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<?php
declare(strict_types=1);
namespace Roave\BackwardCompatibility\DetectChanges\BCBreak\ClassConstantBased;
use Roave\BackwardCompatibility\Change;
use Roave\BackwardCompatibility\Changes;
use Roave\BetterReflection\Reflection\ReflectionClassConstant;
use function sprintf;
final class ClassConstantVisibilityReduced implements ClassConstantBased
{
private const VISIBILITY_PRIVATE = 'private';
private const VISIBILITY_PROTECTED = 'protected';
private const VISIBILITY_PUBLIC = 'public';
public function __invoke(ReflectionClassConstant $fromConstant, ReflectionClassConstant $toConstant) : Changes
$visibilityFrom = $this->propertyVisibility($fromConstant);
$visibilityTo = $this->propertyVisibility($toConstant);
// Works because private, protected and public are sortable:
if ($visibilityFrom <= $visibilityTo) {
return Changes::empty();
}
return Changes::fromList(Change::changed(
sprintf(
'Constant %s::%s visibility reduced from %s to %s',
$fromConstant->getDeclaringClass()->getName(),
$fromConstant->getName(),
$visibilityFrom,
$visibilityTo
),
true
));
private function propertyVisibility(ReflectionClassConstant $property) : string
if ($property->isPublic()) {
return self::VISIBILITY_PUBLIC;
if ($property->isProtected()) {
return self::VISIBILITY_PROTECTED;
return self::VISIBILITY_PRIVATE;
Roave /
BackwardCompatibilityCheck
