mirror of
https://github.com/danog/psalm.git
synced 2024-12-11 16:59:45 +01:00
1178 lines
42 KiB
PHP
1178 lines
42 KiB
PHP
<?php
|
|
|
|
namespace Psalm\Tests\TypeReconciliation;
|
|
|
|
use Psalm\Tests\TestCase;
|
|
use Psalm\Tests\Traits\InvalidCodeAnalysisTestTrait;
|
|
use Psalm\Tests\Traits\ValidCodeAnalysisTestTrait;
|
|
|
|
class IssetTest extends TestCase
|
|
{
|
|
use ValidCodeAnalysisTestTrait;
|
|
use InvalidCodeAnalysisTestTrait;
|
|
|
|
public function providerValidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'issetWithSimpleAssignment' => [
|
|
'code' => '<?php
|
|
$array = [];
|
|
|
|
if (isset($array[$a = 5])) {
|
|
print "hello";
|
|
}
|
|
|
|
print $a;',
|
|
'assertions' => [],
|
|
'ignored_issues' => ['EmptyArrayAccess'],
|
|
],
|
|
'issetWithMultipleAssignments' => [
|
|
'code' => '<?php
|
|
if (rand(0, 4) > 2) {
|
|
$arr = [5 => [3 => "hello"]];
|
|
}
|
|
|
|
if (isset($arr[$a = 5][$b = 3])) {
|
|
|
|
}
|
|
|
|
echo $a;
|
|
echo $b;',
|
|
'assertions' => [],
|
|
'ignored_issues' => ['MixedArrayAccess'],
|
|
],
|
|
'isset' => [
|
|
'code' => '<?php
|
|
$a = isset($b) ? $b : null;',
|
|
'assertions' => [
|
|
'$a' => 'mixed|null',
|
|
],
|
|
'ignored_issues' => ['MixedAssignment'],
|
|
],
|
|
'nullCoalesce' => [
|
|
'code' => '<?php
|
|
$a = $b ?? null;',
|
|
'assertions' => [
|
|
'$a' => 'mixed|null',
|
|
],
|
|
'ignored_issues' => ['MixedAssignment'],
|
|
],
|
|
'nullCoalesceWithGoodVariable' => [
|
|
'code' => '<?php
|
|
$b = rand(0, 10) > 5 ? "hello" : null;
|
|
$a = $b ?? null;',
|
|
'assertions' => [
|
|
'$a' => 'null|string',
|
|
],
|
|
],
|
|
'issetKeyedOffset' => [
|
|
'code' => '<?php
|
|
function getArray() : array {
|
|
return [];
|
|
}
|
|
|
|
$foo = getArray();
|
|
|
|
if (!isset($foo["a"])) {
|
|
$foo["a"] = "hello";
|
|
}',
|
|
'assertions' => [
|
|
'$foo[\'a\']' => 'mixed|string',
|
|
],
|
|
'ignored_issues' => [],
|
|
],
|
|
'issetKeyedOffsetORFalse' => [
|
|
'code' => '<?php
|
|
/** @return void */
|
|
function takesString(string $str) {}
|
|
|
|
$bar = rand(0, 1) ? ["foo" => "bar"] : false;
|
|
|
|
if (isset($bar["foo"])) {
|
|
takesString($bar["foo"]);
|
|
}',
|
|
'assertions' => [],
|
|
'ignored_issues' => ['PossiblyInvalidArrayAccess'],
|
|
],
|
|
'nullCoalesceKeyedOffset' => [
|
|
'code' => '<?php
|
|
function getArray() : array {
|
|
return [];
|
|
}
|
|
|
|
$foo = getArray();
|
|
|
|
$foo["a"] = $foo["a"] ?? "hello";',
|
|
'assertions' => [
|
|
'$foo[\'a\']' => 'mixed|string',
|
|
],
|
|
'ignored_issues' => ['MixedAssignment'],
|
|
],
|
|
'noRedundantConditionOnMixed' => [
|
|
'code' => '<?php
|
|
function testarray(array $data): void {
|
|
foreach ($data as $item) {
|
|
if (isset($item["a"]) && isset($item["b"]["c"])) {
|
|
echo "Found\n";
|
|
}
|
|
}
|
|
}',
|
|
'assertions' => [],
|
|
'ignored_issues' => ['MixedAssignment', 'MixedArrayAccess'],
|
|
],
|
|
'testUnset' => [
|
|
'code' => '<?php
|
|
$foo = ["a", "b", "c"];
