mirror of
https://github.com/danog/psalm.git
synced 2024-11-27 12:55:26 +01:00
17edb2bbe6
* Add tests for keyed integer assignemnt * First pass to get keyed integer assignment working * Fix array assignment to object-like with different key type * Improve treatment of objectlikes for callable and iterable comparisons * Fix array assignment to strings and addition * Convert expression to CNF * Do better at merging property types * Fix array_rand key type
840 lines
27 KiB
PHP
840 lines
27 KiB
PHP
<?php
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namespace Psalm\Tests;
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use Psalm\Checker\FileChecker;
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use Psalm\Context;
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class ArrayAssignmentTest extends TestCase
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{
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use Traits\FileCheckerInvalidCodeParseTestTrait;
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use Traits\FileCheckerValidCodeParseTestTrait;
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/**
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* @return void
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*/
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public function testConditionalAssignment()
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{
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$this->addFile(
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'somefile.php',
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'<?php
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if ($b) {
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$foo["a"] = "hello";
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}'
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);
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$file_checker = new FileChecker('somefile.php', $this->project_checker);
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$context = new Context();
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$context->vars_in_scope['$b'] = \Psalm\Type::getBool();
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$context->vars_in_scope['$foo'] = \Psalm\Type::getArray();
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$file_checker->visitAndAnalyzeMethods($context);
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$this->assertFalse(isset($context->vars_in_scope['$foo[\'a\']']));
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}
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/**
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* @return array
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*/
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public function providerFileCheckerValidCodeParse()
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{
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return [
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'genericArrayCreationWithInt' => [
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'<?php
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$out = [];
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foreach ([1, 2, 3, 4, 5] as $value) {
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$out[] = 4;
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}',
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'assertions' => [
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'$out' => 'array<int, int>',
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],
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],
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'generic2dArrayCreation' => [
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'<?php
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$out = [];
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foreach ([1, 2, 3, 4, 5] as $value) {
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$out[] = [4];
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}',
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'assertions' => [
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'$out' => 'array<int, array{0:int}>',
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],
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],
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'generic2dArrayCreationAddedInIf' => [
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'<?php
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$out = [];
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$bits = [];
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foreach ([1, 2, 3, 4, 5] as $value) {
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if (rand(0,100) > 50) {
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$out[] = $bits;
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$bits = [];
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}
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$bits[] = 4;
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}
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if ($bits) {
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$out[] = $bits;
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}',
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'assertions' => [
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'$out' => 'array<int, array<int, int>>',
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],
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],
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'genericArrayCreationWithObjectAddedInIf' => [
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'<?php
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class B {}
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$out = [];
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if (rand(0,10) === 10) {
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$out[] = new B();
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}',
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'assertions' => [
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'$out' => 'array<int, B>',
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],
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],
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'genericArrayCreationWithElementAddedInSwitch' => [
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'<?php
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$out = [];
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switch (rand(0,10)) {
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case 5:
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$out[] = 4;
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break;
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case 6:
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// do nothing
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}',
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'assertions' => [
