Advanced Gutenberg needs at least PHP 5.6.20 version, please update php before installing the plugin.

'; } } //Add actions add_action('admin_init', 'advgb_disable_plugin'); add_action('admin_notices', 'advgb_show_error'); //Do not load anything more return; } if (! defined('ADVANCED_GUTENBERG_VERSION')) { define('ADVANCED_GUTENBERG_VERSION', '2.2.1'); } if (! defined('ADVANCED_GUTENBERG_PLUGIN')) { define('ADVANCED_GUTENBERG_PLUGIN', __FILE__); } if (!defined('GUTENBERG_VERSION_REQUIRED')) { define('GUTENBERG_VERSION_REQUIRED', '5.7.0'); } require_once(plugin_dir_path(__FILE__) . '/install.php'); require_once(plugin_dir_path(__FILE__) . '/incl/advanced-gutenberg-main.php'); new AdvancedGutenbergMain(); // Load jutranslation helper include_once('jutranslation' . DIRECTORY_SEPARATOR . 'jutranslation.php'); call_user_func( '\Joomunited\ADVGB\Jutranslation\Jutranslation::init', __FILE__, 'advanced-gutenberg', 'Advanced Gutenberg', 'advanced-gutenberg', 'languages' . DIRECTORY_SEPARATOR . 'advanced-gutenberg-en_US.mo' ); // Include jufeedback helpers require_once('jufeedback'. DIRECTORY_SEPARATOR . 'jufeedback.php'); call_user_func( '\Joomunited\ADVGB\Jufeedback\Jufeedback::init', __FILE__, 'advgb', 'advanced-gutenberg', 'Advanced Gutenberg', 'advanced-gutenberg' );