mirror of
https://github.com/danog/psalm.git
synced 2024-11-30 04:39:00 +01:00
1129 lines
39 KiB
PHP
1129 lines
39 KiB
PHP
<?php
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namespace Psalm\Tests\TypeReconciliation;
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class IssetTest extends \Psalm\Tests\TestCase
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{
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use \Psalm\Tests\Traits\ValidCodeAnalysisTestTrait;
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use \Psalm\Tests\Traits\InvalidCodeAnalysisTestTrait;
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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(): iterable
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{
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return [
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'issetWithSimpleAssignment' => [
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'<?php
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$array = [];
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if (isset($array[$a = 5])) {
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print "hello";
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}
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print $a;',
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'assertions' => [],
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'error_levels' => ['EmptyArrayAccess'],
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],
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'issetWithMultipleAssignments' => [
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'<?php
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if (rand(0, 4) > 2) {
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$arr = [5 => [3 => "hello"]];
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}
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if (isset($arr[$a = 5][$b = 3])) {
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}
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echo $a;
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echo $b;',
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'assertions' => [],
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'error_levels' => ['MixedArrayAccess'],
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],
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'isset' => [
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'<?php
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$a = isset($b) ? $b : null;',
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'assertions' => [
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'$a' => 'mixed|null',
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],
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'error_levels' => ['MixedAssignment'],
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],
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'nullCoalesce' => [
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'<?php
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$a = $b ?? null;',
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'assertions' => [
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'$a' => 'mixed|null',
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],
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'error_levels' => ['MixedAssignment'],
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],
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'nullCoalesceWithGoodVariable' => [
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'<?php
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$b = rand(0, 10) > 5 ? "hello" : null;
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$a = $b ?? null;',
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'assertions' => [
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'$a' => 'null|string',
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],
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],
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'issetKeyedOffset' => [
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'<?php
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function getArray() : array {
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return [];
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}
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$foo = getArray();
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if (!isset($foo["a"])) {
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$foo["a"] = "hello";
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}',
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'assertions' => [
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'$foo[\'a\']' => 'mixed|string',
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],
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'error_levels' => [],
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],
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'issetKeyedOffsetORFalse' => [
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'<?php
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/** @return void */
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function takesString(string $str) {}
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$bar = rand(0, 1) ? ["foo" => "bar"] : false;
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if (isset($bar["foo"])) {
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takesString($bar["foo"]);
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}',