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'$out' => 'array<int, int>',
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],
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],
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'genericArrayCreationWithElementsAddedInSwitch' => [
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'<?php
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$out = [];
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switch (rand(0,10)) {
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case 5:
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$out[] = 4;
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break;
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case 6:
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$out[] = "hello";
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break;
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}',
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'assertions' => [
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'$out' => 'array<int, int|string>',
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],
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],
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'genericArrayCreationWithElementsAddedInSwitchWithNothing' => [
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'<?php
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$out = [];
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switch (rand(0,10)) {
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case 5:
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$out[] = 4;
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break;
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case 6:
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$out[] = "hello";
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break;
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case 7:
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// do nothing
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}',
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'assertions' => [
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'$out' => 'array<int, int|string>',
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],
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],
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'implicitIntArrayCreation' => [
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'<?php
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$foo = [];
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$foo[] = "hello";',
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'assertions' => [
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'$foo' => 'array<int, string>',
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],
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],
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'implicit2dIntArrayCreation' => [
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'<?php
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$foo = [];
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$foo[][] = "hello";',
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'assertions' => [
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'$foo' => 'array<int, array<int, string>>',
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],
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],
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'implicit3dIntArrayCreation' => [
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'<?php
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$foo = [];
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$foo[][][] = "hello";',
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'assertions' => [
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'$foo' => 'array<int, array<int, array<int, string>>>',
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],
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],
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'implicit4dIntArrayCreation' => [
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'<?php
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$foo = [];
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$foo[][][][] = "hello";',
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'assertions' => [
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'$foo' => 'array<int, array<int, array<int, array<int, string>>>>',
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],
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],
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'implicitIndexedIntArrayCreation' => [
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'<?php
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$foo = [];
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$foo[0] = "hello";
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$foo[1] = "hello";
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$foo[2] = "hello";
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$bar = [0, 1, 2];
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$bat = [];
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foreach ($foo as $i => $text) {
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$bat[$text] = $bar[$i];
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}',
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'assertions' => [
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'$foo' => 'array{0:string, 1:string, 2:string}',
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'$bar' => 'array{0:int, 1:int, 2:int}',
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'$bat' => 'array<string, int>',
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],
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],
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'implicitStringArrayCreation' => [
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'<?php
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$foo = [];
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$foo["bar"] = "hello";',
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'assertions' => [
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'$foo' => 'array{bar:string}',
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'$foo[\'bar\']' => 'string',
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],
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],
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'implicit2dStringArrayCreation' => [
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'<?php
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$foo = [];
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$foo["bar"]["baz"] = "hello";',
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'assertions' => [
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'$foo' => 'array{bar:array{baz:string}}',
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'$foo[\'bar\'][\'baz\']' => 'string',
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],
