type = $type; $this->isReference = $isReference; $this->isVariadic = $isVariadic; $this->parameterName = $parameterName; $this->isOptional = $isOptional; } public function __toString(): string { $type = "{$this->type} "; $isReference = $this->isReference ? '&' : ''; $isVariadic = $this->isVariadic ? '...' : ''; $isOptional = $this->isOptional ? '=' : ''; return trim("{$type}{$isReference}{$isVariadic}{$this->parameterName}") . $isOptional; } }