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

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/**

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* Class NF_Abstracts_ModelFactory

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*/

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class NF_Abstracts_ModelFactory

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{

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/**

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* Database Object

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*

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* @var

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*/

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protected $_db;

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/**

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* The last set object.

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* Used to create context between two objects in a chain.

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*

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* @var object

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*/

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protected $_object;

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/**

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* Form

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*/

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protected $_form;

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/**

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* Fields

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*

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* An array of field model objects.

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*

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* @var array

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*/

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protected $_fields = array();

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/**

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* Actions

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*

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* An array of action model objects.

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*

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* @var array

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*/

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protected $_actions = array();

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/**

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* Objects

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*

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* An array of generic model objects.

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*

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* @var array

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*/

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protected $_objects = 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_ModelFactory constructor.

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* @param $db

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* @param $id

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*/

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public function __construct( $db, $id )

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{

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$this->_db = $db;

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$this->_object = $this->_form = new NF_Database_Models_Form( $this->_db, $id );

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if(WPN_Helper::use_cache()) {

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$form_cache = WPN_Helper::get_nf_cache( $id );

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if( $form_cache && isset ( $form_cache[ 'settings' ] ) ){

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$this->_object->update_settings( $form_cache[ 'settings' ] );

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}

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}

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return $this;

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}

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/**

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* PHP MAGIC method for catching undefined methods.

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* Use this as a passthrough for methods of the form model.

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*

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* @param $method (String) The name of the called method.

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* @param $args (Array) The arguments supplied to the method.

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*

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* @return (Mixed) Will match the return type of the supplied method.

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*

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* @since UPDATE_VERSION_ON_MERGE

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*/

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public function __call( $method, $args ) {

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// If this is a method of the form model...

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if ( method_exists( $this->_object, $method ) ) {

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// Instantiate a reflector method.

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$mirror = new ReflectionMethod( get_class( $this->_object ), $method );

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// If the method is not private...

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if ( ! $mirror->isPrivate() ) {

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// If args were supplied...

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if ( ! empty( $args ) ) {

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// Pass them into the function.

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return $this->_object->{$method}( $args );

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}

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return $this->_object->{$method}();

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}

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}

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}

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/**

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* Returns the parent object set by the constructor for chained methods.

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*

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* @return object

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*/

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public function get()

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{

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$object = $this->_object;

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$this->_object = $this->_form;

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return $object;

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}

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/**

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* Get Forms

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*

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* Returns an array of Form Model Objects.

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*

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* @param array $where

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* @return array|bool

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*/

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public function get_forms( array $where = array() )

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{

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if( 'form' != $this->_object->get_type() ) return FALSE;

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return $this->_object->find( NULL, $where );

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}

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/**

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* Export Form

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*

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* A wrapper for the Form Model export method.

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*

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* @param bool|FALSE $return

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* @return array

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*/

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public function export_form( $return = FALSE )

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{

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$form_id = $this->_object->get_id();

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return NF_Database_Models_Form::export( $form_id, $return );

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}

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/**

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* Import Form

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*

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* A wrapper for the Form Model import method.

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*

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* @param $import

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* @param $decode_utf8

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* @param $id

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* @param $is_conversion

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*/

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public function import_form( $import, $decode_utf8 = TRUE, $id = FALSE,

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$is_conversion = FALSE )

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{

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if( ! is_array( $import ) ){

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// Check to see if user turned off UTF-8 encoding

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if( $decode_utf8 ) {

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$data = WPN_Helper::utf8_decode( json_decode( WPN_Helper::json_cleanup( html_entity_decode( $import ) ), true ) );

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} else {

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$data = json_decode( WPN_Helper::json_cleanup( html_entity_decode( $import ) ), true );

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}

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if( ! is_array( $data ) ) {

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if( $decode_utf8 ) {

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$data = WPN_Helper::utf8_decode( json_decode( WPN_Helper::json_cleanup( $import ), true ) );

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} else {

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$data = json_decode( WPN_Helper::json_cleanup( $import ), true );

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}

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}

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if( ! is_array( $data ) ){

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$data = WPN_Helper::maybe_unserialize( $import );

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if( ! is_array( $data ) ){

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return false;

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}

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}

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$import = $data;

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}

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return NF_Database_Models_Form::import( $import, $id, $is_conversion );

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}

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/*

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* FIELDS

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*/

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/**

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* Sets the parent object for chained methods as a Field.

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*

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* @param string $id

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* @return $this

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*/

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public function field( $id = '' )

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{

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$form_id = $this->_object->get_id();

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$this->_object = new NF_Database_Models_Field( $this->_db, $id, $form_id );

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return $this;

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}

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/**

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* Returns a field object.