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],
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'implicit3dStringArrayCreation' => [
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'<?php
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$foo = [];
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$foo["bar"]["baz"]["bat"] = "hello";',
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'assertions' => [
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'$foo' => 'array{bar:array{baz:array{bat:string}}}',
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'$foo[\'bar\'][\'baz\'][\'bat\']' => 'string',
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],
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],
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'implicit4dStringArrayCreation' => [
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'<?php
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$foo = [];
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$foo["bar"]["baz"]["bat"]["bap"] = "hello";',
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'assertions' => [
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'$foo' => 'array{bar:array{baz:array{bat:array{bap:string}}}}',
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'$foo[\'bar\'][\'baz\'][\'bat\'][\'bap\']' => 'string',
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],
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],
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'2Step2dStringArrayCreation' => [
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'<?php
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$foo = ["bar" => []];
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$foo["bar"]["baz"] = "hello";',
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'assertions' => [
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'$foo' => 'array{bar:array{baz:string}}',
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'$foo[\'bar\'][\'baz\']' => 'string',
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],
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],
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'2StepImplicit3dStringArrayCreation' => [
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'<?php
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$foo = ["bar" => []];
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$foo["bar"]["baz"]["bat"] = "hello";',
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'assertions' => [
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'$foo' => 'array{bar:array{baz:array{bat:string}}}',
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],
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],
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'conflictingTypes' => [
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'<?php
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$foo = [
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"bar" => ["a" => "b"],
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"baz" => [1]
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];',
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'assertions' => [
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'$foo' => 'array{bar:array{a:string}, baz:array{0:int}}',
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],
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],
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'implicitObjectLikeCreation' => [
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'<?php
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$foo = [
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"bar" => 1,
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];
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$foo["baz"] = "a";',
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'assertions' => [
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'$foo' => 'array{bar:int, baz:string}',
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],
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],
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'conflictingTypesWithAssignment' => [
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'<?php
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$foo = [
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"bar" => ["a" => "b"],
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"baz" => [1]
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];
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$foo["bar"]["bam"]["baz"] = "hello";',
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'assertions' => [
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'$foo' => 'array{bar:array{a:string, bam:array{baz:string}}, baz:array{0:int}}',
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],
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],
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'conflictingTypesWithAssignment2' => [
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'<?php
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$foo = [];
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$foo["a"] = "hello";
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$foo["b"][] = "goodbye";
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$bar = $foo["a"];',
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'assertions' => [
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'$foo' => 'array{a:string, b:array<int, string>}',
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'$foo[\'a\']' => 'string',
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'$foo[\'b\']' => 'array<int, string>',
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'$bar' => 'string',
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],
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],
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'conflictingTypesWithAssignment3' => [
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'<?php
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$foo = [];
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$foo["a"] = "hello";
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$foo["b"]["c"]["d"] = "goodbye";',
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'assertions' => [
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'$foo' => 'array{a:string, b:array{c:array{d:string}}}',
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],
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],
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'nestedObjectLikeAssignment' => [
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'<?php
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$foo = [];
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$foo["a"]["b"] = "hello";
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$foo["a"]["c"] = 1;',
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'assertions' => [
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'$foo' => 'array{a:array{b:string, c:int}}',
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],
