mirror of
https://github.com/danog/psalm.git
synced 2024-11-27 12:55:26 +01:00
978 lines
30 KiB
PHP
978 lines
30 KiB
PHP
<?php
|
|
namespace Psalm\Tests;
|
|
|
|
class LoopScopeTest extends TestCase
|
|
{
|
|
use Traits\FileCheckerInvalidCodeParseTestTrait;
|
|
use Traits\FileCheckerValidCodeParseTestTrait;
|
|
|
|
/**
|
|
* @return array
|
|
*/
|
|
public function providerFileCheckerValidCodeParse()
|
|
{
|
|
return [
|
|
'switchVariableWithContinue' => [
|
|
'<?php
|
|
foreach ([\'a\', \'b\', \'c\'] as $letter) {
|
|
switch ($letter) {
|
|
case \'a\':
|
|
$foo = 1;
|
|
break;
|
|
case \'b\':
|
|
$foo = 2;
|
|
break;
|
|
default:
|
|
continue;
|
|
}
|
|
|
|
$moo = $foo;
|
|
}',
|
|
],
|
|
'switchVariableWithContinueAndIfs' => [
|
|
'<?php
|
|
foreach ([\'a\', \'b\', \'c\'] as $letter) {
|
|
switch ($letter) {
|
|
case \'a\':
|
|
if (rand(0, 10) === 1) {
|
|
continue;
|
|
}
|
|
$foo = 1;
|
|
break;
|
|
case \'b\':
|
|
if (rand(0, 10) === 1) {
|
|
continue;
|
|
}
|
|
$foo = 2;
|
|
break;
|
|
default:
|
|
continue;
|
|
}
|
|
|
|
$moo = $foo;
|
|
}',
|
|
],
|
|
'switchVariableWithFallthrough' => [
|
|
'<?php
|
|
foreach ([\'a\', \'b\', \'c\'] as $letter) {
|
|
switch ($letter) {
|
|
case \'a\':
|
|
case \'b\':
|
|
$foo = 2;
|
|
break;
|
|
|
|
default:
|
|
$foo = 3;
|
|
break;
|
|
}
|
|
|
|
$moo = $foo;
|
|
}',
|
|
],
|
|
'switchVariableWithFallthroughStatement' => [
|
|
'<?php
|
|
foreach ([\'a\', \'b\', \'c\'] as $letter) {
|
|
switch ($letter) {
|
|
case \'a\':
|
|
$bar = 1;
|
|
|
|
case \'b\':
|
|
$foo = 2;
|
|
break;
|
|
|
|
default:
|
|
$foo = 3;
|
|
break;
|
|
}
|
|
|
|
$moo = $foo;
|
|
}',
|
|
],
|
|
'whileVar' => [
|
|
'<?php
|
|
$worked = false;
|
|
|
|
while (rand(0,100) === 10) {
|
|
$worked = true;
|
|
}',
|
|
'assertions' => [
|
|
'$worked' => 'bool',
|
|
],
|
|
],
|
|
'doWhileVar' => [
|
|
'<?php
|
|
$worked = false;
|
|
|
|
do {
|
|
$worked = true;
|
|
}
|
|
while (rand(0,100) === 10);',
|
|
'assertions' => [
|
|
'$worked' => 'bool',
|
|
],
|
|
],
|
|
'doWhileUndefinedVar' => [
|
|
'<?php
|
|
do {
|
|
$result = rand(0,1);
|
|
} while (!$result);',
|
|
],
|
|
'doWhileVarAndBreak' => [
|
|
'<?php
|
|
/** @return void */
|
|
function foo(string $b) {}
|
|
|
|
do {
|
|
if (null === ($a = rand(0, 1) ? "hello" : null)) {
|
|
break;
|
|
}
|
|
|
|
foo($a);
|
|
}
|
|
while (rand(0,100) === 10);',
|
|
],
|
|
'objectValueWithTwoTypes' => [
|
|
'<?php
|
|
class B {}
|
|
class A {
|
|
/** @var A|B */
|
|
public $parent;
|
|
|
|
public function __construct() {
|
|