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'assertions' => [],
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'error_levels' => ['PossiblyInvalidArrayAccess'],
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],
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'nullCoalesceKeyedOffset' => [
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'<?php
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function getArray() : array {
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return [];
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}
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$foo = getArray();
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$foo["a"] = $foo["a"] ?? "hello";',
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'assertions' => [
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'$foo[\'a\']' => 'mixed|string',
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],
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'error_levels' => ['MixedAssignment'],
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],
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'noRedundantConditionOnMixed' => [
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'<?php
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function testarray(array $data): void {
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foreach ($data as $item) {
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if (isset($item["a"]) && isset($item["b"]["c"])) {
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echo "Found\n";
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}
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}
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}',
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'assertions' => [],
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'error_levels' => ['MixedAssignment', 'MixedArrayAccess'],
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],
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'testUnset' => [
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'<?php
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$foo = ["a", "b", "c"];
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foreach ($foo as $bar) {}
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unset($foo, $bar);
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function foo(): void {
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$foo = ["a", "b", "c"];
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foreach ($foo as $bar) {}
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unset($foo, $bar);
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}',
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],
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'issetTKeyedArray' => [
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'<?php
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$arr = [
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"profile" => [
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"foo" => "bar",
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],
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"groups" => [
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"foo" => "bar",
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"hide" => rand() % 2 > 0,
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],
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];
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foreach ($arr as $item) {
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if (!isset($item["hide"]) || !$item["hide"]) {}
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}',
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],
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'issetPropertyAffirmsObject' => [
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'<?php
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class A {
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/** @var ?int */
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public $id;
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}
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function takesA(?A $a): A {
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if (isset($a->id)) {
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return $a;
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}
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return new A();
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}',
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],
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'issetVariableKeysWithoutChange' => [
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'<?php
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$arr = [[1, 2, 3], null, [1, 2, 3], null];
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$b = rand(0, 2);
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$c = rand(0, 2);
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if (isset($arr[$b][$c])) {
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echo $arr[$b][$c];
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}',
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],
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'issetNonNullArrayKey' => [
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'<?php
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/**
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* @param array<int, int> $arr
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*/
