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If the current process is not a “visual” navigation request.

PHP April 1, 2021




This function does not accept any parameters. Is this incorrect?

Additional Notes

This function is true if the current request is an AJAX, REST, CRON, XMLRPC, or WP installation.

This is great for optimizing server-side functionality that is only meant to be run either during, or not during one of these “background” requests.

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    Source File

    Located in /libs/Utilities/Utilities.php on line 1088.

    No Hooks

    This function does not have any filters or actions available. Request one?
            public function is_background_request(){
                //Check for AJAX
                if ( $this->is_ajax_request() ){
                    return true;
                //Check for the REST API
                if ( (defined('REST_REQUEST') && REST_REQUEST) || isset($this->super->get['rest_route']) ){
                    return true;
                //Check if a CRON is running
                if ( defined('DOING_CRON') ){
                    return true;
                //Check if it is an XMLRPC request
                if ( defined('XMLRPC_REQUEST') ){
                    return true;
                //Check if WP is installing
                if ( defined('WP_INSTALLING') && WP_INSTALLING ){
                    return true;
                return false;


    This function can not be short-circuited with an override filter. Request one?