WP Table Manager need at least PHP 5.3 version, please update php before installing the plugin.

'; } } //Add actions add_action( 'admin_init', 'wptm_disable_plugin' ); add_action( 'admin_notices', 'wptm_show_error' ); //Do not load anything more return; } use Joomunited\WPFramework\v1_0_4\Application; include_once(plugin_dir_path(WPFDL_PLUGIN_FILE) . DIRECTORY_SEPARATOR . 'framework' . DIRECTORY_SEPARATOR . 'ju-libraries.php'); // Prohibit direct script loading defined( 'ABSPATH' ) || die( 'No direct script access allowed!' ); if (!defined('WPTML_PLUGIN_FILE')) { define('WPTML_PLUGIN_FILE', __FILE__); } if (!defined('WPTML_PLUGIN_DIR')) { define('WPTML_PLUGIN_DIR', plugin_dir_path(__FILE__)); } define( 'WP_TABLE_MANAGER_LIGHT_PLUGIN_URL', plugin_dir_url( __FILE__ ) ); if ( ! defined( 'WPTML_VERSION' ) ) { define( 'WPTML_VERSION', '1.3.3' ); } include_once('app'.DIRECTORY_SEPARATOR.'install.php'); include_once('app'.DIRECTORY_SEPARATOR.'autoload.php'); //Initialise the application $app = Application::getInstance('wptm',__FILE__); $app->init(); if(is_admin()) { add_filter('mce_external_plugins', 'wptm_mce_external_plugins2' ); if (!function_exists('wptm_mce_external_plugins2')) { function wptm_mce_external_plugins2($plugins) { $plugins['wpedittable'] = WP_TABLE_MANAGER_LIGHT_PLUGIN_URL . '/app/admin/assets/plugins/wpedittable/plugin.js'; return $plugins; } } //config section if(!defined('JU_BASE')){ define( 'JU_BASE', 'https://www.joomunited.com/' ); } }