mirror of
https://github.com/danog/psalm.git
synced 2024-12-02 09:37:59 +01:00
1942 lines
65 KiB
PHP
1942 lines
65 KiB
PHP
<?php
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namespace Psalm\Tests\Template;
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use Psalm\Tests\TestCase;
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use Psalm\Tests\Traits;
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class ClassTemplateTest 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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'classTemplate' => [
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'<?php
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class A {}
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class B {}
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class C {}
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class D {}
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/**
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* @template T as object
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*/
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class Foo {
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/** @var T::class */
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public $T;
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/**
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* @param class-string $T
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* @template-typeof T $T
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*/
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public function __construct(string $T) {
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$this->T = $T;
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}
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/**
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* @return T
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*/
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public function bar() {
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$t = $this->T;
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return new $t();
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}
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}
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$at = "A";
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/** @var Foo<A> */
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$afoo = new Foo($at);
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$afoo_bar = $afoo->bar();
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$bfoo = new Foo(B::class);
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$bfoo_bar = $bfoo->bar();
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// this shouldn’t cause a problem as it’s a docbblock type
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if (!($bfoo_bar instanceof B)) {}
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$c = C::class;
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$cfoo = new Foo($c);
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$cfoo_bar = $cfoo->bar();',
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'assertions' => [
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'$afoo' => 'Foo<A>',
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'$afoo_bar' => 'A',
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'$bfoo' => 'Foo<B>',
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'$bfoo_bar' => 'B',
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'$cfoo' => 'Foo<C>',
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'$cfoo_bar' => 'C',
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],
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'error_levels' => [
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'MixedReturnStatement',
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'LessSpecificReturnStatement',
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'DocblockTypeContradiction',
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'TypeCoercion',
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],
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],
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'classTemplateSelfs' => [
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'<?php
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/**
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* @template T as object
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*/
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class Foo {
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/** @var T::class */
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public $T;
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/**
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* @param class-string $T
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* @template-typeof T $T
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*/
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public function __construct(string $T) {
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$this->T = $T;
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}
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/**
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* @return T
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*/
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public function bar() {
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$t = $this->T;
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return new $t();
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}
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}
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class E {
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/**
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* @return Foo<self>
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*/
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public static function getFoo() {
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return new Foo(__CLASS__);
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}
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/**
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* @return Foo<self>
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*/
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public static function getFoo2() {
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return new Foo(self::class);
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}
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/**
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* @return Foo<static>
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*/
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public static function getFoo3() {
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return new Foo(static::class);
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}
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}
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class G extends E {}
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$efoo = E::getFoo();
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$efoo2 = E::getFoo2();
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$efoo3 = E::getFoo3();
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$gfoo = G::getFoo();
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$gfoo2 = G::getFoo2();
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$gfoo3 = G::getFoo3();',
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'assertions' => [
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'$efoo' => 'Foo<E>',
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'$efoo2' => 'Foo<E>',
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'$efoo3' => 'Foo<E>',
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'$gfoo' => 'Foo<E>',
