONSTANT", 1);
|
|
}
|
|
|
|
echo CONSTANT;',
|
|
'error_message' => 'UndefinedConstant',
|
|
],
|
|
'undefinedClassConstantInParamDefault' => [
|
|
'<?php
|
|
class A {
|
|
public function doSomething(int $howManyTimes = self::DEFAULT_TIMES): void {}
|
|
}',
|
|
'error_message' => 'UndefinedConstant',
|
|
],
|
|
'nonMatchingConstantOffset' => [
|
|
'<?php
|
|
class A {
|
|
const KEYS = ["one", "two", "three", "four"];
|
|
const ARR = [
|
|
"one" => 1,
|
|
"two" => 2
|
|
];
|
|
|
|
const ARR2 = [
|
|
"three" => 3,
|
|
"four" => 4
|
|
];
|
|
}
|
|
|
|
foreach (A::KEYS as $key) {
|
|
if (isset(A::ARR[$key])) {
|
|
echo A::ARR2[$key];
|
|
}
|
|
}',
|
|
'error_message' => 'InvalidArrayOffset',
|
|
],
|
|
'objectLikeConstArrays' => [
|
|
'<?php
|
|
class C {
|
|
const A = 0;
|
|
const B = 1;
|
|
|
|
const ARR = [
|
|
self::A => "zero",
|
|
self::B => "two",
|
|
];
|
|
}
|
|
|
|
if (C::ARR[C::A] === "two") {}',
|
|
'error_message' => 'TypeDoesNotContainType',
|
|
],
|
|
'missingClassConstInArray' => [
|
|
'<?php
|
|
class A {
|
|
const B = 1;
|
|
const C = [B];
|
|
}',
|
|
'error_message' => 'UndefinedConstant',
|
|
],
|
|
'resolveConstToCurrentClassWithBadReturn' => [
|
|
'<?php
|
|
interface I {
|
|
public const C = "a";
|
|
|
|
public function getC(): string;
|
|
}
|
|
|
|
class A implements I {
|
|
public function getC(): string {
|
|
return self::C;
|
|
}
|
|
}
|
|
|
|
class B extends A {
|
|
public const C = [5];
|
|
|
|
public function getC(): string {
|
|
return self::C;
|
|
}
|
|
}',
|
|
'error_message' => 'InvalidReturnStatement',
|
|
],
|
|
'outOfScopeDefinedConstant' => [
|
|
'<?php
|
|
namespace {
|
|
define("A\\B", 0);
|
|
}
|
|
namespace C {
|
|
echo A\B;
|
|
}',
|
|
'error_message' => 'UndefinedConstant',
|
|
],
|
|
'preventStaticClassConstWithoutRef' => [
|
|
'<?php
|
|
class Foo {
|
|
public const CONST = 1;
|
|
|
|
public function x() : void {
|
|
echo static::CON;
|
|
}
|
|
}',
|
|
'error_message' => 'UndefinedConstant',
|
|
],
|
|
'noCyclicConstReferences' => [
|
|
'<?php
|
|
class A {
|
|
const FOO = B::FOO;
|
|
}
|
|
|
|
class B {
|
|
const FOO = C::FOO;
|
|
}
|
|
|
|
class C {
|
|
const FOO = A::FOO;
|
|
}',
|
|
'error_message' => 'CircularReference'
|
|
],
|
|
'keyOfBadValue' => [
|
|
'<?php
|
|
class A {
|
|
const C = [
|
|
1 => "a",
|
|
2 => "b",
|
|
3 => "c"
|
|
];
|
|
|
|
/**
|
|
* @param key-of<A::C> $i
|
|
*/
|
|
public static function foo(int $i) : void {}
|
|
}
|
|
|
|
A::foo(4);',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'valueOfBadValue' => [
|
|
'<?php
|
|
class A {
|
|
const C = [
|
|
1 => "a",
|
|
2 => "b",
|
|
3 => "c"
|
|
];
|
|
|
|
/**
|
|
* @param value-of<A::C> $j
|
|
*/
|
|
public static function bar(string $j) : void {}
|
|
}
|
|
|
|
A::bar("d");',
|
|
'error_message' => 'InvalidArgument',
|
|
],
|
|
'wildcardEnumBadValue' => [
|
|
'<?php
|
|
class A {
|
|
const C_1 = 1;
|
|
const C_2 = 2;
|
|
const C_3 = 3;
|
|
const D_4 = 4;
|
|
|
|
/**
|
|
* @param self::C_* $i
|
|
*/
|
|
public static function foo(int $i) : void {}
|
|
}
|
|
|
|
A::foo(A::D_4);',
|
|
'error_message' => 'InvalidArgument'
|
|
],
|
|
];
|
|
}
|
|
}
|