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],
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'conditionalObjectLikeAssignment' => [
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'<?php
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$foo = ["a" => "hello"];
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if (rand(0, 10) === 5) {
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$foo["b"] = 1;
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}
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else {
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$foo["b"] = 2;
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}',
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'assertions' => [
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'$foo' => 'array{a:string, b:int}',
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],
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],
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'arrayKey' => [
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'<?php
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$a = ["foo", "bar"];
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$b = $a[0];
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$c = ["a" => "foo", "b"=> "bar"];
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$d = "a";
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$e = $c[$d];',
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'assertions' => [
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'$b' => 'string',
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'$e' => 'string',
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],
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],
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'conditionalCheck' => [
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'<?php
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/**
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* @param array{b:string} $a
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* @return null|string
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*/
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function fooFoo($a) {
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if ($a["b"]) {
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return $a["b"];
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}
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}',
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'assertions' => [],
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],
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'variableKeyArrayCreate' => [
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'<?php
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$a = [];
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$b = "boop";
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$a[$b][] = "bam";
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$c = [];
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$c[$b][$b][] = "bam";',
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'assertions' => [
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'$a' => 'array<string, array<int, string>>',
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'$c' => 'array<string, array<string, array<int, string>>>',
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],
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],
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'assignExplicitValueToGeneric' => [
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'<?php
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/** @var array<string, array<string, string>> */
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$a = [];
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$a["foo"] = ["bar" => "baz"];',
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'assertions' => [
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'$a' => 'array<string, array<string, string>>',
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],
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],
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'additionWithEmpty' => [
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'<?php
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$a = [];
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$a += ["bar"];
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$b = [] + ["bar"];',
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'assertions' => [
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'$a' => 'array{0:string}',
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'$b' => 'array{0:string}',
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],
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],
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'additionDifferentType' => [
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'<?php
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$a = ["bar"];
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$a += [1];
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$b = ["bar"] + [1];',
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'assertions' => [
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'$a' => 'array{0:string}',
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'$b' => 'array{0:string}',
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],
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],
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'present1dArrayTypeWithVarKeys' => [
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'<?php
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/** @var array<string, array<int, string>> */
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$a = [];
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$foo = "foo";
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$a[$foo][] = "bat";',
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'assertions' => [],
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],
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'present2dArrayTypeWithVarKeys' => [
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'<?php
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/** @var array<string, array<string, array<int, string>>> */
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$b = [];
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$foo = "foo";
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$bar = "bar";
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$b[$foo][$bar][] = "bat";',
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'assertions' => [],
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],
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'objectLikeWithIntegerKeys' => [
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'<?php
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/** @var array{0: string, 1: int} **/
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$a = ["hello", 5];