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'$gfoo2' => 'Foo<E>',
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'$gfoo3' => 'Foo<G>',
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],
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'error_levels' => [
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'LessSpecificReturnStatement',
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'RedundantConditionGivenDocblockType',
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],
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],
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'classTemplateExternalClasses' => [
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'<?php
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/**
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* @template T as object
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*/
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class Foo {
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/** @var T::class */
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public $T;
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/**
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* @param class-string $T
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* @template-typeof T $T
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*/
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public function __construct(string $T) {
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$this->T = $T;
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}
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/**
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* @return T
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*/
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public function bar() {
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$t = $this->T;
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return new $t();
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}
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}
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$efoo = new Foo(\Exception::class);
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$efoo_bar = $efoo->bar();
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$ffoo = new Foo(\LogicException::class);
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$ffoo_bar = $ffoo->bar();',
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'assertions' => [
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'$efoo' => 'Foo<Exception>',
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'$efoo_bar' => 'Exception',
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'$ffoo' => 'Foo<LogicException>',
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'$ffoo_bar' => 'LogicException',
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],
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'error_levels' => ['LessSpecificReturnStatement'],
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],
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'classTemplateContainer' => [
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'<?php
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class A {}
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/**
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* @template T
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*/
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class Foo {
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/** @var T */
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public $obj;
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/**
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* @param T $obj
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*/
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public function __construct($obj) {
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$this->obj = $obj;
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}
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/**
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* @return T
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*/
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public function bar() {
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return $this->obj;
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}
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/**
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* @return T
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*/
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public function bat() {
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return $this->bar();
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}
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public function __toString(): string {
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return "hello " . $this->obj;
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}
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}
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$afoo = new Foo(new A());
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$afoo_bar = $afoo->bar();',
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'assertions' => [
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'$afoo' => 'Foo<A>',
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'$afoo_bar' => 'A',
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],
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'error_levels' => ['MixedOperand'],
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],
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'validPsalmTemplatedClassType' => [
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'<?php
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class A {}
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/**
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* @psalm-template T
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*/
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class Foo {
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/**
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* @param T $x
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*/
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public function bar($x): void { }
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}
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$afoo = new Foo();
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$afoo->bar(new A());',
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],
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'intersectionTemplatedTypes' => [
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'<?php
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namespace NS;
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use Countable;
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/** @template T */
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class Collection
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{
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/** @psalm-var iterable<T> */
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private $data;
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/** @psalm-param iterable<T> $data */
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public function __construct(iterable $data) {
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$this->data = $data;
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}
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}
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class Item {}
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/** @psalm-param Collection<Item> $c */
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function takesCollectionOfItems(Collection $c): void {}
