<?php if ( ! defined( 'ABSPATH' ) ) exit;

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abstract class NF_Abstracts_Controller

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{

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/**

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* Data (Misc.) passed back to the client in the Response.

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*

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* @var array

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*/

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protected $_data = array();

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/**

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* Errors passed back to the client in the Response.

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*

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* @var array

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*/

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protected $_errors = array();

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/**

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* Debug Messages passed back to the client in the Response.

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*

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* @var array

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*/

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protected $_debug = array();

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/*

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* PUBLIC METHODS

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*/

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/**

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* NF_Abstracts_Controller constructor.

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*/

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public function __construct()

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{

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//This section intentionally left blank.

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}

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/*

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* PROTECTED METHODS

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*/

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/**

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* Respond

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*

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* A wrapper for the WordPress AJAX response pattern.

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*/

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protected function _respond( $data = array() )

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{

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if( empty( $data ) ){

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$data = $this->_data;

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}

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if( isset( $this->_data['debug'] ) ) {

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$this->_debug = array_merge( $this->_debug, $this->_data[ 'debug' ] );

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}

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if( isset( $this->_data['errors'] ) && $this->_data[ 'errors' ] ) {

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$this->_errors = array_merge( $this->_errors, $this->_data[ 'errors' ] );

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}

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// allow for accessing and acting on $data before responding

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do_action( 'ninja_forms_before_response', $data );

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$response = array( 'data' => $data, 'errors' => $this->_errors, 'debug' => $this->_debug );

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echo wp_json_encode( $response );

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wp_die(); // this is required to terminate immediately and return a proper response

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}

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}

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