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<?php
defined( 'ABSPATH' ) or die( 'Cheatin’ uh?' );
if ( class_exists( 'WpeCommon' ) && function_exists( 'wpe_param' ) ) :
/**
* Don't display the Varnish options tab for WP Engine users
*
* @since 2.7
*/
add_filter( 'rocket_display_varnish_options_tab', '__return_false' );
/**
* Always keep WP_CACHE constant to true
*
* @since 2.8.6
*/
add_filter( 'set_rocket_wp_cache_define', '__return_true' );
/**
* Conflict with WP Engine caching system
*
* @since 2.6.4
*/
function rocket_stop_generate_caching_files_on_wpengine() {
add_filter( 'do_rocket_generate_caching_files', '__return_false' );
}
add_action( 'init', 'rocket_stop_generate_caching_files_on_wpengine' );
/**
* Run WP Rocket preload bot after purged the Varnish cache via WP Engine Hosting
*
* @since 2.6.4
*
* @return void
*/
function rocket_run_rocket_bot_after_wpengine() {
if ( wpe_param( 'purge-all' ) && defined( 'PWP_NAME' ) && check_admin_referer( PWP_NAME . '-config' ) ) {
// Preload cache.
run_rocket_preload_cache( 'cache-preload' );
}
}
add_action( 'admin_init', 'rocket_run_rocket_bot_after_wpengine' );
/**
* Call the cache server to purge the cache with WP Engine hosting.
*
* @since 2.6.4
*/
function rocket_clean_wpengine() {
if ( method_exists( 'WpeCommon', 'purge_memcached' ) ) {
WpeCommon::purge_memcached();
}
if ( method_exists( 'WpeCommon', 'purge_varnish_cache' ) ) {
WpeCommon::purge_varnish_cache();
}
}
add_action( 'after_rocket_clean_domain', 'rocket_clean_wpengine' );
/**
* Gets WP Engine CDN Domain
*
* @since 2.8.6
* @author Jonathan Buttigieg
*
* return string $cdn_domain the WP Engine CDN Domain
*/
function rocket_get_wp_engine_cdn_domain() {
global $wpe_netdna_domains, $wpe_netdna_domains_secure;
$cdn_domain = '';
$is_ssl = @$_SERVER['HTTPS'];
if ( preg_match( '/^[oO][fF]{2}$/', $is_ssl ) ) {
$is_ssl = false; // have seen this!
}
$native_schema = $is_ssl ? 'https' : 'http';
// Determine the CDN, if any.
if ( $is_ssl ) {
$domains = $wpe_netdna_domains_secure;
} else {
$domains = $wpe_netdna_domains;
}
$wpengine = WpeCommon::instance();
$cdn_domain = $wpengine->get_cdn_domain( $domains, home_url(), $is_ssl );
if ( ! empty( $cdn_domain ) ) {
$cdn_domain = $native_schema . '://' . $cdn_domain;
}
return $cdn_domain;
}
endif;