|
|
foreach ($foo as $bar) {}
|
|
unset($foo, $bar);
|
|
|
|
function foo(): void {
|
|
$foo = ["a", "b", "c"];
|
|
foreach ($foo as $bar) {}
|
|
unset($foo, $bar);
|
|
}',
|
|
],
|
|
'issetTKeyedArray' => [
|
|
'code' => '<?php
|
|
$arr = [
|
|
"profile" => [
|
|
"foo" => "bar",
|
|
],
|
|
"groups" => [
|
|
"foo" => "bar",
|
|
"hide" => rand() % 2 > 0,
|
|
],
|
|
];
|
|
|
|
foreach ($arr as $item) {
|
|
if (!isset($item["hide"]) || !$item["hide"]) {}
|
|
}',
|
|
],
|
|
'issetPropertyAffirmsObject' => [
|
|
'code' => '<?php
|
|
class A {
|
|
/** @var ?int */
|
|
public $id;
|
|
}
|
|
|
|
function takesA(?A $a): A {
|
|
if (isset($a->id)) {
|
|
return $a;
|
|
}
|
|
|
|
return new A();
|
|
}',
|
|
],
|
|
'issetVariableKeysWithoutChange' => [
|
|
'code' => '<?php
|
|
$arr = [[1, 2, 3], null, [1, 2, 3], null];
|
|
$b = rand(0, 2);
|
|
$c = rand(0, 2);
|
|
if (isset($arr[$b][$c])) {
|
|
echo $arr[$b][$c];
|
|
}',
|
|
],
|
|
'issetNonNullArrayKey' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param array<int, int> $arr
|
|
*/
|
|
function foo(array $arr) : int {
|
|
$b = rand(0, 3);
|
|
if (!isset($arr[$b])) {
|
|
throw new \Exception("bad");
|
|
}
|
|
return $arr[$b];
|
|
}',
|
|
],
|
|
'issetWithCalculatedKeyAndEqualComparison' => [
|
|
'code' => '<?php
|
|
/** @var array<string, string> $array */
|
|
$array = [];
|
|
|
|
function sameString(string $string): string {
|
|
return $string;
|
|
}
|
|
|
|
if (isset($array[sameString("key")]) === false) {
|
|
throw new \LogicException("No such key");
|
|
}
|
|
$value = $array[sameString("key")];
|
|
',
|
|
'assertions' => [
|
|
'$value' => 'string',
|
|
],
|
|
],
|
|
'issetArrayOffsetConditionalCreationWithInt' => [
|
|
'code' => '<?php
|
|
/** @param array<int, string> $arr */
|
|
function foo(array $arr) : string {
|
|
if (!isset($arr[0])) {
|
|
$arr[0] = "hello";
|
|
}
|
|
|
|
return $arr[0];
|
|
}',
|
|
],
|
|
'issetArrayOffsetConditionalCreationWithVariable' => [
|
|
'code' => '<?php
|
|
/** @param array<int, string> $arr */
|
|
function foo(array $arr) : string {
|
|
$b = 5;
|
|
|
|
if (!isset($arr[$b])) {
|
|
$arr[$b] = "hello";
|
|
}
|
|
|
|
return $arr[$b];
|
|
}',
|
|
],
|
|
'noExceptionOnBracketString' => [
|
|
'code' => '<?php
|
|
if (isset($foo["bar[]"])) {}',
|
|
],
|
|
'issetArrayOffsetAndProperty' => [
|
|
'code' => '<?php
|
|
class A {
|
|
/** @var ?B */
|
|
public $b;
|
|
}
|
|
class B {}
|
|
|
|
/**
|
|
* @param A[] $arr
|
|
*/
|
|
function takesAList(array $arr) : B {
|
|
if (isset($arr[1]->b)) {
|
|
return $arr[1]->b;
|
|
}
|
|
throw new \Exception("bad");
|
|
}',
|
|
],
|
|
'allowUnknownAdditionToInt' => [
|
|
'code' => '<?php
|
|
$arr = [1, 1, 1, 1, 2, 5, 3, 2];
|
|
$cumulative = [];
|
|
|
|
foreach ($arr as $val) {
|
|
if (isset($cumulative[$val])) {
|
|
$cumulative[$val] = $cumulative[$val] + 1;
|
|
} else {
|
|
$cumulative[$val] = 1;
|
|
}
|
|
}',
|
|
],
|
|
'allowUnknownArrayMergeToInt' => [
