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<?php
function ninja_forms_post_process(){
    global $wpdb, $ninja_forms_processing;

    $ajax = $ninja_forms_processing->get_form_setting('ajax');
    $form_id = $ninja_forms_processing->get_form_ID();

    if(!$ninja_forms_processing->get_all_errors()){

        do_action('ninja_forms_post_process');

        if( !$ninja_forms_processing->get_all_errors() ){

            $ninja_forms_processing->update_form_setting( 'processing_complete', 1 );

            $json = ninja_forms_json_response();
            
            if($ajax == 1){
                //header('Content-Type', 'application/json');
                echo $json;
                die();
            }else{

                if( $ninja_forms_processing->get_form_setting( 'landing_page' ) != '' ){
                    ninja_forms_set_transient();
                    wp_redirect( $ninja_forms_processing->get_form_setting( 'landing_page' ) );
                    die();
                }
            }
        }else{
            if($ajax == 1){
                //header('Content-Type', 'application/json');
                echo $json;
                die();
            }else{
                //echo 'post-processing';
                //print_r($ninja_forms_processing->get_all_errors());
            }
        }
    }else{
        if($ajax == 1){
            //header('Content-Type', 'application/json');
            echo $json;
            die();
        }else{
            //echo 'post-processing';
            //print_r($ninja_forms_processing->get_all_errors());
        }
    }
}