$this->parent = rand(0, 1) ? new A() : new B();
|
|
}
|
|
}
|
|
|
|
function makeA() : A {
|
|
return new A();
|
|
}
|
|
|
|
$a = makeA();
|
|
|
|
while ($a instanceof A) {
|
|
$a = $a->parent;
|
|
}',
|
|
'assertions' => [
|
|
'$a' => 'B',
|
|
],
|
|
],
|
|
'objectValueWithInstanceofProperty' => [
|
|
'<?php
|
|
class B {}
|
|
class A {
|
|
/** @var A|B */
|
|
public $parent;
|
|
|
|
public function __construct() {
|
|
$this->parent = rand(0, 1) ? new A() : new B();
|
|
}
|
|
}
|
|
|
|
function makeA() : A {
|
|
return new A();
|
|
}
|
|
|
|
$a = makeA();
|
|
|
|
while ($a->parent instanceof A) {
|
|
$a = $a->parent;
|
|
}
|
|
|
|
$b = $a->parent;',
|
|
'assertions' => [
|
|
'$a' => 'A',
|
|
'$b' => 'A|B',
|
|
],
|
|
],
|
|
'objectValueNullable' => [
|
|
'<?php
|
|
class A {
|
|
/** @var ?A */
|
|
public $parent;
|
|
|
|
public function __construct() {
|
|
$this->parent = rand(0, 1) ? new A() : null;
|
|
}
|
|
}
|
|
|
|
function makeA() : A {
|
|
return new A();
|
|
}
|
|
|
|
$a = makeA();
|
|
|
|
while ($a) {
|
|
$a = $a->parent;
|
|
}',
|
|
'assertions' => [
|
|
'$a' => 'null',
|
|
],
|
|
],
|
|
'objectValueWithAnd' => [
|
|
'<?php
|
|
class A {
|
|
/** @var ?A */
|
|
public $parent;
|
|
|
|
public function __construct() {
|
|
$this->parent = rand(0, 1) ? new A() : null;
|
|
}
|
|
}
|
|
|
|
function makeA() : A {
|
|
return new A();
|
|
}
|
|
|
|
$a = makeA();
|
|
|
|
while ($a && rand(0, 10) > 5) {
|
|
$a = $a->parent;
|
|
}',
|
|
'assertions' => [
|
|
'$a' => 'A|null',
|
|
],
|
|
],
|
|
'secondLoopWithNotNullCheck' => [
|
|
'<?php
|
|
/** @return void **/
|
|
function takesInt(int $i) {}
|
|
|
|
$a = null;
|
|
|
|
foreach ([1, 2, 3] as $i) {
|
|
if ($a !== null) takesInt($a);
|
|
$a = $i;
|
|
}',
|
|
],
|
|
'secondLoopWithIntCheck' => [
|
|
'<?php
|
|
/** @return void **/
|
|
function takesInt(int $i) {}
|
|
|
|
$a = null;
|
|
|
|
foreach ([1, 2, 3] as $i) {
|
|
if (is_int($a)) takesInt($a);
|
|
$a = $i;
|
|
}',
|
|
],
|
|
'secondLoopWithIntCheckAndConditionalSet' => [
|
|
'<?php
|
|
/** @return void **/
|
|
function takesInt(int $i) {}
|
|
|
|
$a = null;
|
|
|
|
foreach ([1, 2, 3] as $i) {
|
|
if (is_int($a)) takesInt($a);
|
|
|
|
if (rand(0, 1)) {
|
|
$a = $i;
|
|
}
|
|
}',
|
|
],
|
|
'secondLoopWithIntCheckAndAssignmentsInIfAndElse' => [
|
|
'<?php
|
|
/** @return void **/
|
|
function takesInt(int $i) {}
|
|
|
|
$a = null;
|
|
|
|
foreach ([1, 2, 3] as $i) {
|
|
if (is_int($a)) {
|
|
$a = 6;
|
|
} else {
|
|
$a = $i;
|
|
}
|
|
}',
|
|
],
|
|
'secondLoopWithIntCheckAndLoopSet' => [