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function foo(array $arr) : int {
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$b = rand(0, 3);
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if (!isset($arr[$b])) {
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throw new \Exception("bad");
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}
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return $arr[$b];
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}',
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],
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'issetArrayOffsetConditionalCreationWithInt' => [
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'<?php
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/** @param array<int, string> $arr */
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function foo(array $arr) : string {
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if (!isset($arr[0])) {
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$arr[0] = "hello";
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}
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return $arr[0];
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}',
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],
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'issetArrayOffsetConditionalCreationWithVariable' => [
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'<?php
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/** @param array<int, string> $arr */
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function foo(array $arr) : string {
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$b = 5;
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if (!isset($arr[$b])) {
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$arr[$b] = "hello";
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}
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return $arr[$b];
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}',
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],
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'noExceptionOnBracketString' => [
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'<?php
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if (isset($foo["bar[]"])) {}',
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],
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'issetArrayOffsetAndProperty' => [
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'<?php
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class A {
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/** @var ?B */
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public $b;
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}
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class B {}
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/**
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* @param A[] $arr
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*/
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function takesAList(array $arr) : B {
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if (isset($arr[1]->b)) {
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return $arr[1]->b;
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}
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throw new \Exception("bad");
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}',
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],
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'allowUnknownAdditionToInt' => [
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'<?php
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$arr = [1, 1, 1, 1, 2, 5, 3, 2];
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$cumulative = [];
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foreach ($arr as $val) {
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if (isset($cumulative[$val])) {
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$cumulative[$val] = $cumulative[$val] + 1;
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} else {
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$cumulative[$val] = 1;
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}
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}',
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],
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'allowUnknownArrayMergeToInt' => [
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'<?php
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$arr = [1, 1, 1, 1, 2, 5, 3, 2];
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$cumulative = [];
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foreach ($arr as $val) {
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if (isset($cumulative[$val])) {
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$cumulative[$val] = array_merge($cumulative[$val], [$val]);
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} else {
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$cumulative[$val] = [$val];
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}
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}
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foreach ($cumulative as $arr) {
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foreach ($arr as $val) {
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takesInt($val);
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}
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}
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function takesInt(int $i) : void {}',
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],