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/** @psalm-var iterable<Item> $data2 */
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$data2 = [];
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takesCollectionOfItems(new Collection($data2));
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/** @psalm-var iterable<Item>&Countable $data */
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$data = [];
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takesCollectionOfItems(new Collection($data));',
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],
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'repeatedCall' => [
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'<?php
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namespace NS;
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use Closure;
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/**
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* @template TKey as array-key
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* @template TValue
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*/
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class ArrayCollection {
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/** @var array<TKey,TValue> */
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private $data;
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/** @param array<TKey,TValue> $data */
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public function __construct(array $data) {
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$this->data = $data;
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}
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/**
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* @template T
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* @param Closure(TValue):T $func
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* @return ArrayCollection<TKey,T>
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*/
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public function map(Closure $func) {
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return new static(array_map($func, $this->data));
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}
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}
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class Item {}
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/**
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* @param ArrayCollection<array-key,Item> $i
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*/
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function takesCollectionOfItems(ArrayCollection $i): void {}
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$c = new ArrayCollection([ new Item ]);
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takesCollectionOfItems($c);
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takesCollectionOfItems($c->map(function(Item $i): Item { return $i;}));
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takesCollectionOfItems($c->map(function(Item $i): Item { return $i;}));',
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],
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'noRepeatedTypeException' => [
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'<?php
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/** @template T */
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class Foo
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{
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/**
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* @psalm-var class-string
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*/
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private $type;
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/** @var array<T> */
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private $items;
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/**
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* @param class-string $type
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* @template-typeof T $type
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*/
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public function __construct(string $type)
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{
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if (!in_array($type, [A::class, B::class], true)) {
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throw new \InvalidArgumentException;
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}
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$this->type = $type;
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$this->items = [];
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}
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/** @param T $item */
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public function add($item): void
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{
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$this->items[] = $item;
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}
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}
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class FooFacade
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{
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/**
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* @template T
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* @param T $item
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*/
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public function add($item): void
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{
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$foo = $this->ensureFoo([$item]);
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$foo->add($item);
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}
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/**
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* @template T
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* @param array<mixed,T> $items
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* @return Foo<T>
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*/
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private function ensureFoo(array $items): Foo
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{
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$type = $items[0] instanceof A ? A::class : B::class;
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return new Foo($type);
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}
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}
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class A {}
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class B {}',
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],
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'collectionOfClosure' => [
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'<?php
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/**
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* @template TKey
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* @template TValue
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*/
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class Collection {
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/**
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* @param Closure(TValue):bool $p
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* @return Collection<TKey,TValue>
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* @psalm-suppress MixedTypeCoercion
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*/
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public function filter(Closure $p) {
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return $this;
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}
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}