|
|
'code' => '<?php
|
|
$arr = [1, 1, 1, 1, 2, 5, 3, 2];
|
|
$cumulative = [];
|
|
|
|
foreach ($arr as $val) {
|
|
if (isset($cumulative[$val])) {
|
|
$cumulative[$val] = array_merge($cumulative[$val], [$val]);
|
|
} else {
|
|
$cumulative[$val] = [$val];
|
|
}
|
|
}
|
|
|
|
foreach ($cumulative as $arr) {
|
|
foreach ($arr as $val) {
|
|
takesInt($val);
|
|
}
|
|
}
|
|
|
|
function takesInt(int $i) : void {}',
|
|
],
|
|
'returnArrayWithDefinedKeys' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param array{bar?: int, foo: int|string} $arr
|
|
* @return array{bar: int, foo: string}|null
|
|
*/
|
|
function foo(array $arr) : ?array {
|
|
if (!isset($arr["bar"])) {
|
|
return null;
|
|
}
|
|
|
|
if (is_int($arr["foo"])) {
|
|
return null;
|
|
}
|
|
|
|
return $arr;
|
|
}',
|
|
],
|
|
'arrayAccessAfterOneIsset' => [
|
|
'code' => '<?php
|
|
$arr = [];
|
|
|
|
foreach ([1, 2, 3] as $foo) {
|
|
if (!isset($arr["bar"])) {
|
|
$arr["bar"] = 0;
|
|
}
|
|
|
|
echo $arr["bar"];
|
|
}',
|
|
],
|
|
'arrayAccessAfterTwoIssets' => [
|
|
'code' => '<?php
|
|
$arr = [];
|
|
|
|
foreach ([1, 2, 3] as $foo) {
|
|
if (!isset($arr["foo"])) {
|
|
$arr["foo"] = 0;
|
|
}
|
|
|
|
if (!isset($arr["bar"])) {
|
|
$arr["bar"] = 0;
|
|
}
|
|
|
|
echo $arr["bar"];
|
|
}',
|
|
],
|
|
'issetAdditionalVar' => [
|
|
'code' => '<?php
|
|
class Example {
|
|
const FOO = "foo";
|
|
/**
|
|
* @param array{bar:string, ...} $params
|
|
*/
|
|
public function test(array $params) : bool {
|
|
if (isset($params[self::FOO])) {
|
|
return true;
|
|
}
|
|
|
|
if (isset($params["bat"])) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}',
|
|
],
|
|
'noRedundantConditionAfterIsset' => [
|
|
'code' => '<?php
|
|
/** @param array<string, array<int, string>> $arr */
|
|
function foo(array $arr, string $k) : void {
|
|
if (!isset($arr[$k])) {
|
|
return;
|
|
}
|
|
|
|
if ($arr[$k][0]) {}
|
|
}',
|
|
],
|
|
'mixedArrayIsset' => [
|
|
'code' => '<?php
|
|
$a = isset($_GET["a"]) ? $_GET["a"] : "";
|
|
if ($a) {}',
|
|
'assertions' => [],
|
|
'ignored_issues' => ['MixedAssignment', 'MixedArrayAccess'],
|
|
],
|
|
'mixedArrayIssetGetStringVar' => [
|
|
'code' => '<?php
|
|
if (isset($_GET["b"]) && is_string($_GET["b"])) {
|
|
echo $_GET["b"];
|
|
}',
|
|
],
|
|
'regularArrayAccessInLoopAfterIsset' => [
|
|
'code' => '<?php
|
|
$arr = [];
|
|
while (rand(0, 1)) {
|
|
if (!isset($arr["a"]["b"])) {
|
|
$arr["a"]["b"] = "foo";
|
|
}
|
|
echo $arr["a"]["b"];
|
|
}',
|
|
],
|
|
'conditionalArrayAccessInLoopAfterIssetWithAltAssignment' => [
|
|
'code' => '<?php
|
|
$arr = [];
|
|
while (rand(0, 1)) {
|
|
if (rand(0, 1)) {
|
|
if (!isset($arr["a"]["b"])) {
|
|
$arr["a"]["b"] = "foo";
|
|
}
|
|
echo $arr["a"]["b"];
|
|
} else {
|
|
$arr["c"] = "foo";
|
|
}
|
|
}',
|
|
],
|
|
'issetVarInLoopBeforeAssignment' => [
|
|
'code' => '<?php
|
|
function foo() : void {
|
|
while (rand(0, 1)) {
|
|
if (!isset($foo)) {