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'returnArrayWithDefinedKeys' => [
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'<?php
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/**
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* @param array{bar?: int, foo: int|string} $arr
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* @return array{bar: int, foo: string}|null
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*/
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function foo(array $arr) : ?array {
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if (!isset($arr["bar"])) {
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return null;
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}
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if (is_int($arr["foo"])) {
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return null;
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}
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return $arr;
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}',
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],
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'arrayAccessAfterOneIsset' => [
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'<?php
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$arr = [];
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foreach ([1, 2, 3] as $foo) {
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if (!isset($arr["bar"])) {
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$arr["bar"] = 0;
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}
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echo $arr["bar"];
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}',
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],
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'arrayAccessAfterTwoIssets' => [
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'<?php
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$arr = [];
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foreach ([1, 2, 3] as $foo) {
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if (!isset($arr["foo"])) {
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$arr["foo"] = 0;
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}
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if (!isset($arr["bar"])) {
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$arr["bar"] = 0;
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}
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echo $arr["bar"];
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}',
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],
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'issetAdditionalVar' => [
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'<?php
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class Example {
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const FOO = "foo";
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/**
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* @param array{bar:string} $params
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*/
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public function test(array $params) : bool {
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if (isset($params[self::FOO])) {
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return true;
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}
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if (isset($params["bat"])) {
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return true;
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}
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return false;
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}
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}',
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],
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'noRedundantConditionAfterIsset' => [
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'<?php
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/** @param array<string, array<int, string>> $arr */
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function foo(array $arr, string $k) : void {
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if (!isset($arr[$k])) {
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return;
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}
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if ($arr[$k][0]) {}
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}',
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],
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'mixedArrayIsset' => [
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'<?php
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$a = isset($_GET["a"]) ? $_GET["a"] : "";
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if ($a) {}',
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'assertions' => [],
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'error_levels' => ['MixedAssignment', 'MixedArrayAccess'],
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],
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'mixedArrayIssetGetStringVar' => [
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'<?php
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if (isset($_GET["b"]) && is_string($_GET["b"])) {
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echo $_GET["b"];
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}',
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],