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class I {}
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/** @var Collection<mixed,Collection<mixed,I>> $c */
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$c = new Collection;
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$c->filter(
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/** @param Collection<mixed,I> $elt */
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function(Collection $elt): bool { return (bool) rand(0,1); }
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);
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$c->filter(
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/** @param Collection<mixed,I> $elt */
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function(Collection $elt): bool { return true; }
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);',
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],
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'templatedInterfaceIteration' => [
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'<?php
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namespace NS;
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/**
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* @template TKey
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* @template TValue
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*/
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interface ICollection extends \IteratorAggregate {
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/** @return \Traversable<TKey,TValue> */
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public function getIterator();
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}
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class Collection implements ICollection {
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/** @var array */
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private $data;
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public function __construct(array $data) {
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$this->data = $data;
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}
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/** @psalm-suppress LessSpecificImplementedReturnType */
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public function getIterator(): \Traversable {
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return new \ArrayIterator($this->data);
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}
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}
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/** @var ICollection<string, int> */
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$c = new Collection(["a" => 1]);
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foreach ($c as $k => $v) { atan($v); strlen($k); }',
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],
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'templatedInterfaceGetIteratorIteration' => [
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'<?php
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namespace NS;
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/**
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* @template TKey
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* @template TValue
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*/
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interface ICollection extends \IteratorAggregate {
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/** @return \Traversable<TKey,TValue> */
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public function getIterator();
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}
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class Collection implements ICollection {
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/** @var array */
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private $data;
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public function __construct(array $data) {
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$this->data = $data;
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}
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/** @psalm-suppress LessSpecificImplementedReturnType */
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public function getIterator(): \Traversable {
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return new \ArrayIterator($this->data);
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}
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}
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/** @var ICollection<string, int> */
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$c = new Collection(["a" => 1]);
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foreach ($c->getIterator() as $k => $v) { atan($v); strlen($k); }',
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],
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'allowTemplatedIntersectionToExtend' => [
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'<?php
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interface Foo {}
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interface AlmostFoo {
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/**
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* @return Foo
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*/
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public function makeFoo();
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}
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/**
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* @template T
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*/
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final class AlmostFooMap implements AlmostFoo {
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/** @var T&Foo */
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private $bar;
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/**
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* @param T&Foo $bar
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*/
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public function __construct(Foo $bar)
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{
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$this->bar = $bar;
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}
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/**
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* @return T&Foo
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*/
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public function makeFoo()
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{
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return $this->bar;
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}
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}',
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],
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'restrictTemplateInputWithTClassGoodInput' => [
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'<?php
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namespace Bar;
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/** @template T */
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class Foo
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{
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/**
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* @psalm-var T::class
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*/
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private $type;
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/** @var array<T> */
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private $items;
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/**