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$b = $a[0]; // string
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$c = $a[1]; // int
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list($d, $e) = $a; // $d is string, $e is int',
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'assertions' => [
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'$b' => 'string',
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'$c' => 'int',
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'$d' => 'string',
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'$e' => 'int',
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],
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],
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'objectLikeArrayAddition' => [
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'<?php
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$foo = [];
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$foo["a"] = 1;
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$foo += ["b" => [2, 3]];',
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'assertions' => [
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'$foo' => 'array{a:int, b:array{0:int, 1:int}}',
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],
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],
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'nestedObjectLikeArrayAddition' => [
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'<?php
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$foo = [];
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$foo["root"]["a"] = 1;
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$foo["root"] += ["b" => [2, 3]];',
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'assertions' => [
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'$foo' => 'array{root:array{a:int, b:array{0:int, 1:int}}}',
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],
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],
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'updateStringIntKey' => [
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'<?php
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$string = "c";
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$int = 5;
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$a = [];
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$a["a"] = 5;
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$a[0] = 3;
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$b = [];
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$b[$string] = 5;
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$b[0] = 3;
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$c = [];
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$c[0] = 3;
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$c[$string] = 5;
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$d = [];
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$d[$int] = 3;
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$d["a"] = 5;
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$e = [];
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$e[$int] = 3;
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$e[$string] = 5;',
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'assertions' => [
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'$a' => 'array{a:int, 0:int}',
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'$b' => 'array<string|int, int>',
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'$c' => 'array<int|string, int>',
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'$d' => 'array<int|string, int>',
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'$e' => 'array<int|string, int>',
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],
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],
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'updateStringIntKeyWithIntRootAndNumberOffset' => [
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'<?php
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$string = "c";
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$int = 5;
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$a = [];
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$a[0]["a"] = 5;
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$a[0][0] = 3;',
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'assertions' => [
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'$a' => 'array{0:array{a:int, 0:int}}',
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],
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],
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'updateStringIntKeyWithIntRoot' => [
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'<?php
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$string = "c";
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$int = 5;
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$b = [];
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$b[0][$string] = 5;
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$b[0][0] = 3;
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$c = [];
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$c[0][0] = 3;
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$c[0][$string] = 5;
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$d = [];
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$d[0][$int] = 3;
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$d[0]["a"] = 5;
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$e = [];
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$e[0][$int] = 3;
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$e[0][$string] = 5;',
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'assertions' => [
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'$b' => 'array{0:array<string|int, int>}',
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'$c' => 'array{0:array<int|string, int>}',
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'$d' => 'array{0:array<int|string, int>}',
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'$e' => 'array{0:array<int|string, int>}',
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],
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],
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'updateStringIntKeyWithObjectLikeRootAndNumberOffset' => [
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'<?php
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$string = "c";
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$int = 5;
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$a = [];
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$a["root"]["a"] = 5;
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$a["root"][0] = 3;',
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'assertions' => [
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'$a' => 'array{root:array{a:int, 0:int}}',
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],
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],