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'regularArrayAccessInLoopAfterIsset' => [
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'<?php
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$arr = [];
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while (rand(0, 1)) {
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if (!isset($arr["a"]["b"])) {
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$arr["a"]["b"] = "foo";
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}
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echo $arr["a"]["b"];
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}',
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],
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'conditionalArrayAccessInLoopAfterIssetWithAltAssignment' => [
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'<?php
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$arr = [];
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while (rand(0, 1)) {
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if (rand(0, 1)) {
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if (!isset($arr["a"]["b"])) {
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$arr["a"]["b"] = "foo";
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}
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echo $arr["a"]["b"];
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} else {
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$arr["c"] = "foo";
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}
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}',
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],
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'issetVarInLoopBeforeAssignment' => [
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'<?php
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function foo() : void {
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while (rand(0, 1)) {
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if (!isset($foo)) {
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$foo = 1;
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}
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}
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}',
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],
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'issetOnArrayAccess' => [
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'<?php
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function foo(ArrayAccess $arr) : void {
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$a = isset($arr["a"]) ? $arr["a"] : 4;
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takesInt($a);
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}
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function takesInt(int $i) : void {}',
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'assertions' => [],
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'error_levels' => ['MixedAssignment', 'MixedArgument'],
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],
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'noParadoxOnMultipleNotIssets' => [
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'<?php
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/** @var array */
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$array = [];
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function sameString(string $string): string {
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return $string;
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}
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if (isset($array[sameString("key1")]) || isset($array[sameString("key2")])) {
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throw new \InvalidArgumentException();
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}
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if (!isset($array[sameString("key3")]) || !isset($array[sameString("key4")])) {
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throw new \InvalidArgumentException();
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}',
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],
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'notIssetOneOrOtherSimple' => [
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'<?php
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$foo = [
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"one" => rand(0,1) ? new DateTime : null,
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"two" => rand(0,1) ? new DateTime : null,
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"three" => new DateTime
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];
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if (!(isset($foo["one"]) || isset($foo["two"]))) {
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exit;
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}
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echo $foo["one"]->format("Y");',
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'assertions' => [],
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'error_levels' => ['PossiblyNullReference'],
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],
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'notIssetOneOrOtherWithoutAssert' => [
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'<?php
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$foo = [
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"one" => rand(0,1) ? new DateTime : null,
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"two" => rand(0,1) ? new DateTime : null,
