parameterdictionary.php

См. документацию.

<?php
 
namespace Bitrix\Main\Type;
 
use Bitrix\Main\NotSupportedException;
 
class ParameterDictionary extends Dictionary
{
    protected $rawValues = null;
 
    protected function setValuesNoDemand(array $values)
    {
        if ($this->rawValues === null)
        {
            $this->rawValues = $this->values;
        }
        $this->values = $values;
    }

    public function getRaw($name)
    {
        if ($this->rawValues === null)
        {
            if (isset($this->values[$name]) || array_key_exists($name, $this->values))
            {
                return $this->values[$name];
            }
        }
        else
        {
            if (isset($this->rawValues[$name]) || array_key_exists($name, $this->rawValues))
            {
                return $this->rawValues[$name];
            }
        }
 
        return null;
    }
 
    public function toArrayRaw()
    {
        return $this->rawValues;
    }

    public function offsetSet($offset, $value)
    {
        throw new NotSupportedException("Can not set readonly values.");
    }

    public function offsetUnset($offset): void
    {
        throw new NotSupportedException("Can not unset readonly values.");
    }
 
    public function setValues($values)
    {
        throw new NotSupportedException("Can not set readonly values.");
    }
}