|
|
$foo = 1;
|
|
}
|
|
}
|
|
}',
|
|
],
|
|
'issetOnArrayAccess' => [
|
|
'code' => '<?php
|
|
function foo(ArrayAccess $arr) : void {
|
|
$a = isset($arr["a"]) ? $arr["a"] : 4;
|
|
takesInt($a);
|
|
}
|
|
function takesInt(int $i) : void {}',
|
|
'assertions' => [],
|
|
'ignored_issues' => ['MixedAssignment', 'MixedArgument'],
|
|
],
|
|
'noParadoxOnMultipleNotIssets' => [
|
|
'code' => '<?php
|
|
/** @var array */
|
|
$array = [];
|
|
function sameString(string $string): string {
|
|
return $string;
|
|
}
|
|
|
|
if (isset($array[sameString("key1")]) || isset($array[sameString("key2")])) {
|
|
throw new \InvalidArgumentException();
|
|
}
|
|
|
|
if (!isset($array[sameString("key3")]) || !isset($array[sameString("key4")])) {
|
|
throw new \InvalidArgumentException();
|
|
}',
|
|
],
|
|
'notIssetOneOrOtherSimple' => [
|
|
'code' => '<?php
|
|
$foo = [
|
|
"one" => rand(0,1) ? new DateTime : null,
|
|
"two" => rand(0,1) ? new DateTime : null,
|
|
"three" => new DateTime
|
|
];
|
|
|
|
if (!(isset($foo["one"]) || isset($foo["two"]))) {
|
|
exit;
|
|
}
|
|
|
|
echo $foo["one"]->format("Y");',
|
|
'assertions' => [],
|
|
'ignored_issues' => ['PossiblyNullReference'],
|
|
],
|
|
'notIssetOneOrOtherWithoutAssert' => [
|
|
'code' => '<?php
|
|
$foo = [
|
|
"one" => rand(0,1) ? new DateTime : null,
|
|
"two" => rand(0,1) ? new DateTime : null,
|
|
"three" => new DateTime
|
|
];
|
|
|
|
$a = isset($foo["one"]) || isset($foo["two"]);
|
|
|
|
echo $foo["one"]->format("Y");',
|
|
'assertions' => [],
|
|
'ignored_issues' => ['PossiblyNullReference'],
|
|
],
|
|
'notIssetOneOrOtherWithAssert' => [
|
|
'code' => '<?php
|
|
$foo = [
|
|
"one" => rand(0,1) ? new DateTime : null,
|
|
"two" => rand(0,1) ? new DateTime : null,
|
|
"three" => new DateTime
|
|
];
|
|
|
|
assert(isset($foo["one"]) || isset($foo["two"]));
|
|
|
|
echo $foo["one"]->format("Y");',
|
|
'assertions' => [],
|
|
'ignored_issues' => ['PossiblyNullReference'],
|
|
],
|
|
'assertArrayAfterIssetStringOffset' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param string|array $a
|
|
*/
|
|
function _renderInput($a) : array {
|
|
if (isset($a["foo"], $a["bar"])) {
|
|
return $a;
|
|
}
|
|
|
|
return [];
|
|
}',
|
|
],
|
|
'assertMoreComplicatedArrayAfterIssetStringOffset' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param string|int $val
|
|
* @param string|array $text
|
|
* @param array $data
|
|
*/
|
|
function _renderInput($val, $text, $data) : array {
|
|
if (is_int($val) && isset($text["foo"], $text["bar"])) {
|
|
$radio = $text;
|
|
} else {
|
|
$radio = ["value" => $val, "text" => $text];
|
|
}
|
|
return $radio;
|
|
}',
|
|
'assertions' => [],
|
|
'ignored_issues' => ['MixedAssignment'],
|
|
],
|
|
'assertAfterIsset' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param mixed $arr
|
|
*/
|
|
function foo($arr) : void {
|
|
if (empty($arr)) {
|
|
return;
|
|
}
|
|
|
|
if (isset($arr["a"]) && isset($arr["b"])) {}