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"three" => new DateTime
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];
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$a = isset($foo["one"]) || isset($foo["two"]);
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echo $foo["one"]->format("Y");',
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'assertions' => [],
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'error_levels' => ['PossiblyNullReference'],
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],
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'notIssetOneOrOtherWithAssert' => [
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'<?php
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$foo = [
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"one" => rand(0,1) ? new DateTime : null,
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"two" => rand(0,1) ? new DateTime : null,
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"three" => new DateTime
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];
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assert(isset($foo["one"]) || isset($foo["two"]));
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echo $foo["one"]->format("Y");',
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'assertions' => [],
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'error_levels' => ['PossiblyNullReference'],
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],
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'assertArrayAfterIssetStringOffset' => [
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|
'<?php
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/**
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* @param string|array $a
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*/
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function _renderInput($a) : array {
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if (isset($a["foo"], $a["bar"])) {
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return $a;
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}
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|
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return [];
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}',
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],
|
|
'assertMoreComplicatedArrayAfterIssetStringOffset' => [
|
|
'<?php
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/**
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* @param string|int $val
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* @param string|array $text
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* @param array $data
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*/
|
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function _renderInput($val, $text, $data) : array {
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if (is_int($val) && isset($text["foo"], $text["bar"])) {
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$radio = $text;
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} else {
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$radio = ["value" => $val, "text" => $text];
|
|
}
|
|
return $radio;
|
|
}',
|
|
'assertions' => [],
|
|
'error_levels' => ['MixedAssignment'],
|
|
],
|
|
'assertAfterIsset' => [
|
|
'<?php
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|
/**
|
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* @param mixed $arr
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*/
|
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function foo($arr) : void {
|
|
if (empty($arr)) {
|
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return;
|
|
}
|
|
|
|
if (isset($arr["a"]) && isset($arr["b"])) {}
|
|
}',
|
|
'assertions' => [],
|
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'error_levels' => ['MixedAssignment'],
|
|
],
|
|
'noCrashAfterIsset' => [
|
|
'<?php
|
|
/**
|
|
* @param string[] $columns
|
|
* @param mixed[] $options
|
|
*/
|
|
function foo(array $columns, array $options) : void {
|
|
$arr = $options["b"];
|
|
|
|
foreach ($arr as $a) {
|
|
if (isset($columns[$a]["c"])) {
|
|
return;
|
|
}
|
|
}
|
|
}',
|
|
'assertions' => [],
|
|
'error_levels' => ['MixedAssignment', 'MixedArrayOffset', 'InvalidArrayOffset'],
|
|
],
|
|
'sessionNullCoalesce' => [
|
|
'<?php
|
|
$a = $_SESSION ?? [];',
|
|
],
|
|
'sessionIssetNull' => [
|
|
'<?php
|
|
$a = isset($_SESSION) ? $_SESSION : [];',
|
|
],
|
|
'issetSeparateNegated' => [
|
|
'<?php
|
|
function foo(?string $a, ?string $b): string {
|
|
if (!isset($a) || !isset($b)) {
|
|
return "";
|
|
}
|
|
return $a . $b;
|
|
}',
|
|
],
|
|
'issetMultipleNegated' => [
|
|
'<?php
|
|
function foo(?string $a, ?string $b): string {
|
|
if (!isset($a, $b)) {
|
|
return "";
|
|
}
|
|
return $a . $b;
|
|
}',
|
|
],
|
|
'issetMultipleNegatedWithExtraClause' => [
|
|
'<?php
|
|
function foo(?string $a, ?string $b): string {
|
|
if (!(isset($a, $b) && rand(0, 1))) {
|
|
return "";
|
|
}
|
|
return $a . $b;
|
|
}',
|
|
],
|
|
'issetMultipleNotNegated' => [
|
|
'<?php
|
|
function foo(?string $a, ?string $b): string {
|
|
if (isset($a, $b)) {
|
|
return $a . $b;
|
|
}
|
|
|
|
return "";
|
|
}',
|
|
],
|
|
'issetNotIssetTest' => [
|
|
'<?php
|
|
class B {
|
|
/** @var string */
|
|
public $c = "hello";
|
|
}
|
|
|
|
function foo(array $a, B $b, string $s): void {
|
|
if ($s !== "bar" && !isset($a[$b->c])) {
|
|
return;
|
|
}
|
|
|
|
if ($s !== "bar" && isset($a[$b->c])) {
|
|
// do something
|
|
} else {
|
|
// something else
|
|
}
|
|
}',
|
|
],
|
|
'issetOnNestedObjectlikeOneLevel' => [
|
