classconstant.php

См. документацию.

<?php
namespace Bitrix\Sender\Internals;
 
use Bitrix\Main\Localization\Loc;
use Bitrix\Sender\Integration;
 
Loc::loadMessages(__FILE__);

class ClassConstant
{
    public static function getName($id)
    {
        static $integration = [];
        $integration[static::class] ??= null;
 
        if ($integration[static::class] === null)
        {
            $integration[static::class] = Integration\EventHandler::onConstantList(get_called_class());
        }
 
        foreach ($integration[static::class] as $item)
        {
            if ($item['id'] === $id)
            {
                return $item['name'];
            }
        }
 
        return static::getCode($id);
    }

    protected static function getConstants()
    {
        static $constants = [];
        $constants[static::class] ??= null;
 
        if ($constants[static::class] === null)
        {
            $class = new \ReflectionClass(get_called_class());
            $list = $class->getConstants();
 
            $integration = Integration\EventHandler::onConstantList(get_called_class());
            foreach ($integration as $item)
            {
                $list[$item['code']] = $item['id'];
            }
 
            $constants[static::class] = $list;
        }
 
        return $constants[static::class];
    }

    public static function getList()
    {
        $result = array();
        $constants = static::getConstants();
        foreach ($constants as $code => $id)
        {
            $result[] = $id;
        }
        return $result;
    }

    public static function getCodes()
    {
        $result = array();
        $constants = static::getConstants();
        foreach ($constants as $code => $id)
        {
            $result[] = $code;
        }
        return $result;
    }

    public static function getNamedList()
    {
        $result = array();
        $constants = static::getConstants();
        foreach ($constants as $code => $id)
        {
            $result[$id] = static::getName($id);
        }
        return $result;
    }

    public static function getNamedCodes()
    {
        $result = array();
        $constants = static::getConstants();
        foreach ($constants as $code => $id)
        {
            $result[$code] = static::getName($id);
        }
        return $result;
    }

    public static function getId($code)
    {
        $constants = static::getConstants();
        return isset($constants[$code]) ? $constants[$code] : null;
    }

    public static function getCode($id)
    {
        $constants = static::getConstants();
        foreach ($constants as $constantCode => $constantId)
        {
            if ($constantId != $id)
            {
                continue;
            }
 
            return $constantCode;
        }
 
        return null;
    }
}