|
|
}',
|
|
'assertions' => [],
|
|
'ignored_issues' => ['MixedAssignment'],
|
|
],
|
|
'noCrashAfterIsset' => [
|
|
'code' => '<?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' => [],
|
|
'ignored_issues' => ['MixedAssignment', 'MixedArrayOffset', 'InvalidArrayOffset'],
|
|
],
|
|
'sessionNullCoalesce' => [
|
|
'code' => '<?php
|
|
$a = $_SESSION ?? [];',
|
|
],
|
|
'sessionIssetNull' => [
|
|
'code' => '<?php
|
|
$a = isset($_SESSION) ? $_SESSION : [];',
|
|
],
|
|
'issetSeparateNegated' => [
|
|
'code' => '<?php
|
|
function foo(?string $a, ?string $b): string {
|
|
if (!isset($a) || !isset($b)) {
|
|
return "";
|
|
}
|
|
return $a . $b;
|
|
}',
|
|
],
|
|
'issetMultipleNegated' => [
|
|
'code' => '<?php
|
|
function foo(?string $a, ?string $b): string {
|
|
if (!isset($a, $b)) {
|
|
return "";
|
|
}
|
|
return $a . $b;
|
|
}',
|
|
],
|
|
'issetMultipleNegatedWithExtraClause' => [
|
|
'code' => '<?php
|
|
function foo(?string $a, ?string $b): string {
|
|
if (!(isset($a, $b) && rand(0, 1))) {
|
|
return "";
|
|
}
|
|
return $a . $b;
|
|
}',
|
|
],
|
|
'issetMultipleNotNegated' => [
|
|
'code' => '<?php
|
|
function foo(?string $a, ?string $b): string {
|
|
if (isset($a, $b)) {
|
|
return $a . $b;
|
|
}
|
|
|
|
return "";
|
|
}',
|
|
],
|
|
'issetNotIssetTest' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param string[] $a
|
|
* @return array{b: string, ...}
|
|
*/
|
|
function foo(array $a) {
|
|
if (isset($a["b"])) {
|
|
return $a;
|
|
}
|
|
|
|
throw new \Exception("bad");
|
|
}',
|
|
],
|
|
|
|
'issetOnArrayTwice' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?php
|
|
function foo(string $s) : void {
|
|
@list(, $port) = explode(":", $s);
|
|
echo isset($port) ? "cool" : "uncool";
|
|
}',
|
|
],
|
|
'listDestructuringErrorSuppressWithFirstString' => [
|
|
'code' => '<?php
|
|
function foo(string $s) : string {
|
|
@list($port, $starboard) = explode(":", $s);
|
|
return $port;
|
|
}',
|
|
],
|
|
'accessAfterArrayExistsVariable' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?php
|
|
function foo(array $options): void {
|
|
if (isset($options["a"])) {
|
|
$options["b"] = "hello";
|
|
}
|
|
|
|
if (\is_array($options["b"])) {}
|
|
}',
|
|
],
|
|
'issetOnThing' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public bool $s = true;
|
|
}
|
|
function foo(?A $a) : string {
|
|
if (rand(0, 1) && !($a->s ?? false)) {
|
|
return "foo";
|
|
}
|
|
return "bar";
|
|
}',
|
|
],
|
|
'issetOnNullableObjectWithIsset' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?php
|
|
class C {
|
|
public function foo() : ?string {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
function foo(C $c) : void {
|
|
strlen($c->foo() ?? "");
|
|
}',
|
|
],
|
|
'issetOnMethodCallInsideMethodCall' => [
|
|
'code' => '<?php
|
|
class C {
|
|
public function foo() : ?string {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
