=' ) ) { return true; } register_activation_hook( NOTIFYPRESS_PLUGIN_FILE, array( self::class, 'activation_error' ) ); add_action( 'admin_notices', array( self::class, 'admin_notice' ) ); return false; } /** * Show an admin notice when the site's PHP version is below the minimum. * * @return void */ public static function admin_notice(): void { printf( '

', esc_html( sprintf( 'NotifyPress requires PHP %1$s or higher. Your site is running PHP %2$s.', NOTIFYPRESS_MINIMUM_PHP_VERSION, PHP_VERSION ) ) ); } /** * Deactivate the plugin and halt activation when the PHP version is too low. * * @return void */ public static function activation_error(): void { if ( function_exists( 'deactivate_plugins' ) ) { deactivate_plugins( plugin_basename( NOTIFYPRESS_PLUGIN_FILE ) ); } wp_die( esc_html( sprintf( 'NotifyPress requires PHP %1$s or higher. Your site is running PHP %2$s.', NOTIFYPRESS_MINIMUM_PHP_VERSION, PHP_VERSION ) ), esc_html__( 'NotifyPress activation failed', 'notifypress' ), array( 'back_link' => true ) ); } }