| public check ( PHPStan\Reflection\ParametersAcceptor $function, PhpParser\Node\Expr\FuncCall | PhpParser\Node\Expr\MethodCall | PhpParser\Node\Expr\StaticCall $funcCall, array $messages ) : array | ||
| $function | PHPStan\Reflection\ParametersAcceptor | |
| $funcCall | PhpParser\Node\Expr\FuncCall | PhpParser\Node\Expr\MethodCall | PhpParser\Node\Expr\StaticCall | |
| $messages | array | Six message templates |
| return | array | |
public function check(ParametersAcceptor $function, $funcCall, array $messages) : array
{
if ($function instanceof FunctionReflection && $function->getName() === 'implode') {
$functionParametersMinCount = 1;
$functionParametersMaxCount = 2;
} else {
$functionParametersMinCount = 0;
$functionParametersMaxCount = 0;
foreach ($function->getParameters() as $parameter) {
if (!$parameter->isOptional()) {
$functionParametersMinCount++;
}
$functionParametersMaxCount++;
}
if ($function->isVariadic()) {
$functionParametersMaxCount = -1;
}
}
$invokedParametersCount = count($funcCall->args);
foreach ($funcCall->args as $arg) {
if ($arg->unpack) {
$invokedParametersCount = max($functionParametersMinCount, $functionParametersMaxCount);
break;
}
}
if ($invokedParametersCount < $functionParametersMinCount || $invokedParametersCount > $functionParametersMaxCount) {
if ($functionParametersMinCount === $functionParametersMaxCount) {
return [sprintf($invokedParametersCount === 1 ? $messages[0] : $messages[1], $invokedParametersCount, $functionParametersMinCount)];
} elseif ($functionParametersMaxCount === -1 && $invokedParametersCount < $functionParametersMinCount) {
return [sprintf($invokedParametersCount === 1 ? $messages[2] : $messages[3], $invokedParametersCount, $functionParametersMinCount)];
} elseif ($functionParametersMaxCount !== -1) {
return [sprintf($invokedParametersCount === 1 ? $messages[4] : $messages[5], $invokedParametersCount, $functionParametersMinCount, $functionParametersMaxCount)];
}
}
return [];
} /**
* @param \PhpParser\Node\Expr\New_ $node
* @param \PHPStan\Analyser\Scope $scope
* @return string[]
*/
public function processNode(Node $node, Scope $scope) : array
{
if (!$node->class instanceof \PhpParser\Node\Name) {
return [];
}
$class = (string) $node->class;
if ($class === 'static') {
return [];
}
if ($class === 'self') {
$class = $scope->getClass();
if ($class === null) {
return [];
}
}
if (!$this->broker->hasClass($class)) {
return [sprintf('Instantiated class %s not found.', $class)];
}
$classReflection = $this->broker->getClass($class);
if ($classReflection->isInterface()) {
return [sprintf('Cannot instantiate interface %s.', $classReflection->getName())];
}
if ($classReflection->isAbstract()) {
return [sprintf('Instantiated class %s is abstract.', $classReflection->getName())];
}
if (!$classReflection->hasMethod('__construct') && !$classReflection->hasMethod($class)) {
if (count($node->args) > 0) {
return [sprintf('Class %s does not have a constructor and must be instantiated without any parameters.', $classReflection->getName())];
}
return [];
}
return $this->check->check($classReflection->hasMethod('__construct') ? $classReflection->getMethod('__construct') : $classReflection->getMethod($class), $node, ['Class ' . $classReflection->getName() . ' constructor invoked with %d parameter, %d required.', 'Class ' . $classReflection->getName() . ' constructor invoked with %d parameters, %d required.', 'Class ' . $classReflection->getName() . ' constructor invoked with %d parameter, at least %d required.', 'Class ' . $classReflection->getName() . ' constructor invoked with %d parameters, at least %d required.', 'Class ' . $classReflection->getName() . ' constructor invoked with %d parameter, %d-%d required.', 'Class ' . $classReflection->getName() . ' constructor invoked with %d parameters, %d-%d required.']);
}
