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<?php declare(strict_types=1); namespace WP_Rocket\Engine\Optimization\Buffer; use WP_Rocket\Event_Management\Subscriber_Interface; /** * Event subscriber to buffer and process a page content. * * @since 3.3 */ class Subscriber implements Subscriber_Interface { /** * Optimization instance * * @var Optimization */ private $optimizer; /** * Constructor * * @param Optimization $optimizer Optimization instance. */ public function __construct( Optimization $optimizer ) { $this->optimizer = $optimizer; } /** * {@inheritdoc} */ public static function get_subscribed_events() { return [ 'template_redirect' => [ 'start_content_process', 2 ], ]; } /** * Start buffering the page content and apply optimizations if we can. * * @since 3.3 */ public function start_content_process() { return $this->optimizer->maybe_init_process(); } }