Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
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defined( 'ABSPATH' ) || exit;

add_filter( 'do_rocket_generate_caching_files', '__return_false', PHP_INT_MAX );
add_filter( 'rocket_display_varnish_options_tab', '__return_false' );
// Prevent mandatory cookies on hosting with server cache.
add_filter( 'rocket_cache_mandatory_cookies', '__return_empty_array', PHP_INT_MAX );

global $kinsta_cache;

if ( isset( $kinsta_cache ) && class_exists( '\\Kinsta\\CDN_Enabler' ) ) {
	/**
	 * Clear Kinsta cache when clearing WP Rocket cache
	 *
	 * @since 3.0
	 * @author Remy Perona
	 *
	 * @return void
	 */
	function rocket_clean_kinsta_cache() {
		global $kinsta_cache;

		if ( ! empty( $kinsta_cache->kinsta_cache_purge ) ) {
			$kinsta_cache->kinsta_cache_purge->purge_complete_caches();
		}
	}
	add_action( 'after_rocket_clean_domain', 'rocket_clean_kinsta_cache' );

	/**
	 * Partially clear Kinsta cache when partially clearing WP Rocket cache
	 *
	 * @since 3.0
	 * @author Remy Perona
	 *
	 * @param object $post Post object.
	 * @return void
	 */
	function rocket_clean_kinsta_post_cache( $post ) {
		global $kinsta_cache;
		$kinsta_cache->kinsta_cache_purge->initiate_purge( $post->ID, 'post' );
	}
	add_action( 'after_rocket_clean_post', 'rocket_clean_kinsta_post_cache' );

	/**
	 * Clears Kinsta cache for the homepage URL when using "Purge this URL" from the admin bar on the front end
	 *
	 * @since 3.0.4
	 * @author Remy Perona
	 *
	 * @param string $root WP Rocket root cache path.
	 * @param string $lang Current language.
	 * @return void
	 */
	function rocket_clean_kinsta_cache_home( $root = '', $lang = '' ) {
		$url = get_rocket_i18n_home_url( $lang );
		$url = trailingslashit( $url ) . 'kinsta-clear-cache/';

		wp_remote_get(
			$url,
			[
				'blocking' => false,
				'timeout'  => 0.01,
			]
		);
	}
	add_action( 'after_rocket_clean_home', 'rocket_clean_kinsta_cache_home', 10, 2 );

	/**
	 * Clears Kinsta cache for a specific URL when using "Purge this URL" from the admin bar on the front end
	 *
	 * @since 3.0.4
	 * @author Remy Perona
	 *
	 * @param string $url URL to purge.
	 * @return void
	 */
	function rocket_clean_kinsta_cache_url( $url ) {
		$url = trailingslashit( $url ) . 'kinsta-clear-cache/';

		wp_remote_get(
			$url,
			[
				'blocking' => false,
				'timeout'  => 0.01,
			]
		);
	}
	add_action( 'after_rocket_clean_file', 'rocket_clean_kinsta_cache_url' );

	/**
	 * Remove WP Rocket functions on WP core action hooks to prevent triggering a double cache clear.
	 *
	 * @since 3.0
	 * @author Remy Perona
	 *
	 * @return void
	 */
	function rocket_remove_partial_purge_hooks() {
		// WP core action hooks rocket_clean_post() gets hooked into.
		$clean_post_hooks = [
			// Disables the refreshing of partial cache when content is edited.
			'wp_trash_post',
			'delete_post',
			'clean_post_cache',
			'wp_update_comment_count',
		];

		// Remove rocket_clean_post() from core action hooks.
		array_map(
			function( $hook ) {
				remove_action( $hook, 'rocket_clean_post' );
			},
			$clean_post_hooks
		);

		remove_filter( 'rocket_clean_files', 'rocket_clean_files_users' );
	}
	add_action( 'wp_rocket_loaded', 'rocket_remove_partial_purge_hooks' );

	if ( \Kinsta\CDN_Enabler::cdn_is_enabled() ) {
		/**
		 * Add Kinsta CDN to WP Rocket CDN hosts list if enabled
		 *
		 * @since 3.0
		 * @author Remy Perona
		 *
		 * @param Array $hosts Array of CDN hosts.
		 * @return Array Updated array of CDN hosts
		 */
		function rocket_add_kinsta_cdn_cname( $hosts ) {
			if ( ! isset( $_SERVER['KINSTA_CDN_DOMAIN'] ) ) {
				return $hosts;
			}

			$hosts[] = sanitize_text_field( wp_unslash( $_SERVER['KINSTA_CDN_DOMAIN'] ) );

			return $hosts;
		}
		add_filter( 'rocket_cdn_cnames', 'rocket_add_kinsta_cdn_cname', 1 );
	}
} else {
	add_action(
		'admin_notices',
		function() {
			if ( ! current_user_can( 'manage_options' ) ) {
				return;
			}

			$screen = get_current_screen();

			if ( 'settings_page_wprocket' !== $screen->id 