Fix ArrayColumnHelper for non-empty-list<array<string, mixed>> to return also non-empty-list

Author: kamil-zacek

src/Type/Php/ArrayColumnHelper.php

@@ -43,7 +43,7 @@ public function getReturnValueType(Type $arrayType, Type $columnType, Scope $sco
 
 		if ($returnValueType === null) {
 			$returnValueType = $this->getOffsetOrProperty($iterableValueType, $columnType, $scope, true);
-			$iterableAtLeastOnce = TrinaryLogic::createMaybe();
+			$iterableAtLeastOnce = $arrayType->isList();
 			if ($returnValueType === null) {
 				throw new ShouldNotHappenException();
 			}

tests/PHPStan/Analyser/AnalyserIntegrationTest.php

@@ -272,6 +272,12 @@ public function testBug3379(): void
 		$this->assertSame('Constant SOME_UNKNOWN_CONST not found.', $errors[0]->getMessage());
 	}
 
+	public function testArraysBug(): void
+	{
+		$errors = $this->runAnalyse(__DIR__ . '/nsrt/bug-array-column.php');
+		$this->assertNoErrors($errors);
+	}
+
 	public function testBug3798(): void
 	{
 		$errors = $this->runAnalyse(__DIR__ . '/data/bug-3798.php');

tests/PHPStan/Analyser/nsrt/array-column.php

@@ -239,6 +239,13 @@ public function testObjects2(array $array): void
 		assertType('non-empty-array<DOMElement>', array_column($array, null, 'foo'));
 	}
 
+	/**
+	 * @param non-empty-list<array<string, mixed>> $list
+	 */
+	public function testList1(array $list): void
+	{
+		assertType('non-empty-list<mixed>', array_column($list, 'value'));
+	}
 }
 
 final class Foo

tests/PHPStan/Analyser/nsrt/bug-array-column.php

@@ -0,0 +1,18 @@
+<?php // lint < 8.2
+
+namespace ArrayColumn;
+
+use DOMElement;
+use function PHPStan\Testing\assertType;
+
+
+class ArrayColumnTest
+{
+	/**
+	 * @param non-empty-list<array<string, mixed>> $list
+	 */
+	public function testList1(array $list): void
+	{
+		assertType('non-empty-list<mixed>', array_column($list, 'value'));
+	}
+}