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* @param T::class $type
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*/
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public function __construct(string $type)
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{
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if (!in_array($type, [A::class, B::class], true)) {
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throw new \InvalidArgumentException;
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}
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$this->type = $type;
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$this->items = [];
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}
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/** @param T $item */
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public function add($item): void
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{
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$this->items[] = $item;
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}
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}
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class A {}
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class B {}
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$foo = new Foo(A::class);
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$foo->add(new A);',
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],
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'classTemplateFunctionImplementsInterface' => [
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'<?php
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namespace A\B;
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interface Foo {}
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interface IFooGetter {
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/**
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* @return Foo
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*/
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public function getFoo();
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}
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/**
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* @template T as Foo
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*/
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class FooGetter implements IFooGetter {
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/** @var T */
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private $t;
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/**
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* @param T $t
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*/
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public function __construct(Foo $t)
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{
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$this->t = $t;
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}
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|
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/**
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* @return T
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*/
|
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public function getFoo()
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{
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return $this->t;
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}
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}
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|
||
function passFoo(Foo $f) : Foo {
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return (new FooGetter($f))->getFoo();
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}',
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],
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'getPropertyOnClass' => [
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'<?php
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class Foo {
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||
/** @var int */
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public $id = 0;
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}
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|
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/**
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* @template T as Foo
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*/
|
||
class Collection {
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/**
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||
* @var class-string<T>
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*/
|
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private $type;
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|
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/**
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* @param class-string<T> $type
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*/
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public function __construct(string $type) {
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$this->type = $type;
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}
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|
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/**
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||
* @return class-string<T>
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||
*/
|
||
public function getType()
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||
{
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return $this->type;
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||
}
|
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|
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/**
|
||
* @param T $object
|
||
*/
|
||
public function bar(Foo $object) : void
|
||
{
|
||
if ($this->getType() !== get_class($object)) {
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return;
|
||
}
|
||
|
||
echo $object->id;
|
||
}
|
||
}
|
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|
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class FooChild extends Foo {}
|
||
|
||
/** @param Collection<Foo> $c */
|
||
function handleCollectionOfFoo(Collection $c) : void {
|
||
if ($c->getType() === FooChild::class) {}
|
||
}',
|
||
],
|
||
'getEquateClass' => [
|
||
'<?php
|
||
class Foo {
|
||
/** @var int */
|
||
public $id = 0;
|
||
}
|
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|
||
/**
|
||
* @template T as Foo
|
||
*/
|
||
class Container {
|
||
/**
|
||
* @var T
|
||
*/
|
||
private $obj;
|
||
|
||
/**
|
||
* @param T $obj
|
||
*/
|
||
public function __construct(Foo $obj) {
|
||
$this->obj = $obj;
|
||
}
|
||
|
||
/**
|
||
* @param T $object
|
||
*/
|
||
public function bar(Foo $object) : void
|
||
{
|
||
if ($this->obj === $object) {}
|
||
}
|
||
}',
|
||
],
|
||
'allowComparisonGetTypeResult' => [
|
||
'<?php
|
||
class Foo {}
|
||
|
||
/**
|
||
* @template T as Foo
|
||
*/
|
||
class Collection {
|
||
/**
|
||
* @var class-string<T>
|
||
*/
|
||
private $type;
|
||
|
||
/**
|
||
* @param class-string<T> $type
|
||
*/
|
||
public function __construct(string $type) {
|
||
$this->type = $type;
|
||
}
|
||
|
||
/**
|
||
* @return class-string<T>|null
|
||
*/
|
||
public function getType()
|
||
{
|
||
return $this->type;
|
||
}
|
||
}
|
||
|
||
function foo(Collection $c) : void {
|
||
$val = $c->getType();
|
||
if (!$val) {}
|
||
if ($val) {}
|
||
}',
|
||
],
|
||
'mixedTemplatedParamOutWithNoExtendedTemplate' => [
|
||
'<?php
|
||
/**
|
||
* @template TValue
|
||
*/
|
||
class ValueContainer
|
||
{
|
||
/**
|
||
* @var TValue
|
||
*/
|
||
private $v;
|
||
/**
|
||
* @param TValue $v
|
||
*/
|
||
public function __construct($v)
|
||
{
|
||
$this->v = $v;
|
||
}
|
||
/**
|
||
* @return TValue
|
||
*/
|
||
public function getValue()
|
||
{
|
||