function foo(C $c) : void {
|
|
new DateTime($c->foo() ?? "");
|
|
}',
|
|
],
|
|
'methodCallAfterIsset' => [
|
|
'code' => '<?php
|
|
class B {
|
|
public function bar() : void {}
|
|
}
|
|
|
|
/** @psalm-suppress MissingConstructor */
|
|
class A {
|
|
/** @var B */
|
|
public $foo;
|
|
|
|
public function init() : void {
|
|
/** @psalm-suppress RedundantPropertyInitializationCheck */
|
|
if (isset($this->foo)) {
|
|
return;
|
|
}
|
|
|
|
if (rand(0, 1)) {
|
|
$this->foo = new B;
|
|
} else {
|
|
$this->foo = new B;
|
|
}
|
|
|
|
$this->foo->bar();
|
|
}
|
|
}',
|
|
],
|
|
'issetOnArrayOfArraysReturningStringInElse' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @psalm-suppress MixedArgument
|
|
*/
|
|
function foo(int $i) : void {
|
|
/** @var array<array> */
|
|
$tokens = [];
|
|
|
|
if (!isset($tokens[$i]["a"])) {
|
|
echo $tokens[$i]["b"];
|
|
}
|
|
}',
|
|
],
|
|
'issetOnArrayOfArrayOfStrings' => [
|
|
'code' => '<?php
|
|
function foo(int $i) : void {
|
|
/** @var array<int, array<string, string>> */
|
|
$tokens = [];
|
|
|
|
if (!isset($tokens[$i]["a"])) {
|
|
echo $tokens[$i]["b"];
|
|
}
|
|
}',
|
|
],
|
|
'noMixedMethodCallAfterIsset' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?php
|
|
class A {}
|
|
|
|
function run1(array $arguments): void {
|
|
if ($arguments["a"] instanceof A) {}
|
|
|
|
if ($arguments["b"]) {
|
|
/** @psalm-suppress MixedArgument */
|
|
echo $arguments["b"];
|
|
}
|
|
}',
|
|
],
|
|
'issetOnClassConstantOffset' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?php
|
|
/** @psalm-suppress MixedArrayOffset */
|
|
function foo(array $a, array $b) : void {
|
|
if (! isset($b["id"], $a[$b["id"]])) {
|
|
echo "z";
|
|
}
|
|
}',
|
|
],
|
|
'assertOnPossiblyDefined' => [
|
|
'code' => '<?php
|
|
function crashes(): void {
|
|
if (rand(0,1)) {
|
|
$dt = new \DateTime;
|
|
}
|
|
/**
|
|
* @psalm-suppress PossiblyUndefinedVariable
|
|
* @psalm-suppress MixedArgument
|
|
*/
|
|
assert($dt);
|
|
}',
|
|
],
|
|
'issetOnNullableMixed' => [
|
|
'code' => '<?php
|
|
function processParam(mixed $param) : void {
|
|
if (rand(0, 1)) {
|
|
$param = null;
|
|
}
|
|
|
|
if (isset($param["name"])) {
|
|
/**
|
|
* @psalm-suppress MixedArgument
|
|
*/
|
|
echo $param["name"];
|
|
}
|
|
}',
|
|
'assertions' => [],
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.0',
|
|
],
|
|
'assertComplex' => [
|
|
'code' => '<?php
|
|
function returnsInt(?int $a, ?int $b): int {
|
|
assert($a !== null || $b !== null);
|
|
return isset($a) ? $a : $b;
|
|
}',
|
|
],
|
|
'assertComplexWithNullCoalesce' => [
|
|
'code' => '<?php
|
|
function returnsInt(?int $a, ?int $b): int {
|
|
assert($a !== null || $b !== null);
|
|
return $a ?? $b;
|
|
}',
|
|
],
|
|
'nullCoalesceSimpleArrayOffset' => [
|
|
'code' => '<?php
|
|
function a(array $arr) : void {
|
|
/** @psalm-suppress MixedArgument */
|
|
echo isset($arr["a"]["b"]) ? $arr["a"]["b"] : 0;
|
|
}
|
|
|
|
