| public isOptional ( ) : boolean | ||
| return | boolean | True if this is an optional parameter |
/**
* @param Method $method
* Get a list of methods hydrated with type information
* for the given partial method
*
* @param CodeBase $code_base
* The global code base holding all state
*
* @return Method[]
* A list of typed methods based on the given method
*/
private static function methodListFromMethod(Method $method, CodeBase $code_base) : array
{
// See if we have any type information for this
// internal function
$map_list = UnionType::internalFunctionSignatureMapForFQSEN($method->getFQSEN());
if (!$map_list) {
return [$method];
}
$alternate_id = 0;
return array_map(function ($map) use($method, &$alternate_id) : Method {
$alternate_method = clone $method;
$alternate_method->setFQSEN($alternate_method->getFQSEN()->withAlternateId($alternate_id++));
// Set the return type if one is defined
if (!empty($map['return_type'])) {
$alternate_method->setUnionType($map['return_type']);
}
// Load properties if defined
foreach ($map['property_name_type_map'] ?? [] as $parameter_name => $parameter_type) {
$flags = 0;
$is_optional = false;
// Check to see if its a pass-by-reference parameter
if (strpos($parameter_name, '&') === 0) {
$flags |= \ast\flags\PARAM_REF;
$parameter_name = substr($parameter_name, 1);
}
// Check to see if its variadic
if (strpos($parameter_name, '...') !== false) {
$flags |= \ast\flags\PARAM_VARIADIC;
$parameter_name = str_replace('...', '', $parameter_name);
}
// Check to see if its an optional parameter
if (strpos($parameter_name, '=') !== false) {
$is_optional = true;
$parameter_name = str_replace('=', '', $parameter_name);
}
$parameter = new Parameter($method->getContext(), $parameter_name, $parameter_type, $flags);
if ($is_optional) {
$parameter->setDefaultValueType(NullType::instance()->asUnionType());
}
// Add the parameter
$alternate_method->parameter_list[] = $parameter;
}
$alternate_method->setNumberOfRequiredParameters(array_reduce($alternate_method->parameter_list, function (int $carry, Parameter $parameter) : int {
return $carry + ($parameter->isOptional() ? 0 : 1);
}, 0));
$alternate_method->setNumberOfOptionalParameters(count($alternate_method->parameter_list) - $alternate_method->getNumberOfRequiredParameters());
return $alternate_method;
}, $map_list);
}