|
|
'<?php
|
|
/** @return void **/
|
|
function takesInt(int $i) {}
|
|
|
|
$a = null;
|
|
|
|
foreach ([1, 2, 3] as $i) {
|
|
if (is_int($a)) takesInt($a);
|
|
|
|
while (rand(0, 1)) {
|
|
$a = $i;
|
|
}
|
|
}',
|
|
],
|
|
'secondLoopWithReturnInElseif' => [
|
|
'<?php
|
|
class A {}
|
|
class B extends A {}
|
|
class C extends A {}
|
|
|
|
$b = null;
|
|
|
|
foreach ([new A, new A] as $a) {
|
|
if ($a instanceof B) {
|
|
|
|
} elseif (!$a instanceof C) {
|
|
return "goodbye";
|
|
}
|
|
|
|
if ($b instanceof C) {
|
|
return "hello";
|
|
}
|
|
|
|
$b = $a;
|
|
}',
|
|
],
|
|
'thirdLoopWithIntCheckAndLoopSet' => [
|
|
'<?php
|
|
/** @return void **/
|
|
function takesInt(int $i) {}
|
|
|
|
$a = null;
|
|
$b = null;
|
|
|
|
foreach ([1, 2, 3] as $i) {
|
|
if ($b !== null) {
|
|
takesInt($b);
|
|
}
|
|
|
|
if ($a !== null) {
|
|
takesInt($a);
|
|
$b = $a;
|
|
}
|
|
|
|
$a = $i;
|
|
}',
|
|
],
|
|
'implicitFourthLoop' => [
|
|
'<?php
|
|
function test(): int {
|
|
$x = 0;
|
|
$y = 1;
|
|
$z = 2;
|
|
for ($i = 0; $i < 3; $i++) {
|
|
$x = $y;
|
|
$y = $z;
|
|
$z = 5;
|
|
}
|
|
return $x;
|
|
}',
|
|
],
|
|
'unsetInLoop' => [
|
|
'<?php
|
|
$a = null;
|
|
|
|
foreach ([1, 2, 3] as $i) {
|
|
$a = $i;
|
|
unset($i);
|
|
}',
|
|
],
|
|
'assignInsideForeach' => [
|
|
'<?php
|
|
$b = false;
|
|
|
|
foreach ([1, 2, 3, 4] as $a) {
|
|
if ($a === rand(0, 10)) {
|
|
$b = true;
|
|
}
|
|
}',
|
|
'assertions' => [
|
|
'$b' => 'bool',
|
|
],
|
|
],
|
|
'assignInsideForeachWithBreak' => [
|
|
'<?php
|
|
$b = false;
|
|
|
|
foreach ([1, 2, 3, 4] as $a) {
|
|
if ($a === rand(0, 10)) {
|
|
$b = true;
|
|
break;
|
|
}
|
|
}',
|
|
'assertions' => [
|
|
'$b' => 'bool',
|
|
],
|
|
],
|
|
'nullCheckInsideForeachWithContinue' => [
|
|
'<?php
|
|
class A {
|
|
/** @return array<A|null> */
|
|
public static function loadMultiple()
|
|
{
|
|
return [new A, null];
|
|
}
|
|
|
|
/** @return void */
|
|
public function barBar() {
|
|
|
|
}
|
|
}
|
|
|
|
foreach (A::loadMultiple() as $a) {
|
|
if ($a === null) {
|
|
continue;
|
|
}
|
|
|
|
$a->barBar();
|
|
}',
|
|
],
|
|
'loopWithArrayKey' => [
|
|
'<?php
|
|
/**
|
|
* @param array<array<int, array<string, string>>> $args
|
|
* @return array[]
|
|
*/
|
|
function get_merged_dict(array $args) {
|
|
$merged = array();
|
|
|
|
foreach ($args as $group) {
|
|
foreach ($group as $key => $value) {
|
|
if (isset($merged[$key])) {
|
|
$merged[$key] = array_merge($merged[$key], $value);
|
|
} else {
|
|
$merged[$key] = $value;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $merged;
