/**
* A list of types for parameters associated with the
* given builtin function with the given name
*
* @param FullyQualifiedMethodName|FullyQualifiedFunctionName $function_fqsen
*
* @see internal_varargs_check
* Formerly `function internal_varargs_check`
*/
public static function internalFunctionSignatureMapForFQSEN($function_fqsen) : array
{
$context = new Context();
$map = self::internalFunctionSignatureMap();
if ($function_fqsen instanceof FullyQualifiedMethodName) {
$class_fqsen = $function_fqsen->getFullyQualifiedClassName();
$class_name = $class_fqsen->getName();
$function_name = $class_name . '::' . $function_fqsen->getName();
} else {
$function_name = $function_fqsen->getName();
}
$function_name_original = $function_name;
$alternate_id = 0;
$configurations = [];
while (isset($map[$function_name])) {
// Get some static data about the function
$type_name_struct = $map[$function_name];
if (empty($type_name_struct)) {
continue;
}
// Figure out the return type
$return_type_name = array_shift($type_name_struct);
$return_type = $return_type_name ? UnionType::fromStringInContext($return_type_name, $context) : null;
$name_type_name_map = $type_name_struct;
$property_name_type_map = [];
foreach ($name_type_name_map as $name => $type_name) {
$property_name_type_map[$name] = empty($type_name) ? new UnionType() : UnionType::fromStringInContext($type_name, $context);
}
$configurations[] = ['return_type' => $return_type, 'property_name_type_map' => $property_name_type_map];
$function_name = $function_name_original . '\'' . ++$alternate_id;
}
return $configurations;
}
