rector/rules/CodeQuality/Rector/FuncCall/IntvalToTypeCastRector.php

<?php

declare (strict_types=1);
namespace Rector\CodeQuality\Rector\FuncCall;

use PhpParser\Node;
use PhpParser\Node\Expr\Cast\Int_;
use PhpParser\Node\Expr\FuncCall;
use Rector\Core\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
 * @changelog https://tonyshowoff.com/articles/casting-int-faster-than-intval-in-php/
 *
 * @see \Rector\Tests\CodeQuality\Rector\FuncCall\IntvalToTypeCastRector\IntvalToTypeCastRectorTest
 */
final class IntvalToTypeCastRector extends \Rector\Core\Rector\AbstractRector
{
    public function getRuleDefinition() : \Symplify\RuleDocGenerator\ValueObject\RuleDefinition
    {
        return new \Symplify\RuleDocGenerator\ValueObject\RuleDefinition('Change intval() to faster and readable (int) $value', [new \Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample(<<<'CODE_SAMPLE'
class SomeClass
{
    public function run($value)
    {
        return intval($value);
    }
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
class SomeClass
{
    public function run($value)
    {
        return (int) $value;
    }
}
CODE_SAMPLE
)]);
    }
    /**
     * @return array<class-string<Node>>
     */
    public function getNodeTypes() : array
    {
        return [\PhpParser\Node\Expr\FuncCall::class];
    }
    /**
     * @param FuncCall $node
     */
    public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
    {
        if (!$this->isName($node, 'intval')) {
            return null;
        }
        if (isset($node->args[1])) {
            $secondArgumentValue = $this->valueResolver->getValue($node->args[1]->value);
            // default value
            if ($secondArgumentValue !== 10) {
                return null;
            }
        }
        return new \PhpParser\Node\Expr\Cast\Int_($node->args[0]->value);
    }
}