closureArrowFunctionAnalyzer = $closureArrowFunctionAnalyzer;
}
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Refactor call_user_func() with arrow function to direct call', [new CodeSample(<<<'CODE_SAMPLE'
final class SomeClass
{
public function run()
{
$result = \call_user_func(fn () => 100);
}
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
final class SomeClass
{
public function run()
{
$result = 100;
}
}
CODE_SAMPLE
)]);
}
/**
* @return array>
*/
public function getNodeTypes() : array
{
return [FuncCall::class];
}
/**
* @param FuncCall $node
*/
public function refactor(Node $node) : ?Node
{
if ($node->isFirstClassCallable()) {
return null;
}
if (!$this->isName($node, 'call_user_func')) {
return null;
}
if (\count($node->args) !== 1) {
return null;
}
// change the node
if (!isset($node->getArgs()[0])) {
return null;
}
$firstArg = $node->args[0];
if (!$firstArg instanceof Arg) {
return null;
}
$firstArgValue = $firstArg->value;
if ($firstArgValue instanceof ArrowFunction) {
return $firstArgValue->expr;
}
if ($firstArgValue instanceof Closure) {
return $this->closureArrowFunctionAnalyzer->matchArrowFunctionExpr($firstArgValue);
}
return null;
}
}