ExportToReflectionFunctionRector.php

<?php

declare(strict_types=1);

namespace Rector\Php74\Rector\StaticCall;

use PhpParser\Node;
use PhpParser\Node\Arg;
use PhpParser\Node\Expr\Cast\String_;
use PhpParser\Node\Expr\New_;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Name;
use PHPStan\Type\ObjectType;
use Rector\PhpParser\Node\Value\ValueResolver;
use Rector\Rector\AbstractRector;
use Rector\ValueObject\PhpVersionFeature;
use Rector\VersionBonding\Contract\MinPhpVersionInterface;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;

/**
 * @see \Rector\Tests\Php74\Rector\StaticCall\ExportToReflectionFunctionRector\ExportToReflectionFunctionRectorTest
 */
final class ExportToReflectionFunctionRector extends AbstractRector implements MinPhpVersionInterface
{
    public function __construct(
        private readonly ValueResolver $valueResolver
    ) {
    }

    public function provideMinPhpVersion(): int
    {
        return PhpVersionFeature::EXPORT_TO_REFLECTION_FUNCTION;
    }

    public function getRuleDefinition(): RuleDefinition
    {
        return new RuleDefinition(
            'Change export() to ReflectionFunction alternatives',
            [
                new CodeSample(
                    <<<'CODE_SAMPLE'
$reflectionFunction = ReflectionFunction::export('foo');
$reflectionFunctionAsString = ReflectionFunction::export('foo', true);
CODE_SAMPLE
                    ,
                    <<<'CODE_SAMPLE'
$reflectionFunction = new ReflectionFunction('foo');
$reflectionFunctionAsString = (string) new ReflectionFunction('foo');
CODE_SAMPLE
                ),
            ]
        );
    }

    /**
     * @return array<class-string<Node>>
     */
    public function getNodeTypes(): array
    {
        return [StaticCall::class];
    }

    /**
     * @param StaticCall $node
     */
    public function refactor(Node $node): ?Node
    {
        if (! $node->class instanceof Name) {
            return null;
        }

        if (! $this->isName($node->name, 'export')) {
            return null;
        }

        if ($node->isFirstClassCallable()) {
            return null;
        }

        $callerType = $this->nodeTypeResolver->getType($node->class);
        if (! $callerType->isSuperTypeOf(new ObjectType('ReflectionFunction'))->yes()) {
            return null;
        }

        $firstArg = $node->getArgs()[0] ?? null;
        if (! $firstArg instanceof Arg) {
            return null;
        }

        $new = new New_($node->class, [new Arg($firstArg->value)]);

        $secondArg = $node->getArgs()[1] ?? null;
        if (! $secondArg instanceof Arg) {
            return $new;
        }

        if ($this->valueResolver->isTrue($secondArg->value)) {
            return new String_($new);
        }

        return $new;
    }
}