/**
* @param \PHPStan\Reflection\ParametersAcceptor $function
* @param \PhpParser\Node\Expr\FuncCall|\PhpParser\Node\Expr\MethodCall|\PhpParser\Node\Expr\StaticCall $funcCall
* @param string[] $messages Six message templates
* @return string[]
*/
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 [];
}
/**
* @return null|string
*/
public function getFunctionName()
{
return $this->function !== null ? $this->function->getName() : null;
}