return $this->v;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @template TKey
|
||
* @template TValue
|
||
*/
|
||
class KeyValueContainer extends ValueContainer
|
||
{
|
||
/**
|
||
* @var TKey
|
||
*/
|
||
private $k;
|
||
/**
|
||
* @param TKey $k
|
||
* @param TValue $v
|
||
*/
|
||
public function __construct($k, $v)
|
||
{
|
||
$this->k = $k;
|
||
parent::__construct($v);
|
||
}
|
||
/**
|
||
* @return TKey
|
||
*/
|
||
public function getKey()
|
||
{
|
||
return $this->k;
|
||
}
|
||
}
|
||
$a = new KeyValueContainer("hello", 15);
|
||
$b = $a->getValue();',
|
||
[
|
||
'$a' => 'KeyValueContainer<string, int>',
|
||
'$b' => 'mixed',
|
||
],
|
||
'error_levels' => ['MixedAssignment'],
|
||
],
|
||
'mixedTemplatedParamOutDifferentParamName' => [
|
||
'<?php
|
||
/**
|
||
* @template TValue
|
||
*/
|
||
class ValueContainer
|
||
{
|
||
/**
|
||
* @var TValue
|
||
*/
|
||
private $v;
|
||
/**
|
||
* @param TValue $v
|
||
*/
|
||
public function __construct($v)
|
||
{
|
||
$this->v = $v;
|
||
}
|
||
/**
|
||
* @return TValue
|
||
*/
|
||
public function getValue()
|
||
{
|
||
return $this->v;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @template TKey
|
||
* @template Tv
|
||
*/
|
||
class KeyValueContainer extends ValueContainer
|
||
{
|
||
/**
|
||
* @var TKey
|
||
*/
|
||
private $k;
|
||
/**
|
||
* @param TKey $k
|
||
* @param Tv $v
|
||
*/
|
||
public function __construct($k, $v)
|
||
{
|
||
$this->k = $k;
|
||
parent::__construct($v);
|
||
}
|
||
/**
|
||
* @return TKey
|
||
*/
|
||
public function getKey()
|
||
{
|
||
return $this->k;
|
||
}
|
||
}
|
||
$a = new KeyValueContainer("hello", 15);
|
||
$b = $a->getValue();',
|
||
[
|
||
'$a' => 'KeyValueContainer<string, int>',
|
||
'$b' => 'mixed',
|
||
],
|
||
'error_levels' => ['MixedAssignment'],
|
||
],
|
||
'doesntExtendTemplateAndDoesNotOverride' => [
|
||
'<?php
|
||
/**
|
||
* @template T as array-key
|
||
*/
|
||
abstract class User
|
||
{
|
||
/**
|
||
* @var T
|
||
*/
|
||
private $id;
|
||
/**
|
||
* @param T $id
|
||
*/
|
||
public function __construct($id)
|
||
{
|
||
$this->id = $id;
|
||
}
|
||
/**
|
||
* @return T
|
||
*/
|
||
public function getID()
|
||
{
|
||
return $this->id;
|
||
}
|
||
}
|
||
|
||
class AppUser extends User {}
|
||
|
||
$au = new AppUser(-1);
|
||
$id = $au->getId();',
|
||
[
|
||
'$au' => 'AppUser',
|
||
'$id' => 'array-key',
|
||
],
|
||
],
|
||
'templateObjectLikeValues' => [
|
||
'<?php
|
||
/**
|
||
* @template TKey
|
||
* @template TValue
|
||
*/
|
||
class Collection {
|
||
/**
|
||
* @return array{0:Collection<TKey,TValue>,1:Collection<TKey,TValue>}
|
||
* @psalm-suppress InvalidReturnType
|
||
*/
|
||
public function partition() {}
|
||
}
|
||
|
||
/** @var Collection<int,string> $c */
|
||
$c = new Collection;
|
||
[$partA, $partB] = $c->partition();',
|
||
[
|
||
'$partA' => 'Collection<int, string>',
|
||
'$partB' => 'Collection<int, string>',
|
||
],
|
||
],
|
||
'doublyLinkedListConstructor' => [
|
||
'<?php
|
||
$list = new SplDoublyLinkedList();
|
||
$list->add(5, "hello");
|
||
$list->add("hello", 5);
|
||
|
||
/** @var SplDoublyLinkedList<int, string> */
|
||
$templated_list = new SplDoublyLinkedList();
|
||
$templated_list->add(5, "hello");
|
||
$a = $templated_list->bottom();',
|
||
[
|
||
'$a' => 'string',
|
||
],
|
||
],
|
||
'templateDefaultSimpleString' => [
|
||
'<?php
|
||
/**
|
||
* @template T as string
|
||
*/
|
||
class C {
|
||
/** @var T */
|
||
public $t;
|
||
|
||
/**
|
||
* @param T $t
|
||
*/
|
||
function __construct(string $t = "hello") {
|
||
$this->t = $t;
|
||
}
|
||
}
|
||
|
||
$c = new C();',
|
||
'assertions' => [
|
||
'$c===' => 'C<string(hello)>',
|
||
],
|
||
],
|
||
'SKIPPED-templateDefaultConstant' => [
|
||
'<?php
|
||
const FOO = "bar";
|
||
|
||
/**
|
||
* @template T as string
|
||
*/
|
||
class E {
|
||
/** @var T */
|
||
public $t;
|
||
|
||
/**
|
||
* @param T $t
|
||
*/
|
||
function __construct(string $t = FOO) {
|
||
$this->t = $t;
|
||
}
|
||
}
|
||
|
||
$e = new E();',
|
||
'assertions' => [
|
||
'$e===' => 'E<string(bar)>',
|
||
],
|
||
],
|
||
'SKIPPED-templateDefaultClassConstant' => [
|
||
'<?php
|
||
class D {
|
||
const FOO = "bar";
|
||
}
|
||
|
||
/**
|
||
* @template T as string
|
||
*/
|
||
class E {
|
||
/** @var T */
|
||
public $t;
|
||
|
||
/**
|
||
* @param T $t
|
||
*/
|
||
function __construct(string $t = D::FOO) {
|
||
$this->t = $t;
|
||
}
|
||
}
|
||
|
||
$e = new E();',
|
||
'assertions' => [
|
||
'$e===' => 'E<string(bar)>',
|
||
],
|
||
],
|
||
'allowNullablePropertyAssignment' => [
|
||
'<?php
|
||
/**
|
||
* @template T1
|
||
*/
|
||
interface I {
|
||
/**
|
||
* @return T1
|
||
*/
|
||
public function get();
|
||
}
|
||
|
||
/**
|
||
* @template T2
|
||
*/
|
||
class C {
|
||
/**
|
||
* @var T2|null
|
||
*/
|
||
private $bar;
|
||
|
||
/**
|
||
* @param I<T2> $foo
|
||
*/
|
||
public function __construct(I $foo) {
|
||
$this->bar = $foo->get();
|
||
}
|
||
}',
|
||
],
|
||
'reflectionClass' => [
|
||
'<?php
|
||
/**
|
||
* @template T as object
|
||
*
|
||
* @property-read class-string<T> $name
|
||
*/
|
||
class CustomReflectionClass {
|
||
/**
|
||
* @var class-string<T>
|
||
*/
|
||
public $name;
|
||
|
||
/**
|
||
* @param T|class-string<T> $argument
|
||
*/
|
||
public function __construct($argument) {
|
||
if (is_object($argument)) {
|
||
$this->name = get_class($argument);
|
||
} else {
|
||
$this->name = $argument;
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @template T as object
|
||
* @param class-string<T> $className
|
||
* @return CustomReflectionClass<T>
|
||
*/
|
||
function getTypeOf(string $className) {
|
||
return new CustomReflectionClass($className);
|
||
}',
|
||
],
|
||
'ignoreTooManyGenericObjectArgs' => [
|
||
'<?php
|
||
/**
|
||
* @template T
|
||
*/
|
||
class C {
|
||
/** @var T */
|
||
public $t;
|
||
|
||
/** @param T $t */
|
||
public function __construct($t) {
|
||
$this->t = $t;
|
||
}
|
||
}
|
||
|
||
/** @param C<int> $c */
|
||
function takesC(C $c) : void {}
|
||
|
||
/**
|
||
* @psalm-suppress TooManyTemplateParams
|
||
* @var C<int, int>
|
||
*/
|
||
$c = new C(5);
|
||
takesC($c);',
|
||
],
|
||
'classTemplateUnionType' => [
|
||
'<?php
|
||
/**
|
||
* @template T0 as int|string
|
||
*/
|
||
class C {
|
||
/**
|
||
* @param T0 $t
|
||
*/
|
||
public function foo($t) : void {}
|
||
}
|
||
|
||
/** @param C<int> $c */
|
||
function foo(C $c) : void {}
|
||
|
||
/** @param C<string> $c */
|
||
function bar(C $c) : void {}',
|
||
],
|
||
'unionAsTypeReturnType' => [
|
||
'<?php
|
||
/**
|
||
* @template TKey of ?array-key
|
||
* @template T
|
||
*/
|
||
interface Collection
|
||
{
|
||
/**
|
||
* @param Closure(T=):bool $p
|
||
* @return Collection<TKey, T>
|
||
*/
|
||
public function filter(Closure $p);
|
||
}',
|
||
],
|
||
'converterObject' => [
|
||
'<?php
|
||
/**
|
||
* @template I as array-key
|
||
* @template V
|
||
*/
|
||
class Converter
|
||
{
|
||
/**
|
||
* @var array<I, V> $records
|
||
*/
|
||
public $records;
|
||
|
||
/**
|
||
* @param array<I, V> $records
|
||
*/
|
||
public function __construct(array $records) {
|
||
$this->records = $records;
|
||
}
|
||
|
||
/**
|
||
* @template Q2 as object
|
||
*
|
||
* @param Q2 $obj2
|
||
*
|
||
* @return array<I, V|Q2>
|
||
*/
|
||
private function appender(object $obj2): array
|
||
{
|
||
$arr = [];
|
||
foreach ($this->records as $key => $obj) {
|
||
if (rand(0, 1)) {
|
||
$obj = $obj2;
|
||
}
|
||
$arr[$key] = $obj;
|
||
}
|
||
|
||
return $arr;
|
||
}
|
||
|
||
/**
|
||
* @template Q1 as object
|
||
*
|
||
* @param Q1 $obj
|
||
*
|
||
* @return array<I, V|Q1>
|
||
*/
|
||
public function appendProperty(object $obj): array
|
||
{
|
||
return $this->appender($obj);
|
||
}
|
||
}',
|
||
],
|
||
'converterClassString' => [
|
||
'<?php
|
||
/**
|
||
* @template I as array-key
|
||
* @template V
|
||
*/
|
||
class Converter
|
||
{
|
||
/**
|
||
* @var array<I, V> $records
|
||
*/
|
||
public $records;
|
||
|
||
/**
|
||
* @param array<I, V> $records
|
