ess plus 4 months"
	ExpiresByType video/webm                    "access plus 4 months"
	ExpiresByType image/avif                    "access plus 4 months"
	ExpiresByType image/avif-sequence           "access plus 4 months"
	# HTC files  (css3pie)
	ExpiresByType text/x-component              "access plus 1 month"
	# Webfonts
	ExpiresByType font/ttf                      "access plus 4 months"
	ExpiresByType font/otf                      "access plus 4 months"
	ExpiresByType font/woff                     "access plus 4 months"
	ExpiresByType font/woff2                    "access plus 4 months"
	ExpiresByType image/svg+xml                 "access plus 4 months"
	ExpiresByType application/vnd.ms-fontobject "access plus 1 month"
	# CSS and JavaScript
	ExpiresByType text/css                      "access plus 1 year"
	ExpiresByType application/javascript        "access plus 1 year"
</IfModule>

HTACCESS;

	/**
	 * Filter rules to improve performances with Expires Headers
	 *
	 * @since 1.0
	 *
	 * @param string $rules Rules that will be printed.
	 */
	$rules = apply_filters( 'rocket_htaccess_mod_expires', $rules );

	return $rules;
}

/**
 * Rules for default charset on static files
 *
 * @since 1.0
 *
 * @return string $rules Rules that will be printed
 */
function get_rocket_htaccess_charset() { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
	// Get charset of the blog.
	$charset = preg_replace( '/[^a-zA-Z0-9_\-\.:]+/', '', get_bloginfo( 'charset', 'display' ) );

	if ( empty( $charset ) ) {
		return '';
	}

	$rules = "# Use $charset encoding for anything served text/plain or text/html" . PHP_EOL;
	$rules .= "AddDefaultCharset $charset" . PHP_EOL;
	$rules .= "# Force $charset for a number of file formats" . PHP_EOL;
	$rules .= '<IfModule mod_mime.c>' . PHP_EOL;
		$rules .= "AddCharset $charset .atom .css .js .json .rss .vtt .xml" . PHP_EOL;
	$rules .= '</IfModule>' . PHP_EOL . PHP_EOL;

	/**
	 * Filter rules for default charset on static files
	 *
	 * @since 1.0
	 *
	 * @param string $rules Rules that will be printed.
	*/
	$rules = apply_filters( 'rocket_htaccess_charset', $rules );

	return $rules;
}

/**
 * Rules for cache control
 *
 * @since 1.1.6
 *
 * @return string $rules Rules that will be printed
 */
function get_rocket_htaccess_files_match() { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
	$rules = '<IfModule mod_alias.c>' . PHP_EOL;
		$rules .= '<FilesMatch "\.(html|htm|rtf|rtx|txt|xsd|xsl|xml)$">' . PHP_EOL;
			$rules .= '<IfModule mod_headers.c>' . PHP_EOL;
				 $rules .= 'Header set X-Powered-By "WP Rocket/' . WP_ROCKET_VERSION . '"' . PHP_EOL;
				 $rules .= 'Header unset Pragma' . PHP_EOL;
				 $rules .= 'Header append Cache-Control "public"' . PHP_EOL;
				 $rules .= 'Header unset Last-Modified' . PHP_EOL;
			$rules .= '</IfModule>' . PHP_EOL;
		$rules .= '</FilesMatch>' . PHP_EOL . PHP_EOL;
		$rules .= '<FilesMatch "\.(css|htc|js|asf|asx|wax|wmv|wmx|avi|bmp|class|divx|doc|docx|eot|exe|gif|gz|gzip|ico|jpg|jpeg|jpe|json|mdb|mid|midi|mov|qt|mp3|m4a|mp4|m4v|mpeg|mpg|mpe|mpp|otf|odb|odc|odf|odg|odp|ods|odt|ogg|pdf|png|pot|pps|ppt|pptx|ra|ram|svg|svgz|swf|tar|tif|tiff|ttf|ttc|wav|wma|wri|xla|xls|xlsx|xlt|xlw|zip)$">' . PHP_EOL;
			$rules .= '<IfModule mod_headers.c>' . PHP_EOL;
				$rules .= 'Header unset Pragma' . PHP_EOL;
				$rules .= 'Header append Cache-Control "public"' . PHP_EOL;
			$rules .= '</IfModule>' . PHP_EOL;
		$rules .= '</FilesMatch>' . PHP_EOL;
	$rules .= '</IfModule>' . PHP_EOL . PHP_EOL;

