Replace raw version check with PhpVersion::hasFilterThrowOnFailureConstant()

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: phpstan-bot

src/Php/PhpVersion.php

@@ -501,4 +501,9 @@ public function supportsObjectsInArraySumProduct(): bool
 		return $this->versionId >= 80300;
 	}
 
+	public function hasFilterThrowOnFailureConstant(): bool
+	{
+		return $this->versionId >= 80500;
+	}
+
 }

src/Rules/Functions/FilterVarRule.php

@@ -46,7 +46,7 @@ public function processNode(Node $node, Scope $scope): array
 
 		$args = $node->getArgs();
 
-		if ($this->phpVersion->getVersionId() >= 80500 && $this->reflectionProvider->hasConstant(new Name\FullyQualified('FILTER_THROW_ON_FAILURE'), null)) {
+		if ($this->phpVersion->hasFilterThrowOnFailureConstant() && $this->reflectionProvider->hasConstant(new Name\FullyQualified('FILTER_THROW_ON_FAILURE'), null)) {
 			if (count($args) < 3) {
 				return [];
 			}

src/Type/Php/FilterFunctionReturnTypeHelper.php

@@ -151,7 +151,7 @@ public function getType(Type $inputType, ?Type $filterType, ?Type $flagsType): T
 
 		$inputIsArray = $inputType->isArray();
 		$hasRequireArrayFlag = $this->hasFlag('FILTER_REQUIRE_ARRAY', $flagsType);
-		$hasThrowOnFailureFlag = $this->phpVersion->getVersionId() >= 80500
+		$hasThrowOnFailureFlag = $this->phpVersion->hasFilterThrowOnFailureConstant()
 			? $this->hasFlag('FILTER_THROW_ON_FAILURE', $flagsType)
 			: TrinaryLogic::createNo();
 		if ($inputIsArray->no() && $hasRequireArrayFlag->yes()) {

src/Type/Php/FilterVarThrowTypeExtension.php

@@ -31,7 +31,7 @@ public function isFunctionSupported(
 	): bool
 	{
 		return $functionReflection->getName() === 'filter_var'
-			&& $this->phpVersion->getVersionId() >= 80500
+			&& $this->phpVersion->hasFilterThrowOnFailureConstant()
 			&& $this->reflectionProvider->hasConstant(new Name\FullyQualified('FILTER_THROW_ON_FAILURE'), null);
 	}