{$method}( ...$args ); } public static function getInstance(): Notice { $cls = static::class; if ( ! isset( self::$instances[ $cls ] ) ) { self::$instances[ $cls ] = new static(); } return self::$instances[ $cls ]; } public function __wakeup() { throw new Exception( "Cannot unserialize a singleton." ); } protected function __clone() { } private function init() { foreach ( [ self::ERROR, self::SUCCESS, self::WARNING, self::INFO, ] as $level ) { $messages = get_transient( "aether_notice_{$level}" ); if ( $messages && is_array( $messages ) ) { foreach ( $messages as $message ) { echo sprintf( '

', $level, $message ); } delete_transient( "aether_notice_{$level}" ); } } } private function adds( $level, $messages, $module_name = false ) { if ( ! is_array( $messages ) ) { $messages = [ $messages ]; } foreach ( $messages as $message ) { $this->add( $level, ( $module_name ? "{$module_name}: " : '' ) . $message ); } } private function add( $level, $message, $code = 0, $duration = 60 ) { $messages = get_transient( "aether_notice_{$level}" ); if ( $messages && is_array( $messages ) ) { if ( ! in_array( $message, $messages ) ) { $messages[] = $message; } } else { $messages = [ $message ]; } set_transient( "aether_notice_{$level}", $messages, $duration ); } private function success( $messages, $module_name = false ) { $this->adds( self::SUCCESS, $messages, $module_name ); } private function warning( $messages, $module_name = false ) { $this->adds( self::WARNING, $messages, $module_name ); } private function info( $messages, $module_name = false ) { $this->adds( self::INFO, $messages, $module_name ); } private function error( $messages, $module_name = false ) { $this->adds( self::ERROR, $messages, $module_name ); } }