propertytype.php

См. документацию.

<?php
 
 
namespace Bitrix\Calendar\ICal\Basic;
 
 
abstract class PropertyType
{
    protected $names;
    protected $parameters = [];
 
    abstract public function getValue(): string;
 
    abstract public function getOriginalValue();
 
    public function __construct($names)
    {
        $this->names = is_string($names)
            ? [$names]
            : $names;
    }
 
    public function getNames(): array
    {
        return $this->names;
    }
 
    public function getParameters(): array
    {
        return $this->parameters;
    }
 
    public function getParameter(string $name): Parameter
    {
        $parameters = array_values(array_filter(
            $this->parameters,
            function (Parameter $property) use ($name) {
                return $property->getName() === $name;
            }
        ));
 
        return $parameters[0];
    }
 
    public function addParameters(array $parameters): PropertyType
    {
        foreach ($parameters as $parameter) {
            $this->addParameter($parameter);
        }
 
        return $this;
    }
 
    public function addParameter(Parameter $parameter): PropertyType
    {
        $this->parameters[] = $parameter;
 
        return $this;
    }
}