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'updateStringIntKeyWithObjectLikeRoot' => [
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'<?php
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$string = "c";
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$int = 5;
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$b = [];
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$b["root"][$string] = 5;
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$b["root"][0] = 3;
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$c = [];
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$c["root"][0] = 3;
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$c["root"][$string] = 5;
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$d = [];
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$d["root"][$int] = 3;
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$d["root"]["a"] = 5;
|
|
|
|
$e = [];
|
|
|
|
$e["root"][$int] = 3;
|
|
$e["root"][$string] = 5;',
|
|
'assertions' => [
|
|
'$b' => 'array{root:array<string|int, int>}',
|
|
'$c' => 'array{root:array<int|string, int>}',
|
|
'$d' => 'array{root:array<int|string, int>}',
|
|
'$e' => 'array{root:array<int|string, int>}',
|
|
],
|
|
],
|
|
'mixedArrayAssignmentWithStringKeys' => [
|
|
'<?php
|
|
/** @var array<mixed, mixed> */
|
|
$a = [];
|
|
$a["b"]["c"] = 5;
|
|
echo $a["b"]["d"];',
|
|
'assertions' => [
|
|
'$a' => 'array<mixed, mixed>',
|
|
],
|
|
'error_levels' => ['MixedArrayAssignment', 'MixedArrayAccess', 'MixedArgument'],
|
|
],
|
|
'mixedArrayCoercion' => [
|
|
'<?php
|
|
/** @param int[] $arg */
|
|
function expect_int_array($arg) : void { }
|
|
/** @return array */
|
|
function generic_array() { return []; }
|
|
|
|
expect_int_array(generic_array());
|
|
|
|
function expect_int(int $arg) : void {}
|
|
/** @return mixed */
|
|
function return_mixed() { return 2; }
|
|
expect_int(return_mixed());',
|
|
'assertions' => [],
|
|
'error_levels' => ['MixedTypeCoercion', 'MixedArgument'],
|
|
],
|
|
'suppressMixedObjectOffset' => [
|
|
'<?php
|
|
function getThings() : array {
|
|
return [];
|
|
}
|
|
|
|
$arr = [];
|
|
|
|
foreach (getThings() as $a) {
|
|
$arr[$a->id] = $a;
|
|
}
|
|
|
|
echo $arr[0];',
|
|
'assertions' => [],
|
|
'error_levels' => ['MixedAssignment', 'MixedPropertyFetch', 'MixedArrayOffset', 'MixedArgument'],
|
|
],
|
|
'changeObjectLikeType' => [
|
|
'<?php
|
|
$a = ["b" => "c"];
|
|
$a["d"] = ["e" => "f"];
|
|
$a["b"] = 4;
|
|
$a["d"]["e"] = 5;',
|
|
'assertions' => [
|
|
'$a[\'b\']' => 'int',
|
|
'$a[\'d\']' => 'array{e:int}',
|
|
'$a[\'d\'][\'e\']' => 'int',
|
|
'$a' => 'array{b:int, d:array{e:int}}',
|
|
],
|
|
],
|
|
'changeObjectLikeTypeInIf' => [
|
|
'<?php
|
|
$a = [];
|
|
|
|
if (rand(0, 5) > 3) {
|
|
$a["b"] = new stdClass;
|
|
} else {
|
|
$a["b"] = ["e" => "f"];
|
|
}
|
|
|
|
if ($a["b"] instanceof stdClass) {
|
|
$a["b"] = [];
|
|
}
|
|
|
|
$a["b"]["e"] = "d";',
|
|
'assertions' => [
|
|
'$a' => 'array{b:array{e:string}}',
|
|
'$a[\'b\']' => 'array{e:string}',
|
|
'$a[\'b\'][\'e\']' => 'string',
|
|
],
|
|
],
|
|
'implementsArrayAccess' => [
|
|
'<?php
|
|
class A implements \ArrayAccess {
|
|
/**
|
|
* @param string|int $offset
|
|
* @param mixed $value
|
|
*/
|
|
public function offsetSet($offset, $value) : void {}
|
|
|
|
/** @param string|int $offset */
|
|
public function offsetExists($offset) : bool {
|
|
return true;
|
|
}
|
|
|
|
/** @param string|int $offset */
|
|
public function offsetUnset($offset) : void {}
|
|
|
|
/**
|
|
* @param string $offset
|
|
* @return mixed
|
|
*/
|
|
public function offsetGet($offset) {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
$a = new A();
|
|
$a["bar"] = "cool";
|
|
$a["bar"]->foo();',
|
|
'assertions' => [
|
|
'$a' => 'A',
|
|
],
|
|
'error_levels' => ['MixedMethodCall'],
|
|
],
|
|
'assignToNullDontDie' => [
|
|
'<?php
|
|
$a = null;
|
|
$a[0][] = 1;',
|
|
'assertions' => [
|
|
'$a' => 'array{0:array<int, int>}',
|
|
],
|
|
'error_levels' => ['PossiblyNullArrayAssignment'],
|
|
],
|
|
'stringAssignment' => [
|
|
'<?php
|
|
$str = "hello";
|
|
$str[0] = "i";',
|
|
'assertions' => [
|
|
'$str' => 'string',
|
|
],
|
|
],
|
|
'ignoreInvalidArrayOffset' => [
|
|
'<?php
|
|
$a = [
|
|
"b" => [],
|
|
];
|
|
|
|
$a["b"]["c"] = 0;
|
|
|
|
foreach ([1, 2, 3] as $i) {
|
|
/**
|
|
* @psalm-suppress InvalidArrayOffset
|
|
* @psalm-suppress MixedOperand
|
|
*/
|
|
$a["b"]["d"] += $a["b"][$i];
|
|
}',
|
|
'assertions' => [],
|
|
],
|
|
'keyedIntOffsetArrayValues' => [
|
|
'<?php
|
|
$a = ["hello", 5];
|
|
$a_values = array_values($a);
|
|
$a_keys = array_keys($a);',
|
|
'assertions' => [
|
|
'$a' => 'array{0:string, 1:int}',
|
|
'$a_values' => 'array<int, int|string>',
|
|
'$a_keys' => 'array<int, int>',
|
|
],
|
|
],
|
|
'changeIntOffsetKeyValuesWithDirectAssignment' => [
|
|
'<?php
|
|
$b = ["hello", 5];
|
|
$b[0] = 3;',
|
|
'assertions' => [
|
|
'$b' => 'array{0:int, 1:int}',
|
|
],
|
|
],
|
|
'changeIntOffsetKeyValuesAfterCopy' => [
|
|
'<?php
|
|
$b = ["hello", 5];
|
|
$c = $b;
|
|
$c[0] = 3;',
|
|
'assertions' => [
|
|
'$b' => 'array{0:string, 1:int}',
|
|
'$c' => 'array{0:int, 1:int}',
|
|
],
|
|
],
|
|
'mergeIntOffsetValues' => [
|
|
'<?php
|
|
$d = array_merge(["hello", 5], []);
|
|
$e = array_merge(["hello", 5], ["hello again"]);',
|
|
'assertions' => [
|
|
'$d' => 'array{0:string, 1:int}',
|
|
'$e' => 'array{0:string, 1:int, 2:string}',
|
|
],
|
|
],
|
|
'addIntOffsetToEmptyArray' => [
|
|
'<?php
|
|
$f = [];
|
|
$f[0] = "hello";',
|
|
'assertions' => [
|
|
'$f' => 'array{0:string}',
|
|
],
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @return array
|
|
*/
|
|
public function providerFileCheckerInvalidCodeParse()
|
|
{
|
|
return [
|
|
'objectAssignment' => [
|
|
'<?php
|
|
class A {}
|
|
(new A)["b"] = 1;',
|
|
'error_message' => 'InvalidArrayAssignment',
|
|
],
|
|
'invalidArrayAccess' => [
|
|
'<?php
|
|
$a = 5;
|
|
$a[0] = 5;',
|
|
'error_message' => 'InvalidArrayAssignment',
|
|
],
|
|
'mixedStringOffsetAssignment' => [
|
|
'<?php
|
|
/** @var mixed */
|
|
$a = 5;
|
|
"hello"[0] = $a;',
|
|
'error_message' => 'MixedStringOffsetAssignment',
|
|
'error_level' => ['MixedAssignment'],
|
|
],
|
|
'mixedArrayArgument' => [
|
|
'<?php
|
|
/** @param array<mixed, int|string> $foo */
|
|
function fooFoo(array $foo) : void { }
|
|
|
|
function barBar(array $bar) : void {
|
|
fooFoo($bar);
|
|
}
|
|
|
|
barBar([1, "2"]);',
|
|
'error_message' => 'MixedTypeCoercion',
|
|
'error_level' => ['MixedAssignment'],
|
|
],
|
|
'arrayPropertyAssignment' => [
|
|
'<?php
|
|
class A {
|
|
/** @var string[] */
|
|
public $strs = ["a", "b", "c"];
|
|
|
|
/** @return void */
|
|
public function bar() {
|
|
$this->strs = [new stdClass()]; // no issue emitted
|
|
}
|
|
}',
|
|
'error_message' => 'InvalidPropertyAssignment',
|
|
],
|
|
'incrementalArrayPropertyAssignment' => [
|
|
'<?php
|
|
class A {
|
|
/** @var string[] */
|
|
public $strs = ["a", "b", "c"];
|
|
|
|
/** @return void */
|
|
public function bar() {
|
|
$this->strs[] = new stdClass(); // no issue emitted
|
|
}
|
|
}',
|
|
'error_message' => 'InvalidPropertyAssignment',
|
|
],
|
|
];
|
|
}
|
|
}
|