rector/rules/CodeQuality/Rector/FuncCall/SimplifyFuncGetArgsCountRec...

50 lines
1.5 KiB
PHP

<?php
declare (strict_types=1);
namespace Rector\CodeQuality\Rector\FuncCall;
use PhpParser\Node;
use PhpParser\Node\Expr\FuncCall;
use Rector\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
* @see \Rector\Tests\CodeQuality\Rector\FuncCall\SimplifyFuncGetArgsCountRector\SimplifyFuncGetArgsCountRectorTest
*/
final class SimplifyFuncGetArgsCountRector extends AbstractRector
{
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Simplify count of func_get_args() to func_num_args()', [new CodeSample('count(func_get_args());', 'func_num_args();')]);
}
/**
* @return array<class-string<Node>>
*/
public function getNodeTypes() : array
{
return [FuncCall::class];
}
/**
* @param FuncCall $node
*/
public function refactor(Node $node) : ?Node
{
if (!$this->isName($node, 'count')) {
return null;
}
if ($node->isFirstClassCallable()) {
return null;
}
$firstArg = $node->getArgs()[0];
if (!$firstArg->value instanceof FuncCall) {
return null;
}
/** @var FuncCall $innerFuncCall */
$innerFuncCall = $firstArg->value;
if (!$this->isName($innerFuncCall, 'func_get_args')) {
return null;
}
return $this->nodeFactory->createFuncCall('func_num_args');
}
}