在 Joomla 中连接第三方 PHP 库

<?xml version="1.0" encoding="UTF-8" ?>
<extension type="library" method="upgrade">
     <name>WebTolk AmoCRM library</name>
     <libraryname>Webtolk/Amocrm</libraryname>
     <version>1.2.1</version>
     ...
     <namespace path="src">Webtolk\Amocrm</namespace>
     <files>
          <folder>src</folder>
          <filename>amocrm.xml</filename>
     </files>
</extension>

<?php
use Joomla\CMS\Helper\LibraryHelper;
use Joomla\CMS\Cache\Cache;

/**
 * Function called before extension installation/update/removal procedure commences.
 *
 * @param   string            $type     The type of change (install or discover_install, update, uninstall)
 * @param   InstallerAdapter  $adapter  The adapter calling this method
 *
 * @return  boolean  True on success
 *
 * @since   1.0.0
 */
public function preflight(string $type, InstallerAdapter $adapter): bool
{
    if ($type == 'uninstall')
    {
        return true;
    }

    /**
     *
     *  Joomla when updating extensions of the library type, it actually deletes them (along with the data in the database),
     *  and then installs it again.
     *  In order to avoid losing library data from the database, we are writing this crutch.
     *
     * @see https://github.com/joomla/joomla-cms/issues/39360
     *
     */

    if ($type == 'update')
    {
        $lib_params = LibraryHelper::getParams('Webtolk/Amocrm');
        $jconfig    = $this->app->getConfig();
        $options    = array(
            'defaultgroup' => 'wt_amo_crm_temp',
            'caching'      => true,
            'cachebase'    => $jconfig->get('cache_path'),
            'storage'      => $jconfig->get('cache_handler'),
        );
        $cache      = Cache::getInstance('', $options);
        $cache->store($lib_params, 'wt_amo_crm_temp');

    }

    return true;

}

<?php
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\Registry\Registry;

if (PluginHelper::isEnabled('system', 'wt_amocrm'))
   {
      $plugin        = PluginHelper::getPlugin('system', 'wt_amocrm');
      $params        = \json_decode($plugin->params);
      $param = $params->param;
      // OR you can use Joomla\Registry\Registry
      $params = new Registry($plugin->params);
      $param = $params->get('param', 'defatul value if empty');
   }