|
'<?php
|
|
/**
|
|
* @param array{a:array} $array
|
|
* @return array{a:array{b:mixed}}
|
|
* @throw \LogicException
|
|
*/
|
|
function level3($array) {
|
|
if (!isset($array["a"]["b"])) {
|
|
throw new \LogicException();
|
|
}
|
|
return $array;
|
|
}'
|
|
],
|
|
'issetOnStringArrayShouldInformArrayness' => [
|
|
'<?php
|
|
/**
|
|
* @param string[] $a
|
|
* @return array{b: string}
|
|
*/
|
|
function foo(array $a) {
|
|
if (isset($a["b"])) {
|
|
return $a;
|
|
}
|
|
|
|
throw new \Exception("bad");
|
|
}'
|
|
],
|
|
'arrayKeyExistsOnStringArrayShouldInformArrayness' => [
|
|
'<?php
|
|
/**
|
|
* @param string[] $a
|
|
* @return array{b: string}
|
|
*/
|
|
function foo(array $a) {
|
|
if (array_key_exists("b", $a)) {
|
|
return $a;
|
|
}
|
|
|
|
throw new \Exception("bad");
|
|
}'
|
|
],
|
|
'issetOnArrayTwice' => [
|
|
'<?php
|
|
function foo(array $options): void {
|
|
if (!isset($options["a"])) {
|
|
$options["a"] = "hello";
|
|
}
|
|
|
|
if (!isset($options["b"])) {
|
|
$options["b"] = 1;
|
|
}
|
|
|
|
if ($options["b"] === 2) {}
|
|
}'
|
|
],
|
|
'listDestructuringErrorSuppress' => [
|
|
'<?php
|
|
function foo(string $s) : void {
|
|
@list(, $port) = explode(":", $s);
|
|
echo isset($port) ? "cool" : "uncool";
|
|
}',
|
|
],
|
|
'listDestructuringErrorSuppressWithFirstString' => [
|
|
'<?php
|
|
function foo(string $s) : string {
|
|
@list($port, $starboard) = explode(":", $s);
|
|
return $port;
|
|
}',
|
|
],
|
|
'accessAfterArrayExistsVariable' => [
|
|
'<?php
|
|
abstract class P {
|
|
const MAP = [
|
|
A::class => 1,
|
|
B::class => 2,
|
|
C::class => 3,
|
|
];
|
|
|
|
public function foo(string $s) : int {
|
|
$a = static::class;
|
|
if (!isset(self::MAP[$a])) {
|
|
throw new \Exception("bad");
|
|
}
|
|
return self::MAP[$a];
|
|
}
|
|
}
|
|
|
|
class A extends P {}
|
|
class B extends P {}
|
|
class C extends P {}'
|
|
],
|
|
'accessAfterArrayExistsStaticClass' => [
|
|
'<?php
|
|
abstract class P {
|
|
const MAP = [
|
|
A::class => 1,
|
|
B::class => 2,
|
|
C::class => 3,
|
|
];
|
|
|
|
public function foo(string $s) : int {
|
|
if (!isset(self::MAP[static::class])) {
|
|
throw new \Exception("bad");
|
|
}
|
|
return self::MAP[static::class];
|
|
}
|
|
}
|
|
|
|
class A extends P {}
|
|
class B extends P {}
|
|
class C extends P {}'
|
|
],
|
|
'issetCreateTKeyedArrayWithType' => [
|
|
'<?php
|
|
function foo(array $options): void {
|
|
if (isset($options["a"])) {
|
|
$options["b"] = "hello";
|
|
}
|
|
|
|
if (\is_array($options["b"])) {}
|
|
}'
|
|
],
|
|
'issetOnThing' => [
|
|
'<?php
|
|
function foo() : void {
|
|
$p = [false, false];
|
|
$i = rand(0, 1);
|
|
if (rand(0, 1) && isset($p[$i])) {
|
|
$p[$i] = true;
|
|
}
|
|
|
|
foreach ($p as $q) {
|
|
if ($q) {}
|
|
}
|
|
}',
|
|
],
|
|
'issetOnNullableObjectWithNullCoalesce' => [
|
|
'<?php
|
|
class A {
|
|
public bool $s = true;
|
|
}
|
|
function foo(?A $a) : string {
|
|
if (rand(0, 1) && !($a->s ?? false)) {
|
|
return "foo";
|
|
}
|
|
return "bar";
|
|
}',
|
|
],
|
|
'issetOnNullableObjectWithIsset' => [
|
|
'<?php
|
|
class A {
|
|
public bool $s = true;
|
|
}
|
|
function foo(?A $a) : string {
|
|
if (rand(0, 1) && !(isset($a->s) ? $a->s : false)) {
|
|
return "foo";
|
|
}
|
|
return "bar";
|
|
}',
|
|
],
|
|
'issetOnMethodCallInsideFunctionCall' => [
|
|
'<?php
|
|
class C {
|
|
public function foo() : ?string {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
function foo(C $c) : void {
|
|
strlen($c->foo() ?? "");
|
|
}'
|
|
],
|
|
'issetOnMethodCallInsideMethodCall' => [
|
|
'<?php
|
|
class C {
|
|
public function foo() : ?string {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
function foo(C $c) : void {
|
|
new DateTime($c->foo() ?? "");
|
|
}',
|
|
],
|
|
'methodCallAfterIsset' => [
|
|
'<?php
|
|
class B {
|
|
public function bar() : void {}
|
|
}
|
|
|
|
/** @psalm-suppress MissingConstructor */
|
|
class A {
|
|
/** @var B */
|
|
public $foo;
|
|
|
|
public function init() : void {
|
|
if (isset($this->foo)) {
|
|
return;
|
|
}
|
|
|
|
if (rand(0, 1)) {
|
|
$this->foo = new B;
|
|
} else {
|
|
$this->foo = new B;
|
|
}
|
|
|
|
$this->foo->bar();
|
|
}
|
|
}'
|
|
],
|
|
'issetOnArrayOfArraysReturningStringInElse' => [
|
|
'<?php
|
|
function foo(int $i) : string {
|
|
/** @var array<int, array<string, string>> */
|
|
$tokens = [];
|
|
|
|
if (isset($tokens[$i]["a"])) {
|
|
return "hello";
|
|
} else {
|
|
return $tokens[$i]["b"];
|
|
}
|
|
}',
|
|
],
|
|
'issetOnArrayOfObjectsAssertingOnIssetValue' => [
|
|
'<?php
|
|
class A {
|
|
public ?string $name = null;
|
|
}
|
|
|
|
function foo(int $i) : void {
|
|
/** @var array<int, A> */
|
|
$tokens = [];
|
|
|
|
if (isset($tokens[$i]->name) && $tokens[$i]->name === "hello") {}
|
|
}',
|
|
],
|
|
'issetOnArrayOfObjectsAssertingOnNotIssetValue' => [
|
|
'<?php
|
|
class A {
|
|
public ?string $name = null;
|
|
}
|
|
|
|
function foo(int $i) : void {
|
|
/** @var array<int, A> */
|
|
$tokens = [];
|
|
|
|
if (!isset($tokens[$i])) {
|
|
if (rand(0, 1)) {
|
|
if (rand(0, 1)) {
|
|
$tokens[$i] = new A();
|
|
} else {
|
|
return;
|
|
}
|
|
} else {
|
|
return;
|
|
}
|
|
}
|
|
|
|
echo $tokens[$i]->name;
|
|
}',
|
|
],
|
|
'issetOnArrayOfMixed' => [
|
|
'<?php
|
|
/**
|
|
* @psalm-suppress MixedArrayAccess
|
|
* @psalm-suppress MixedArgument
|
|
*/
|
|
function foo(int $i) : void {
|
|
/** @var array */
|
|
$tokens = [];
|
|
|
|
if (!isset($tokens[$i]["a"])) {
|
|
echo $tokens[$i]["b"];
|
|
}
|
|
}',
|
|
],
|
|
'issetOnArrayOfArrays' => [
|
|
'<?php
|
|
/**
|
|
* @psalm-suppress MixedArgument
|
|
*/
|
|
function foo(int $i) : void {
|
|
/** @var array<array> */
|
|
$tokens = [];
|
|
|
|
if (!isset($tokens[$i]["a"])) {