function b(array $arr) : void {
|
|
/** @psalm-suppress MixedArgument */
|
|
echo $arr["a"]["b"] ?? 0;
|
|
}',
|
|
],
|
|
'coalescePreserveContext' => [
|
|
'code' => '<?php
|
|
function foo(array $test) : void {
|
|
/** @psalm-suppress MixedArgument */
|
|
echo $test[0] ?? ( $test[0] = 1 );
|
|
/** @psalm-suppress MixedArgument */
|
|
echo $test[0];
|
|
}',
|
|
],
|
|
];
|
|
}
|
|
|
|
public function providerInvalidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'complainAboutBadCallInIsset' => [
|
|
'code' => '<?php
|
|
class A {}
|
|
$a = isset(A::foo()[0]);',
|
|
'error_message' => 'UndefinedMethod',
|
|
],
|
|
'issetVariableKeysWithChange' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?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',
|
|
],
|
|
'undefinedVarInNullCoalesce' => [
|
|
'code' => '<?php
|
|
function bar(): void {
|
|
$do_baz = $config["do_it"] ?? false;
|
|
if ($do_baz) {
|
|
baz();
|
|
}
|
|
}',
|
|
'error_message' => 'UndefinedVariable',
|
|
],
|
|
'issetNullVar' => [
|
|
'code' => '<?php
|
|
function four(?string $s) : void {
|
|
if ($s === null) {
|
|
if (isset($s)) {}
|
|
}
|
|
}',
|
|
'error_message' => 'TypeDoesNotContainType',
|
|
],
|
|
'stringIsAlwaysSet' => [
|
|
'code' => '<?php
|
|
function foo(string $s) : string {
|
|
if (!isset($s)) {
|
|
return "foo";
|
|
}
|
|
return "bar";
|
|
}',
|
|
'error_message' => 'TypeDoesNotContainNull',
|
|
],
|
|
'issetOnArrayOfArraysReturningString' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?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',
|
|
],
|
|
'issetOnStaticProperty' => [
|
|
'code' => '<?php
|
|
class Singleton {
|
|
private static self $instance;
|
|
public function getInstance(): self {
|
|
if (isset(self::$instance)) {
|
|
return self::$instance;
|
|
}
|
|
return self::$instance = new self();
|
|
}
|
|
private function __construct() {}
|
|
}',
|
|
'error_message' => 'RedundantPropertyInitializationCheck',
|
|
],
|
|
'negatedIssetOnStaticProperty' => [
|
|
'code' => '<?php
|
|
class Singleton {
|
|
private static self $instance;
|
|
public function getInstance(): self {
|
|
if (!isset(self::$instance)) {
|
|
self::$instance = new self();
|
|
}
|
|
return self::$instance;
|
|
}
|
|
private function __construct() {}
|
|
}',
|
|
'error_message' => 'RedundantPropertyInitializationCheck',
|
|
],
|
|
'setArbitraryListElementAfterIsset' => [
|
|
'code' => '<?php
|
|
/** @param list<string> $list */
|
|
function foo(array &$list, int $offset): void {
|
|
if (isset($list[$offset])) {}
|
|
$list[$offset] = "";
|
|
}',
|
|
'error_message' => 'ReferenceConstraintViolation',
|
|
],
|
|
'setArbitraryListWithinNotIsset' => [
|
|
'code' => '<?php
|
|
/** @param list<string> $list */
|
|
function foo(array &$list, int $offset): void {
|
|
if (!isset($list[$offset])) {
|
|
$list[$offset] = "";
|
|
}
|
|
}',
|
|
'error_message' => 'ReferenceConstraintViolation',
|
|
],
|
|
];
|
|
}
|
|
}
|