|
|
}',
|
|
],
|
|
'loopWithNoParadox' => [
|
|
'<?php
|
|
$a = ["b", "c", "d"];
|
|
while ($a) {
|
|
$letter = array_pop($a);
|
|
if (!$a) {}
|
|
}',
|
|
],
|
|
'loopWithIfElseNoParadox' => [
|
|
'<?php
|
|
$a = [];
|
|
$b = rand(0, 10) > 5;
|
|
|
|
foreach ([1, 2, 3] as $i) {
|
|
if (rand(0, 5)) {
|
|
$a[] = 5;
|
|
continue;
|
|
}
|
|
|
|
if ($b) {
|
|
continue; // if this is removed, no failure
|
|
} else {} // if else is removed, no failure
|
|
}
|
|
|
|
if ($a) {}',
|
|
],
|
|
'bleedVarIntoOuterContextWithEmptyLoop' => [
|
|
'<?php
|
|
$tag = null;
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
}',
|
|
'assignments' => [
|
|
'$tag' => 'null|string',
|
|
],
|
|
],
|
|
'bleedVarIntoOuterContextWithRedefinedAsNull' => [
|
|
'<?php
|
|
$tag = null;
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
if ($tag === "a") {
|
|
$tag = null;
|
|
} else {
|
|
$tag = null;
|
|
}
|
|
}',
|
|
'assignments' => [
|
|
'$tag' => 'null',
|
|
],
|
|
],
|
|
'bleedVarIntoOuterContextWithRedefinedAsNullAndBreak' => [
|
|
'<?php
|
|
$tag = null;
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
if ($tag === "a") {
|
|
$tag = null;
|
|
break;
|
|
} elseif ($tag === "b") {
|
|
$tag = null;
|
|
break;
|
|
} else {
|
|
$tag = null;
|
|
break;
|
|
}
|
|
}',
|
|
'assignments' => [
|
|
'$tag' => 'null',
|
|
],
|
|
],
|
|
'bleedVarIntoOuterContextWithBreakInElse' => [
|
|
'<?php
|
|
$tag = null;
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
if ($tag === "a") {
|
|
$tag = null;
|
|
} else {
|
|
break;
|
|
}
|
|
}',
|
|
'assignments' => [
|
|
'$tag' => 'string|null',
|
|
],
|
|
],
|
|
'bleedVarIntoOuterContextWithBreakInIf' => [
|
|
'<?php
|
|
$tag = null;
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
if ($tag === "a") {
|
|
break;
|
|
} else {
|
|
$tag = null;
|
|
}
|
|
}',
|
|
'assignments' => [
|
|
'$tag' => 'string|null',
|
|
],
|
|
],
|
|
'bleedVarIntoOuterContextWithBreakInElseAndIntSet' => [
|
|
'<?php
|
|
$tag = null;
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
if ($tag === "a") {
|
|
$tag = 5;
|
|
} else {
|
|
break;
|
|
}
|
|
}',
|
|
'assignments' => [
|
|
'$tag' => 'string|null|int',
|
|
],
|
|
],
|
|
'bleedVarIntoOuterContextWithRedefineAndBreak' => [
|
|
'<?php
|
|
$tag = null;
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
if ($tag === "a") {
|
|
$tag = null;
|
|
} else {
|
|
$tag = null;
|
|
break;
|
|
}
|
|
}',
|
|
'assignments' => [
|
|
'$tag' => 'null',
|
|
],
|
|
],
|
|
'nullToNullableWithNullCheck' => [
|
|
'<?php
|
|