||
*/
|
||
public function __construct(array $records) {
|
||
$this->records = $records;
|
||
}
|
||
|
||
/**
|
||
* @template Q as object
|
||
*
|
||
* @param class-string<Q> $obj
|
||
*
|
||
* @return array<I, V>
|
||
*/
|
||
public function appendProperty(string $obj): array
|
||
{
|
||
return $this->appender($obj);
|
||
}
|
||
|
||
/**
|
||
* @template Q as object
|
||
*
|
||
* @param class-string<Q> $obj2
|
||
*
|
||
* @return array<I, V|Q>
|
||
*/
|
||
private function appender(string $obj2): array
|
||
{
|
||
$arr = [];
|
||
foreach ($this->records as $key => $obj) {
|
||
if (rand(0, 1)) {
|
||
$obj = new $obj2;
|
||
}
|
||
$arr[$key] = $obj;
|
||
}
|
||
|
||
return $arr;
|
||
}
|
||
}',
|
||
],
|
||
'allowTemplateReconciliation' => [
|
||
'<?php
|
||
/**
|
||
* @template T
|
||
*/
|
||
abstract class C {
|
||
/** @param T $t */
|
||
public function foo($t): void {
|
||
if (!$t) {}
|
||
if ($t) {}
|
||
}
|
||
}'
|
||
],
|
||
'allowTemplateParamsToCoerceToMinimumTypes' => [
|
||
'<?php
|
||
/**
|
||
* @psalm-template TKey of array-key
|
||
* @psalm-template T
|
||
*/
|
||
class ArrayCollection
|
||
{
|
||
/**
|
||
* @var array<TKey,T>
|
||
*/
|
||
private $elements;
|
||
|
||
/**
|
||
* @param array<TKey,T> $elements
|
||
*/
|
||
public function __construct(array $elements = [])
|
||
{
|
||
$this->elements = $elements;
|
||
}
|
||
}
|
||
|
||
/** @psalm-suppress MixedArgument */
|
||
$c = new ArrayCollection($_GET["a"]);',
|
||
[
|
||
'$c' => 'ArrayCollection<array-key, mixed>',
|
||
],
|
||
],
|
||
'doNotCombineTypes' => [
|
||
'<?php
|
||
class A {}
|
||
class B {}
|
||
|
||
/**
|
||
* @template T
|
||
*/
|
||
class C {
|
||
/**
|
||
* @var T
|
||
*/
|
||
private $t;
|
||
|
||
/**
|
||
* @param T $t
|
||
*/
|
||
public function __construct($t) {
|
||
$this->t = $t;
|
||
}
|
||
|
||
/**
|
||
* @return T
|
||
*/
|
||
public function get() {
|
||
return $this->t;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @param C<A> $a
|
||
* @param C<B> $b
|
||
* @return C<A>|C<B>
|
||
*/
|
||
function randomCollection(C $a, C $b) : C {
|
||
if (rand(0, 1)) {
|
||
return $a;
|
||
}
|
||
|
||
return $b;
|
||
}
|
||
|
||
$random_collection = randomCollection(new C(new A), new C(new B));
|
||
|
||
$a_or_b = $random_collection->get();',
|
||
[
|
||
'$random_collection' => 'C<A>|C<B>',
|
||
'$a_or_b' => 'B|A',
|
||
],
|
||
],
|
||
'inferClosureParamTypeFromContext' => [
|
||
'<?php
|
||
/**
|
||
* @template E
|
||
*/
|
||
interface Collection {
|
||
/**
|
||
* @template R
|
||
* @param callable(E):R $action
|
||
* @return Collection<R>
|
||
*/
|
||
function map(callable $action): self;
|
||
}
|
||
|
||
/**
|
||
* @template T
|
||
*/
|
||
interface Optional {
|
||
/**
|
||
* @return T
|
||
*/
|
||
function get();
|
||
}
|
||
|
||
/**
|
||
* @param Collection<Optional<string>> $collection
|
||
* @return Collection<string>
|
||
*/
|
||
function expandOptions(Collection $collection) : Collection {
|
||
return $collection->map(
|
||
function ($optional) {
|
||
return $optional->get();
|
||
}
|
||
);
|
||
}',
|
||
],
|
||
'templateEmptyParamCoercion' => [
|
||
'<?php
|
||
namespace NS;
|
||
use Countable;
|
||
|
||
/** @template T */
|
||
class Collection
|
||
{
|
||
/** @psalm-var iterable<T> */
|
||
private $data;
|
||
|
||
/** @psalm-param iterable<T> $data */
|
||
public function __construct(iterable $data = []) {
|
||
$this->data = $data;
|
||
}
|
||
}
|
||
|
||
class Item {}
|
||
/** @psalm-param Collection<Item> $c */
|
||
function takesCollectionOfItems(Collection $c): void {}
|
||
|
||
takesCollectionOfItems(new Collection());
|
||
takesCollectionOfItems(new Collection([]));',
|
||
],
|
||
'templatedGet' => [
|
||
'<?php
|
||
/**
|
||
* @template P as string
|
||
* @template V as mixed
|
||
*/
|
||
class PropertyBag {
|
||
/** @var array<P,V> */
|
||
protected $data = [];
|
||
|
||
/** @param array<P,V> $data */
|
||
public function __construct(array $data) {
|
||
$this->data = $data;
|
||
}
|
||
|
||
/** @param P $name */
|
||
public function __isset(string $name): bool {
|
||
return isset($this->data[$name]);
|
||
}
|
||
|
||
/**
|
||
* @param P $name
|
||
* @return V
|
||
*/
|
||
public function __get(string $name) {
|
||
return $this->data[$name];
|
||
}
|
||
}
|
||
|
||
$p = new PropertyBag(["a" => "data for a", "b" => "data for b"]);
|
||
|
||
$a = $p->a;',
|
||
[
|
||
'$a' => 'string'
|
||
]
|
||
],
|
||
'templateAsArray' => [
|
||
'<?php
|
||
/**
|
||
* @template DATA as array<string, scalar|array|object|null>
|
||
*/
|
||
abstract class Foo {
|
||
/**
|
||
* @var DATA
|
||
*/
|
||
protected $data;
|
||
|
||
/**
|
||
* @param DATA $data
|
||
*/
|
||
public function __construct(array $data) {
|
||
$this->data = $data;
|
||
}
|
||
|
||
/**
|
||
* @return scalar|array|object|null
|
||
*/
|
||
public function __get(string $property) {
|
||
return $this->data[$property] ?? null;
|
||
}
|
||
|
||
/**
|
||
* @param scalar|array|object|null $value
|
||
*/
|
||
public function __set(string $property, $value) {
|
||
$this->data[$property] = $value;
|
||
}
|
||
}',
|
||
],
|
||
'keyOfClassTemplateAcceptingIndexedAccess' => [
|
||
'<?php
|
||
/**
|
||
* @template TData as array
|
||
*/
|
||
abstract class DataBag {
|
||
/**
|
||
* @var TData
|
||
*/
|
||
protected $data;
|
||
|
||
/**
|
||
* @param TData $data
|
||
*/
|
||
public function __construct(array $data) {
|
||
$this->data = $data;
|
||
}
|
||
|
||
/**
|
||
* @template K as key-of<TData>
|
||
*
|
||
* @param K $property
|
||
* @param TData[K] $value
|
||
*/
|
||
public function __set(string $property, $value) {
|
||
$this->data[$property] = $value;
|
||
}
|
||
}'
|
||
],
|
||
'keyOfClassTemplateReturningIndexedAccess' => [
|
||
'<?php
|
||
/**
|
||
* @template TData as array
|
||
*/
|
||
abstract class DataBag {
|
||
/**
|
||
* @var TData
|
||
*/
|
||
protected $data;
|
||
|
||
/**
|
||
* @param TData $data
|
||
*/
|
||
public function __construct(array $data) {
|
||
$this->data = $data;
|
||
}
|
||
|
||
/**
|
||
* @template K as key-of<TData>
|
||
*
|
||
* @param K $property
|
||
*
|
||
* @return TData[K]
|
||
*/
|
||
public function __get(string $property) {
|
||
return $this->data[$property];
|
||
}
|
||
}'
|
||
],
|
||
'SKIPPED-templatedInterfaceIntersectionFirst' => [
|
||
'<?php
|
||
/** @psalm-template T */
|
||
interface IParent {
|
||
/** @psalm-return T */
|
||
function foo();
|
||
}
|
||
|
||
interface IChild extends IParent {}
|
||
|
||
class C {}
|
||
|
||
/** @psalm-return IParent<C>&IChild */
|
||
function makeConcrete() : IChild {
|
||
return new class() implements IChild {
|
||
public function foo() {
|
||
return new C();
|
||
}
|
||
};
|
||
}
|
||
|
||
$a = makeConcrete()->foo();',
|
||
[
|
||
'$a' => 'C',
|
||
]
|
||
],
|
||
'templatedInterfaceIntersectionSecond' => [
|
||
'<?php
|
||
/** @psalm-template T */
|
||
interface IParent {
|
||
/** @psalm-return T */
|
||
function foo();
|
||
}
|
||
|
||
interface IChild extends IParent {}
|
||
|
||
class C {}
|
||
|
||
/** @psalm-return IChild&IParent<C> */
|
||
function makeConcrete() : IChild {
|
||
return new class() implements IChild {
|
||
public function foo() {
|
||
return new C();
|
||
}
|
||
};
|
||
}
|
||
|
||
$a = makeConcrete()->foo();',
|
||
[
|
||
'$a' => 'C',
|
||
]
|
||
],
|
||
'returnTemplateIntersectionGenericObjectAndTemplate' => [
|
||
'<?php
|
||
/** @psalm-template Tp */
|
||
interface I {
|
||
/** @psalm-return Tp */
|
||
function getMe();
|
||
}
|
||
|
||
class C {}
|
||
|
||
/**
|
||
* @psalm-template T as object
|
||
*
|
||
* @psalm-param class-string<T> $className
|
||
*
|
||
* @psalm-return T&I<T>
|
||
*/
|
||
function makeConcrete(string $className) : object
|
||
{
|
||
return new class() extends C implements I {
|
||
public function getMe() {
|
||
return $this;
|
||
}
|
||
};
|
||
}
|
||
|
||
$a = makeConcrete(C::class);',
|
||
[
|
||
'$a' => 'C&I<C>'
|
||
]
|
||
],
|
||
'keyOfArrayGet' => [
|
||
'<?php
|
||
/**
|
||
* @template DATA as array<string, int|bool>
|
||
*/
|
||
