laipower/wp-content/plugins/w3-total-cache/Cdn_Page.php

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<?php
namespace W3TC;
class Cdn_Page extends Base_Page_Settings {
/**
* Current page
*
* @var string
*/
protected $_page = 'w3tc_cdn';
/**
* CDN tab
*
* @return void
*/
function view() {
$config = Dispatcher::config();
$cdn_engine = $config->get_string( 'cdn.engine' );
$cdn_enabled = $config->get_boolean( 'cdn.enabled' );
$cdn_mirror = Cdn_Util::is_engine_mirror( $cdn_engine );
$cdn_mirror_purge_all = Cdn_Util::can_purge_all( $cdn_engine );
$cdn_common = Dispatcher::component( 'Cdn_Core' );
$cdn = $cdn_common->get_cdn();
$cdn_supports_header = $cdn->headers_support() == W3TC_CDN_HEADER_MIRRORING;
$minify_enabled = (
$config->get_boolean( 'minify.enabled' ) &&
Util_Rule::can_check_rules() &&
$config->get_boolean( 'minify.rewrite' ) &&
( !$config->get_boolean( 'minify.auto' ) ||
Cdn_Util::is_engine_mirror( $config->get_string( 'cdn.engine' ) ) ) );
$cookie_domain = $this->get_cookie_domain();
$set_cookie_domain = $this->is_cookie_domain_enabled();
// Required for Update Media Query String button
$browsercache_enabled = $config->get_boolean( 'browsercache.enabled' );
$browsercache_update_media_qs = ( $config->get_boolean( 'browsercache.cssjs.replace' ) || $config->get_boolean( 'browsercache.other.replace' ) );
include W3TC_INC_DIR . '/options/cdn.php';
}
/**
* Returns cookie domain
*
* @return string
*/
function get_cookie_domain() {
$site_url = get_option( 'siteurl' );
$parse_url = @parse_url( $site_url );
if ( $parse_url && !empty( $parse_url['host'] ) ) {
return $parse_url['host'];
}
return isset( $_SERVER['HTTP_HOST'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_HOST'] ) ) : '';
}
/**
* Checks if COOKIE_DOMAIN is enabled
*
* @return bool
*/
function is_cookie_domain_enabled() {
$cookie_domain = $this->get_cookie_domain();
return defined( 'COOKIE_DOMAIN' ) && COOKIE_DOMAIN == $cookie_domain;
}
}