$a = null;
|
|
|
|
foreach ([1, 2, 3] as $i) {
|
|
if ($a === null) {
|
|
/** @var mixed */
|
|
$a = "hello";
|
|
}
|
|
}',
|
|
'assignments' => [
|
|
'$a' => 'mixed',
|
|
],
|
|
'error_levels' => [
|
|
'MixedAssignment',
|
|
],
|
|
],
|
|
'falseToBoolExplicitBreak' => [
|
|
'<?php
|
|
$a = false;
|
|
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
$a = true;
|
|
break;
|
|
}',
|
|
'assignments' => [
|
|
'$a' => 'bool',
|
|
],
|
|
],
|
|
'falseToBoolExplicitContinue' => [
|
|
'<?php
|
|
$a = false;
|
|
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
$a = true;
|
|
continue;
|
|
}',
|
|
'assignments' => [
|
|
'$a' => 'bool',
|
|
],
|
|
],
|
|
'falseToBoolInBreak' => [
|
|
'<?php
|
|
$a = false;
|
|
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
if ($tag === "a") {
|
|
$a = true;
|
|
break;
|
|
} else {
|
|
$a = true;
|
|
break;
|
|
}
|
|
}',
|
|
'assignments' => [
|
|
'$a' => 'bool',
|
|
],
|
|
],
|
|
'falseToBoolInContinue' => [
|
|
'<?php
|
|
$a = false;
|
|
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
if ($tag === "a") {
|
|
$a = true;
|
|
continue;
|
|
}
|
|
}',
|
|
'assignments' => [
|
|
'$a' => 'bool',
|
|
],
|
|
],
|
|
'falseToBoolInBreakAndContinue' => [
|
|
'<?php
|
|
$a = false;
|
|
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
if ($tag === "a") {
|
|
$a = true;
|
|
break;
|
|
}
|
|
|
|
if ($tag === "b") {
|
|
$a = true;
|
|
continue;
|
|
}
|
|
}',
|
|
'assignments' => [
|
|
'$a' => 'bool',
|
|
],
|
|
],
|
|
'falseToBoolInNestedForeach' => [
|
|
'<?php
|
|
$a = false;
|
|
|
|
foreach (["d", "e", "f"] as $l) {
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
if (!$a) {
|
|
if (rand(0, 10)) {
|
|
$a = true;
|
|
break;
|
|
} else {
|
|
$a = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}',
|
|
'assignments' => [
|
|
'$a' => 'bool',
|
|
],
|
|
],
|
|
'falseToBoolInContinueAndBreak' => [
|
|
'<?php
|
|
$a = false;
|
|
|
|
for ($i = 0; $i < 4; $i++) {
|
|
$j = rand(0, 10);
|
|
|
|
if ($j === 2) {
|
|
$a = true;
|
|
continue;
|
|
}
|
|
|
|
if ($j === 3) {
|
|
$a = true;
|
|
break;
|
|
}
|
|
}',
|
|
'assignments' => [
|
|
'$a' => 'bool',
|
|
],
|
|
],
|
|
'falseToBoolAfterContinueAndBreak' => [
|
|
'<?php
|
|
$a = false;
|
|
foreach ([1, 2, 3] as $i) {
|
|
if ($i > 0) {
|
|
$a = true;
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
}',
|
|
'assignments' => [
|
|
'$a' => 'bool',
|
|
],
|
|
],
|
|
'variableDefinedInForeachAndIf' => [
|
|
'<?php
|
|
foreach ([1,2,3,4] as $i) {
|
|
if ($i === 1) {
|
|
$a = true;
|
|
} else {
|
|