|
|
echo $tokens[$i]["b"];
|
|
}
|
|
}',
|
|
],
|
|
'issetOnArrayOfArrayOfStrings' => [
|
|
'<?php
|
|
function foo(int $i) : void {
|
|
/** @var array<int, array<string, string>> */
|
|
$tokens = [];
|
|
|
|
if (!isset($tokens[$i]["a"])) {
|
|
echo $tokens[$i]["b"];
|
|
}
|
|
}',
|
|
],
|
|
'noMixedMethodCallAfterIsset' => [
|
|
'<?php
|
|
$data = file_get_contents("php://input");
|
|
/** @psalm-suppress MixedAssignment */
|
|
$payload = json_decode($data, true);
|
|
|
|
if (!isset($payload["a"]) || rand(0, 1)) {
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* @psalm-suppress MixedArgument
|
|
*/
|
|
echo $payload["b"];'
|
|
],
|
|
'implicitIssetWithStringKeyOnArrayDoesntChangeArrayType' => [
|
|
'<?php
|
|
class A {}
|
|
|
|
function run1(array $arguments): void {
|
|
if ($arguments["a"] instanceof A) {}
|
|
|
|
if ($arguments["b"]) {
|
|
/** @psalm-suppress MixedArgument */
|
|
echo $arguments["b"];
|
|
}
|
|
}',
|
|
],
|
|
'issetOnClassConstantOffset' => [
|
|
'<?php
|
|
|
|
final class StudyJwtPayload {
|
|
public const STUDY_ID = "studid";
|
|
|
|
public static function fromClaims(array $claims): string
|
|
{
|
|
if (!isset($claims["usrid"])) {
|
|
throw new \InvalidArgumentException();
|
|
}
|
|
|
|
if (!\is_string($claims["usrid"])) {
|
|
throw new \InvalidArgumentException();
|
|
}
|
|
|
|
if (!isset($claims[self::STUDY_ID])) {
|
|
throw new \InvalidArgumentException();
|
|
}
|
|
|
|
if (!\is_string($claims[self::STUDY_ID])) {
|
|
throw new \InvalidArgumentException();
|
|
}
|
|
|
|
return $claims[self::STUDY_ID];
|
|
}
|
|
}'
|
|
],
|
|
'noCrashAfterTwoIsset' => [
|
|
'<?php
|
|
/** @psalm-suppress MixedArrayOffset */
|
|
function foo(array $a, array $b) : void {
|
|
if (! isset($b["id"], $a[$b["id"]])) {
|
|
echo "z";
|
|
}
|
|
}'
|
|
],
|
|
'assertOnPossiblyDefined' => [
|
|
'<?php
|
|
function crashes(): void {
|
|
if (rand(0,1)) {
|
|
$dt = new \DateTime;
|
|
}
|
|
/**
|
|
* @psalm-suppress PossiblyUndefinedVariable
|
|
* @psalm-suppress MixedArgument
|
|
*/
|
|
assert($dt);
|
|
}'
|
|
],
|
|
'arrayKeyExistsThrice' => [
|
|
'<?php
|
|
function three(array $a): void {
|
|
if (!array_key_exists("a", $a)
|
|
|| !array_key_exists("b", $a)
|
|
|| !array_key_exists("c", $a)
|
|
|| (!is_string($a["a"]) && !is_int($a["a"]))
|
|
|| (!is_string($a["b"]) && !is_int($a["b"]))
|
|
|| (!is_string($a["c"]) && !is_int($a["c"]))
|
|
) {
|
|
throw new \Exception();
|
|
}
|
|
|
|
echo $a["a"];
|
|
echo $a["b"];
|
|
}'
|
|
],
|
|
'arrayKeyExistsTwice' => [
|
|
'<?php
|
|
function two(array $a): void {
|
|
if (!array_key_exists("a", $a) || !(is_string($a["a"]) || is_int($a["a"])) ||
|
|
!array_key_exists("b", $a) || !(is_string($a["b"]) || is_int($a["b"]))
|
|
) {
|
|
throw new \Exception();
|
|
}
|
|
|
|
echo $a["a"];
|
|
echo $a["b"];
|
|
}'
|
|
],
|
|
'issetOnNullableMixed' => [
|
|
'<?php
|
|
function processParam(mixed $param) : void {
|
|
if (rand(0, 1)) {
|
|
$param = null;
|
|
}
|
|
|
|
if (isset($param["name"])) {
|
|
/**
|
|
* @psalm-suppress MixedArgument
|
|
*/
|
|
echo $param["name"];
|
|
}
|
|
}',
|
|
[],
|
|
[],
|
|
'8.0'
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @return iterable<string,array{string,error_message:string,2?:string[],3?:bool,4?:string}>
|
|
*/
|
|
public function providerInvalidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'complainAboutBadCallInIsset' => [
|
|
'<?php
|
|
class A {}
|
|
$a = isset(A::foo()[0]);',
|
|
'error_message' => 'UndefinedMethod',
|
|
],
|
|
'issetVariableKeysWithChange' => [
|
|
'<?php
|
|
$arr = [[1, 2, 3], null, [1, 2, 3], null];
|
|
$b = 2;
|
|
$c = 0;
|
|
if (isset($arr[$b][$c])) {
|
|
$b = 1;
|
|
echo $arr[$b][$c];
|
|
}',
|
|
'error_message' => 'NullArrayAccess',
|
|
],
|
|
'issetAdditionalVarWithSealedTKeyedArray' => [
|
|
'<?php
|
|
class Example {
|
|
const FOO = "foo";
|
|
public function test() : bool {
|
|
$params = ["bar" => "bat"];
|
|
|
|
if (isset($params[self::FOO])) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}',
|
|
'error_message' => 'InvalidArrayOffset',
|
|
],
|
|
'listDestructuringErrorSuppress' => [
|
|
'<?php
|
|
function foo(string $s) : string {
|
|
@list($port) = explode(":", $s, -1);
|
|
return $port;
|
|
}',
|
|
'error_message' => 'NullableReturnStatement',
|
|
],
|
|
'undefinedVarInNullCoalesce' => [
|
|
'<?php
|
|
function bar(): void {
|
|
$do_baz = $config["do_it"] ?? false;
|
|
if ($do_baz) {
|
|
baz();
|
|
}
|
|
}',
|
|
'error_message' => 'UndefinedVariable'
|
|
],
|
|
'issetNullVar' => [
|
|
'<?php
|
|
function four(?string $s) : void {
|
|
if ($s === null) {
|
|
if (isset($s)) {}
|
|
}
|
|
}',
|
|
'error_message' => 'TypeDoesNotContainType',
|
|
],
|
|
'stringIsAlwaysSet' => [
|
|
'<?php
|
|
function foo(string $s) : string {
|
|
if (!isset($s)) {
|
|
return "foo";
|
|
}
|
|
return "bar";
|
|
}',
|
|
'error_message' => 'TypeDoesNotContainType'
|
|
],
|
|
'issetOnArrayOfArraysReturningString' => [
|
|
'<?php
|
|
function foo(int $i) : ?string {
|
|
/** @var array<array> */
|
|
$tokens = [];
|
|
|
|
if (!isset($tokens[$i]["a"])) {
|
|
return $tokens[$i]["a"];
|
|
}
|
|
|
|
return "hello";
|
|
}',
|
|
'error_message' => 'PossiblyUndefinedArrayOffset',
|
|
],
|
|
'accessAfterIssetCheckOnFalsableArray' => [
|
|
'<?php
|
|
/**
|
|
* @return array{b?: string}|false
|
|
*/
|
|
function returnPossiblyFalseArray() {
|
|
return rand(0, 1) ? false : (rand(0, 1) ? ["b" => "hello"] : []);
|
|
}
|
|
|
|
function foo() : void {
|
|
$arr = returnPossiblyFalseArray();
|
|
/** @psalm-suppress PossiblyInvalidArrayAccess */
|
|
if (!isset($arr["b"])) {}
|
|
echo $arr["b"];
|
|
}',
|
|
'error_message' => 'PossiblyInvalidArrayAccess',
|
|
],
|
|
];
|
|
}
|
|
}
|