	/**
	 * Filter rules for cache control
	 *
	 * @since 1.1.6
	 *
	 * @param string $rules Rules that will be printed.
	*/
	$rules = apply_filters( 'rocket_htaccess_files_match', $rules );

	return $rules;
}

/**
 * Rules to remove the etag
 *
 * @since 1.0
 *
 * @return string $rules Rules that will be printed
 */
function get_rocket_htaccess_etag() { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
	$rules  = '# FileETag None is not enough for every server.' . PHP_EOL;
	$rules .= '<IfModule mod_headers.c>' . PHP_EOL;
	$rules .= 'Header unset ETag' . PHP_EOL;
	$rules .= '</IfModule>' . PHP_EOL . PHP_EOL;
	$rules .= '# Since we’re sending far-future expires, we don’t need ETags for static content.' . PHP_EOL;
	$rules .= '# developer.yahoo.com/performance/rules.html#etags' . PHP_EOL;
	$rules .= 'FileETag None' . PHP_EOL . PHP_EOL;

	/**
	 * Filter rules to remove the etag
	 *
	 * @since 1.0
	 *
	 * @param string $rules Rules that will be printed.
	*/
	$rules = apply_filters( 'rocket_htaccess_etag', $rules );

	return $rules;
}

/**
 * Rules to Cross-origin fonts sharing when CDN is used
 *
 * @since 2.4
 *
 * @return string $rules Rules that will be printed
 */
function get_rocket_htaccess_web_fonts_access() { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
	if ( ! get_rocket_option( 'cdn', false ) ) {
		return;
	}

	$rules  = '# Send CORS headers if browsers request them; enabled by default for images.' . PHP_EOL;
	$rules  .= '<IfModule mod_setenvif.c>' . PHP_EOL;
	  $rules  .= '<IfModule mod_headers.c>' . PHP_EOL;
		$rules  .= '# mod_headers, y u no match by Content-Type?!' . PHP_EOL;
		$rules  .= '<FilesMatch "\.(avifs?|cur|gif|png|jpe?g|svgz?|ico|webp)$">' . PHP_EOL;
		  $rules  .= 'SetEnvIf Origin ":" IS_CORS' . PHP_EOL;
		  $rules  .= 'Header set Access-Control-Allow-Origin "*" env=IS_CORS' . PHP_EOL;
		$rules  .= '</FilesMatch>' . PHP_EOL;
	  $rules  .= '</IfModule>' . PHP_EOL;
	$rules  .= '</IfModule>' . PHP_EOL . PHP_EOL;

	$rules  .= '# Allow access to web fonts from all domains.' . PHP_EOL;
	$rules  .= '<FilesMatch "\.(eot|otf|tt[cf]|woff2?)$">' . PHP_EOL;
		$rules .= '<IfModule mod_headers.c>' . PHP_EOL;
			$rules .= 'Header set Access-Control-Allow-Origin "*"' . PHP_EOL;
		$rules .= '</IfModule>' . PHP_EOL;
	$rules .= '</FilesMatch>' . PHP_EOL . PHP_EOL;
	// @codingStandardsIgnoreEnd
	/**
	 * Filter rules to Cross-origin fonts sharing
	 *
	 * @since 1.0
	 *
	 * @param string $rules Rules that will be printed.
	*/
	$rules = apply_filters( 'rocket_htaccess_web_fonts_access', $rules );

	return $rules;
}

/**
 * Tell if WP rewrite rules are present in a given string.
 *
 * @since  3.2.4
 * @author Grégory Viguier
 *
 * @param  string $content Htaccess content.
 * @return bool
 */
function rocket_has_wp_htaccess_rules( $content ) {
	if ( is_multisite() ) {
		$has_wp_rules = strpos( $content, '# add a trailing slash to /wp-admin' ) !== false;
	} else {
		$has_wp_rules = strpos( $content, '# BEGIN WordPress' ) !== false;
	}

	/**
	 * Tell if WP rewrite rules are present in a given string.
	 *
	 * @since  3.2.4
	 * @author Grégory Viguier
	 *
	 * @param bool   $has_wp_rules True when present. False otherwise.
	 * @param string $content      .htaccess content.
	 */
	return apply_filters( 'rocket_has_wp_htaccess_rules', $has_wp_rules, $content );
}

/**
 * Check if WP Rocket htaccess rules are already present in the file
 *
 * @since 3.3.5
 * @author Remy Perona
 *
 * @return bool
 */
function rocket_check_htaccess_rules() {
	if ( ! function_exists( 'get_home_path' ) ) {
		require_once ABSPATH . 'wp-admin/includes/file.php';
	}

	$htaccess_file = get_home_path() . '.htaccess';

	if ( ! rocket_direct_filesystem()->is_readable( $htaccess_file ) ) {
		return false;
	}

	$htaccess = rocket_direct_filesystem()->get_contents( $htaccess_file );

	if ( preg_match( '/\s*# BEGIN WP Rocket.*# END WP Rocket\s*?/isU', $htaccess ) ) {
		return true;
	}

	return false;
}