$a = false;
|
|
}
|
|
|
|
echo $a;
|
|
}',
|
|
],
|
|
'noRedundantConditionInWhileAssignment' => [
|
|
'<?php
|
|
class A {
|
|
/** @var ?int */
|
|
public $bar;
|
|
}
|
|
|
|
function foo() : ?A {
|
|
return rand(0, 1) ? new A : null;
|
|
}
|
|
|
|
while ($a = foo()) {
|
|
if ($a->bar) {}
|
|
}',
|
|
],
|
|
'noRedundantConditionAfterIsNumeric' => [
|
|
'<?php
|
|
$ids = [];
|
|
foreach (explode(",", "hello,5,20") as $i) {
|
|
if (!is_numeric($i)) {
|
|
continue;
|
|
}
|
|
|
|
$ids[] = $i;
|
|
}',
|
|
],
|
|
'mixedArrayAccessNoPossiblyUndefinedVar' => [
|
|
'<?php
|
|
function foo(array $arr) : void {
|
|
$r = [];
|
|
foreach ($arr as $key => $value) {
|
|
if ($value["foo"]) {}
|
|
$r[] = $key;
|
|
}
|
|
}',
|
|
'assignments' => [],
|
|
'error_levels' => [
|
|
'MixedAssignment', 'MixedArrayAccess',
|
|
],
|
|
],
|
|
'whileTrue' => [
|
|
'<?php
|
|
while (true) {
|
|
$a = "hello";
|
|
break;
|
|
}
|
|
while (1) {
|
|
$b = 5;
|
|
break;
|
|
}
|
|
for(;;) {
|
|
$c = true;
|
|
break;
|
|
}',
|
|
'assignments' => [
|
|
'$a' => 'string',
|
|
'$b' => 'int',
|
|
'$c' => 'true',
|
|
],
|
|
],
|
|
'foreachLoopWithOKManipulation' => [
|
|
'<?php
|
|
$list = [1, 2, 3];
|
|
foreach ($list as $i) {
|
|
$i = 5;
|
|
}',
|
|
],
|
|
'forLoopwithOKChange' => [
|
|
'<?php
|
|
$j = 5;
|
|
for ($i = $j; $i < 4; $i++) {
|
|
$j = 9;
|
|
}',
|
|
],
|
|
'foreachLoopDuplicateList' => [
|
|
'<?php
|
|
$list = [1, 2, 3];
|
|
foreach ($list as $i) {
|
|
foreach ($list as $j) {}
|
|
}',
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @return array
|
|
*/
|
|
public function providerFileCheckerInvalidCodeParse()
|
|
{
|
|
return [
|
|
'possiblyUndefinedArrayInForeach' => [
|
|
'<?php
|
|
foreach ([1, 2, 3, 4] as $b) {
|
|
$array[] = "hello";
|
|
}
|
|
|
|
echo $array;',
|
|
'error_message' => 'PossiblyUndefinedGlobalVariable - src/somefile.php:3 - Possibly undefined ' .
|
|
'global variable $array, first seen on line 3',
|
|
],
|
|
'possiblyUndefinedArrayInWhileAndForeach' => [
|
|
'<?php
|
|
for ($i = 0; $i < 4; $i++) {
|
|
while (rand(0,10) === 5) {
|
|
$array[] = "hello";
|
|
}
|
|
}
|
|
|
|
echo $array;',
|
|
'error_message' => 'PossiblyUndefinedGlobalVariable - src/somefile.php:4 - Possibly undefined ' .
|
|
'global variable $array, first seen on line 4',
|
|
],
|
|
'possiblyUndefinedVariableInForeach' => [
|
|
'<?php
|
|
foreach ([1, 2, 3, 4] as $b) {
|
|
$car = "Volvo";
|
|
}
|
|
|
|
echo $car;',
|
|
'error_message' => 'PossiblyUndefinedGlobalVariable - src/somefile.php:6 - Possibly undefined ' .