abstract class Foo {
|
||
/**
|
||
* @var DATA
|
||
*/
|
||
protected $data;
|
||
|
||
/**
|
||
* @param DATA $data
|
||
*/
|
||
public function __construct(array $data) {
|
||
$this->data = $data;
|
||
}
|
||
|
||
/**
|
||
* @template K as key-of<DATA>
|
||
*
|
||
* @param K $property
|
||
*
|
||
* @return DATA[K]
|
||
*/
|
||
public function __get(string $property) {
|
||
return $this->data[$property];
|
||
}
|
||
}',
|
||
],
|
||
'keyOfArrayRandomKey' => [
|
||
'<?php
|
||
/**
|
||
* @template DATA as array<string, int|bool>
|
||
*/
|
||
abstract class Foo {
|
||
/**
|
||
* @var DATA
|
||
*/
|
||
protected $data;
|
||
|
||
/**
|
||
* @param DATA $data
|
||
*/
|
||
public function __construct(array $data) {
|
||
$this->data = $data;
|
||
}
|
||
|
||
/**
|
||
* @return key-of<DATA>
|
||
*/
|
||
abstract public function getRandomKey() : string;
|
||
}'
|
||
],
|
||
'allowBoolTemplateCoercion' => [
|
||
'<?php
|
||
/** @template T */
|
||
class TestPromise {
|
||
/** @psalm-param T $value */
|
||
public function __construct($value) {}
|
||
}
|
||
|
||
/** @return TestPromise<bool> */
|
||
function test(): TestPromise {
|
||
return new TestPromise(true);
|
||
}',
|
||
],
|
||
];
|
||
}
|
||
|
||
/**
|
||
* @return iterable<string,array{string,error_message:string,2?:string[],3?:bool,4?:string}>
|
||
*/
|
||
public function providerInvalidCodeParse()
|
||
{
|
||
return [
|
||
'restrictTemplateInputWithClassString' => [
|
||
'<?php
|
||
/** @template T as object */
|
||
class Foo
|
||
{
|
||
/**
|
||
* @psalm-var class-string
|
||
*/
|
||
private $type;
|
||
|
||
/** @var array<T> */
|
||
private $items;
|
||
|
||
/**
|
||
* @param T::class $type
|
||
*/
|
||
public function __construct(string $type)
|
||
{
|
||
if (!in_array($type, [A::class, B::class], true)) {
|
||
throw new \InvalidArgumentException;
|
||
}
|
||
$this->type = $type;
|
||
$this->items = [];
|
||
}
|
||
|
||
/** @param T $item */
|
||
public function add($item): void
|
||
{
|
||
$this->items[] = $item;
|
||
}
|
||
}
|
||
|
||
class A {}
|
||
class B {}
|
||
|
||
$foo = new Foo(A::class);
|
||
$foo->add(new B);',
|
||
'error_message' => 'InvalidArgument',
|
||
],
|
||
'restrictTemplateInputWithTClassBadInput' => [
|
||
'<?php
|
||
/** @template T */
|
||
class Foo
|
||
{
|
||
/**
|
||
* @psalm-var class-string
|
||
*/
|
||
private $type;
|
||
|
||
/** @var array<T> */
|
||
private $items;
|
||
|
||
/**
|
||
* @param T::class $type
|
||
*/
|
||
public function __construct(string $type)
|
||
{
|
||
if (!in_array($type, [A::class, B::class], true)) {
|
||
throw new \InvalidArgumentException;
|
||
}
|
||
$this->type = $type;
|
||
$this->items = [];
|
||
}
|
||
|
||
/** @param T $item */
|
||
public function add($item): void
|
||
{
|
||
$this->items[] = $item;
|
||
}
|
||
}
|
||
|
||
class A {}
|
||
class B {}
|
||
|
||
$foo = new Foo(A::class);
|
||
$foo->add(new B);',
|
||
'error_message' => 'InvalidArgument',
|
||
],
|
||
'templatedClosureProperty' => [
|
||
'<?php
|
||
final class State
|
||
{}
|
||
|
||
interface Foo
|
||
{}
|
||
|
||
function type(string ...$_p): void {}
|
||
|
||
/**
|
||
* @template T
|
||
*/
|
||
final class AlmostFooMap
|
||
{
|
||
/**
|
||
* @param callable(State):(T&Foo) $closure
|
||
*/
|
||
public function __construct(callable $closure)
|
||
{
|
||
type($closure);
|
||
}
|
||
}',
|
||
'error_message' => 'InvalidArgument - src' . DIRECTORY_SEPARATOR . 'somefile.php:20:34 - Argument 1 of type expects string, callable(State):(T as mixed)&Foo provided',
|
||
],
|
||
'templateWithNoReturn' => [
|
||
'<?php
|
||
/**
|
||
* @template T
|
||
*/
|
||
class A {
|
||
/** @return T */
|
||
public function foo() {}
|
||
}',
|
||
'error_message' => 'InvalidReturnType',
|
||
],
|
||
'templateInvalidDocblockArgument' => [
|
||
'<?php
|
||
/** @template T as object */
|
||
class Generic {}
|
||
|
||
/**
|
||
* @template T
|
||
* @param T $p
|
||
* @return Generic<T>
|
||
* @psalm-suppress InvalidReturnType
|
||
*/
|
||
function violate($p) {}',
|
||
'error_message' => 'InvalidTemplateParam',
|
||
],
|
||
'doublyLinkedListBadParam' => [
|
||
'<?php
|
||
/** @var SplDoublyLinkedList<int, string> */
|
||
$templated_list = new SplDoublyLinkedList();
|
||
$templated_list->add(5, []);',
|
||
'error_message' => 'InvalidArgument',
|
||
],
|
||
'copyScopedClassInNamespacedClass' => [
|
||
'<?php
|
||
namespace Foo;
|
||
|
||
/**
|
||
* @template Bar as DOMNode
|
||
*/
|
||
class Bar {}',
|
||
'error_message' => 'ReservedWord',
|
||
],
|
||
'duplicateTemplateFunction' => [
|
||
'<?php
|
||
/**
|
||
* @template T
|
||
*/
|
||
class Foo
|
||
{
|
||
/** @var T */
|
||
private $value;
|
||
|
||
/**
|
||
* @template T
|
||
* @param T $value
|
||
* @return self<T>
|
||
*/
|
||
static function of($value): self
|
||
{
|
||
return new self($value);
|
||
}
|
||
|
||
/**
|
||
* @param T $value
|
||
*/
|
||
private function __construct($value)
|
||
{
|
||
$this->value = $value;
|
||
}
|
||
}',
|
||
'error_message' => 'InvalidDocblock',
|
||
],
|
||
'preventDogCatSnafu' => [
|
||
'<?php
|
||
class Animal {}
|
||
class Dog extends Animal {}
|
||
class Cat extends Animal {}
|
||
|
||
/**
|
||
* @template T
|
||
*/
|
||
class Collection {
|
||
/**
|
||
* @param T $t
|
||
*/
|
||
public function add($t) : void {}
|
||
}
|
||
|
||
/**
|
||
* @param Collection<Animal> $list
|
||
*/
|
||
function addAnimal(Collection $list) : void {
|
||
$list->add(new Cat());
|
||
}
|
||
|
||
/**
|
||
* @param Collection<Dog> $list
|
||
*/
|
||
function takesDogList(Collection $list) : void {
|
||
addAnimal($list); // this should be an error
|
||
}',
|
||
'error_message' => 'InvalidArgument',
|
||
],
|
||
'preventCovariantParamUsage' => [
|
||
'<?php
|
||
/**
|
||
* @template-covariant T
|
||
*/
|
||
class Covariant {
|
||
/**
|
||
* @param T $value
|
||
*/
|
||
public function set($value): void {}
|
||
}',
|
||
'error_message' => 'InvalidTemplateParam',
|
||
],
|
||
'templateEmptyParamCoercionChangeVariable' => [
|
||
'<?php
|
||
namespace NS;
|
||
use Countable;
|
||
|
||
/** @template T */
|
||
class Collection
|
||
{
|
||
/** @psalm-var iterable<T> */
|
||
private $data;
|
||
|
||
/** @psalm-param iterable<T> $data */
|
||
public function __construct(iterable $data = []) {
|
||
$this->data = $data;
|
||
}
|
||
}
|
||
|
||
/** @psalm-param Collection<string> $c */
|
||
function takesStringCollection(Collection $c): void {}
|
||
|
||
/** @psalm-param Collection<int> $c */
|
||
function takesIntCollection(Collection $c): void {}
|
||
|
||
$collection = new Collection();
|
||
|
||
takesStringCollection($collection);
|
||
takesIntCollection($collection);',
|
||
'error_message' => 'InvalidScalarArgument',
|
||
],
|
||
'argumentExpectsFleshOutTIndexedAccess' => [
|
||
'<?php
|
||
/**
|
||
* @template TData as array
|
||
*/
|
||
abstract class Row {
|
||
/**
|
||
* @var TData
|
||
*/
|
||
protected $data;
|
||
|
||
/**
|
||
* @param TData $data
|
||
*/
|
||
public function __construct(array $data) {
|
||
$this->data = $data;
|
||
}
|
||
|
||
/**
|
||
* @template K as key-of<TData>
|
||
*
|
||
* @param K $property
|
||
*
|
||
* @return TData[K]
|
||
*/
|
||
public function __get(string $property) {
|
||
// validation logic would go here
|
||
return $this->data[$property];
|
||
}
|
||
|
||
/**
|
||
* @template K as key-of<TData>
|
||
*
|
||
* @param K $property
|
||
* @param TData[K] $value
|
||
*/
|
||
public function __set(string $property, $value) {
|
||
// data updating would go here
|
||
$this->data[$property] = $value;
|
||
}
|
||
}
|
||
|
||
/** @extends Row<array{id: int, name: string, height: float}> */
|
||
class CharacterRow extends Row {}
|
||
|
||
$mario = new CharacterRow(["id" => 5, "name" => "Mario", "height" => 3.5]);
|
||
|
||
$mario->ame = "Luigi";',
|
||
'error_message' => 'InvalidArgument - src' . DIRECTORY_SEPARATOR . 'somefile.php:47:29 - Argument 1 of CharacterRow::__set expects string(id)|string(name)|string(height), string(ame) provided',
|
||
],
|
||
];
|
||
}
|
||
}
|