Fix File

• /home/sportsfe.../httpdocs/clone/wp-conte.../plugins/ninja-fo.../lib/StepProc...

• File: step-processing.php

• Content:

<?php if ( ! defined( 'ABSPATH' ) ) exit;
/**
 * Class for performing actions incrementally. Internally used for converting submissions, exporting submissions, etc.
 * Very useful when interacting with large amounts of data.
 *
 * @package     Ninja Forms
 * @subpackage  Classes/Step Processing
 * @copyright   Copyright (c) 2014, WPNINJAS
 * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
 * @since       2.7.4
 */

abstract class NF_Step_Processing
{

/**
     * @var action
     */
    var $action = '';

/**
     * @var step
     */
    var $step = '';

/**
     * @var total_steps
     */
    var $total_steps = '';

/**
     * @var redirect
     */
    var $redirect = '';

/**
     * @var array
     */
    var $errors = array();

/**
     * @var args
     */
    var $args = array();

/**
     * Get things rolling
     *
     * @since 2.7.4
     * @return void
     */
    function __construct() {

//Bail if we aren't in the admin.
        if ( ! is_admin() )
            return false;

if ( ! WPN_Helper::is_func_disabled( 'ignore_user_abort' ) ) {
            ignore_user_abort( true );
        }

//        if ( ! nf_is_func_disabled( 'set_time_limit' ) && ! ini_get( 'safe_mode' ) ) {
//            //set_time_limit( 0 );
//        }

// Ajax call handled in 'processing' in this file
        add_action( 'wp_ajax_nf_' . $this->action, array( $this, 'processing' ) );
    }

/**
     * Process our request.
     * Call the appropriate loading or step functions.
     *
     * @since 2.7.6
     * @return void
     */
    public function processing() {

if(!$this->allowProcessing()){
            return;
        }
        
        // Get our passed arguments. These come from the querysting of the processing page.
        if ( isset ( $_REQUEST['args'] ) ) {
            $this->args = WPN_Helper::sanitize_text_field($_REQUEST['args']);
            if ( isset ( $this->args['redirect'] ) ) {
                if( wp_validate_redirect( $this->args['redirect'] ) ){
                    $this->redirect = wp_sanitize_redirect( $this->args['redirect'] );
                }
            }
        } else {
            $this->args = array();
        }

// Get our current step.
        $this->step = isset ( $_REQUEST['step'] )? esc_html( $_REQUEST['step'] ) : 'loading';

// Get our total steps
        $this->total_steps = isset ( $_REQUEST['total_steps'] )? esc_html( $_REQUEST['total_steps'] ) : 0;

// If our step is loading, then we need to return how many total steps there are along with the next step, which is 1.
        if ( 'loading' == $this->step ) {
            $return = $this->loading();
            if ( ! isset ( $return['step'] ) ) {
                $saved_step = get_user_option( 'nf_step_processing_' . $this->action . '_step' );
                if ( ! empty ( $saved_step ) ) {
                    $this->step = $saved_step;
                } else {
                    $this->step = 1;
                }

$return['step'] = $this->step;
            }
            if ( ! isset ( $return['complete'] ) ) {
                $return['complete'] = false;
            }
        } else { // We aren't on the loading step, so do our processing.
            $return = $this->step();
            if ( ! isset ( $return['step'] ) ) {
                $this->step++;
                $return['step'] = $this->step;
            }

if ( ! isset ( $return['complete'] ) ) {
                if ( $this->step > $this->total_steps ) {
                    $complete = true;
                } else {
                    $complete = false;
                }
                $return['complete'] = $complete;
            }

$return['total_steps'] = $this->total_steps;
        }

$user_id = get_current_user_id();

if ( $return['complete'] ) {
            // Delete our step option
            delete_user_option( $user_id, 'nf_step_processing_' . $this->action . '_step' );
            // Set our redirect variable.
            $return['redirect'] = $this->redirect;
            // Run our complete function
            $this->complete();
        } else {
            // Save our current step so that we can resume if necessary
            update_user_option( $user_id, 'nf_step_processing_' . $this->action . '_step', $this->step );
        }

if ( isset ( $this->redirect ) && ! empty ( $this->redirect ) ) {
            $this->args['redirect'] = $this->redirect;
        }

$return['errors'] = ( $this->errors ) ? $this->errors : FALSE;

$return['args'] = $this->args;

echo json_encode( $return );
        die();

}

/**
     * Should processing continue?
     *
     * @return boolean
     */
    abstract protected function allowProcessing( ): bool;
    
    /**
     * Run our loading process.
     * This function should be overwritten in child classes.
     *
     * @since 2.7.4
     * @return array $args
     */
    public function loading() {
        // This space left intentionally blank.
    }

/**
     * This function is called for every step.
     * This function should be overwritten in child classes.
     *
     * @since 2.7.4
     * @return array $args
     */
    public function step() {
        // This space left intentionally blank.
    }

/**
     * This function is called for every step.
     * This function should be overwritten in child classes.
     *
     * @since 2.7.4
     * @return array $args
     */
    public function complete() {
        // This space left intentionally blank.
    }

}

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