|
|
'global variable $car, first seen on line 3',
|
|
],
|
|
'possibleUndefinedVariableInForeachAndIf' => [
|
|
'<?php
|
|
foreach ([1,2,3,4] as $i) {
|
|
if ($i === 1) {
|
|
$a = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
echo $a;',
|
|
'error_message' => 'PossiblyUndefinedGlobalVariable - src/somefile.php:9 - Possibly undefined ' .
|
|
'global variable $a, first seen on line 4',
|
|
],
|
|
'possibleUndefinedVariableInForeachAndIf' => [
|
|
'<?php
|
|
foreach ([1,2,3,4] as $i) {
|
|
if ($i === 1) {
|
|
$a = true;
|
|
}
|
|
|
|
echo $a;
|
|
}',
|
|
'error_message' => 'PossiblyUndefinedGlobalVariable - src/somefile.php:7 - Possibly undefined ' .
|
|
'global variable $a, first seen on line 4',
|
|
],
|
|
'implicitFourthLoopWithBadReturnType' => [
|
|
'<?php
|
|
function test(): int {
|
|
$x = 0;
|
|
$y = 1;
|
|
$z = 2;
|
|
foreach ([0, 1, 2] as $i) {
|
|
$x = $y;
|
|
$y = $z;
|
|
$z = "hello";
|
|
}
|
|
return $x;
|
|
}',
|
|
'error_message' => 'InvalidReturnStatement',
|
|
],
|
|
'possiblyNullCheckInsideForeachWithNoLeaveStatement' => [
|
|
'<?php
|
|
class A {
|
|
/** @return array<A|null> */
|
|
public static function loadMultiple()
|
|
{
|
|
return [new A, null];
|
|
}
|
|
|
|
/** @return void */
|
|
public function barBar() {
|
|
|
|
}
|
|
}
|
|
|
|
foreach (A::loadMultiple() as $a) {
|
|
if ($a === null) {
|
|
// do nothing
|
|
}
|
|
|
|
$a->barBar();
|
|
}',
|
|
'error_message' => 'PossiblyNullReference',
|
|
],
|
|
'redundantConditionInForeachIf' => [
|
|
'<?php
|
|
$a = false;
|
|
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
if (!$a) {
|
|
$a = true;
|
|
break;
|
|
}
|
|
}',
|
|
'error_message' => 'RedundantCondition',
|
|
],
|
|
'redundantConditionInForeachWithIfElse' => [
|
|
'<?php
|
|
$a = false;
|
|
|
|
foreach (["a", "b", "c"] as $tag) {
|
|
if (!$a) {
|
|
if (rand(0, 1)) {
|
|
$a = true;
|
|
break;
|
|
} else {
|
|
$a = true;
|
|
break;
|
|
}
|
|
}
|
|
}',
|
|
'error_message' => 'RedundantCondition',
|
|
],
|
|
'whileTrueNoBreak' => [
|
|
'<?php
|
|
while (true) {
|
|
$a = "hello";
|
|
}
|
|
|
|
echo $a;',
|
|
'error_message' => 'UndefinedGlobalVariable',
|
|
],
|
|
'forInfiniteNoBreak' => [
|
|
'<?php
|
|
for (;;) {
|
|
$a = "hello";
|
|
}
|
|
|
|
echo $a;',
|
|
'error_message' => 'UndefinedGlobalVariable',
|
|
],
|
|
'foreachLoopInvalidation' => [
|
|
'<?php
|
|
$list = [1, 2, 3];
|
|
foreach ($list as $i) {
|
|
$list = [4, 5, 6];
|
|
}',
|
|
'error_message' => 'LoopInvalidation',
|
|
],
|
|
'forLoopInvalidation' => [
|
|
'<?php
|
|
for ($i = 0; $i < 4; $i++) {
|
|
foreach ([1, 2, 3] as $i) {}
|
|
}',
|
|
'error_message' => 'LoopInvalidation',
|
|
],
|
|
];
|
|
}
|
|
}
|