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*

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* @param $id

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* @return NF_Database_Models_Field

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*/

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public function get_field( $id )

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{

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if( isset( $this->_fields[ $id ] ) ){

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return $this->_fields[ $id ];

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}

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/* MISSING FORM ID FALLBACK */

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/*

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if( ! $form_id ){

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$form_id = $wpdb->get_var( $wpdb->prepare(

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"SELECT parent_id from {$wpdb->prefix}nf3_fields WHERE id = %d", $id

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));

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$this->_object = $this->_form = new NF_Database_Models_Form( $this->_db, $id );

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}

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*/

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if( ! $this->_fields ){

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$this->get_fields();

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}

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if( ! isset( $this->_fields[ $id ] ) ){

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$form_id = $this->_object->get_id();

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$this->_fields[ $id ] = new NF_Database_Models_Field( $this->_db, $id, $form_id );

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}

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return $this->_fields[ $id ];

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}

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/**

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* Returns an array of field objects for the set form (object).

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*

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* @param array $where

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* @param bool|FALSE $fresh

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* @return array

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*/

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public function get_fields( $where = array(), $fresh = FALSE)

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{

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$field_by_key = array();

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$form_id = $this->_object->get_id();

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if ( ! $form_id && empty( $where ) ) {

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$this->_fields = array();

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}

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if( $where || $fresh || ! $this->_fields ){

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// @TODO: Remove the second half of this IF block and replace it with a required update check.

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if(0 !== $form_id && (WPN_Helper::use_cache() || 1 == $form_id)) {

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$form_cache = WPN_Helper::get_nf_cache( $form_id );

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} else {

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$form_cache = false;

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}

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if( ! $form_cache ) {

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$model_shell = new NF_Database_Models_Field($this->_db, 0);

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$fields = $model_shell->find($form_id, $where);

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foreach ($fields as $field) {

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$this->_fields[$field->get_id()] = $field;

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$field_by_key[ $field->get_setting( 'key' ) ] = $field;

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}

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} else {

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foreach( $form_cache[ 'fields' ] as $cached_field ){

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$field = new NF_Database_Models_Field( $this->_db, $cached_field[ 'id' ], $form_id );

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$field->update_settings( $cached_field[ 'settings' ] );

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$this->_fields[$field->get_id()] = $field;

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$field_by_key[ $field->get_setting( 'key' ) ] = $field;

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}

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}

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/*

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* If a filter is registered to modify field order, then use that filter.

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* If not, then usort??.

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*/

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$order = apply_filters( 'ninja_forms_get_fields_sorted', array(), $this->_fields, $field_by_key, $form_id );

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if ( ! empty( $order ) ) {

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$this->_fields = $order;

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}

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}

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/*

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* Broke the sub edit screen order when I have this enabled.

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*/

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// usort( $this->_fields, "NF_Abstracts_Field::sort_by_order" );

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return $this->_fields;

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}

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/**

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* Import Field

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*

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* A wrapper for the Form Model import method.

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*

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* @param $import

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*/

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public function import_field( $settings, $field_id = '', $is_conversion = FALSE )

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{

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$settings = maybe_unserialize( $settings );

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NF_Database_Models_Field::import( $settings, $field_id, $is_conversion );

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}

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/*

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* ACTIONS

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*/

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/**

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* Sets the parent object for chained methods as an Action.

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*

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* @param string $id

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* @return $this

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*/

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public function action( $id ='' )

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{

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$form_id = $this->_object->get_id();

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$this->_object = new NF_Database_Models_Action( $this->_db, $id, $form_id );

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return $this;

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}

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/**

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* Returns an action object.

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*

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* @param $id

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* @return NF_Database_Models_Action

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*/

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public function get_action( $id )

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{

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$form_id = $this->_object->get_id();

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return $this->_actions[ $id ] = new NF_Database_Models_Action( $this->_db, $id, $form_id );

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}

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/**

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* Returns an array of action objects for the set form (object).

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*

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* @param array $where

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* @param bool|FALSE $fresh

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* @return array

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*/

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public function get_actions( $where = array(), $fresh = FALSE)

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{

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if( $where || $fresh || ! $this->_actions ){

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$form_id = $this->_object->get_id();

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$model_shell = new NF_Database_Models_Action($this->_db, 0);

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$actions = $model_shell->find($form_id, $where);

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foreach ($actions as $action) {

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$action->get_setting( 'type' ); // Pre-load the type of action for usort()

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$this->_actions[$action->get_id()] = $action;

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}

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}

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usort( $this->_actions, 'NF_Abstracts_Action::sort_actions' );

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return $this->_actions;

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}

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/*

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* OBJECTS

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*/

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/**

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* Sets the parent object for chained methods as an Object.

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*

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* @param string $id

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* @return $this

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*/

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public function object( $id = '' )

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{

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$parent_id = $this->_object->get_id();

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$parent_type = $this->_object->get_type();

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$this->_object = new NF_Database_Models_Object( $this->_db, $id, $parent_id, $parent_type );

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return $this;

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}

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/**

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* Returns an object.

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*

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* @param $id

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* @return NF_Database_Models_Object

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*/

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public function get_object( $id )

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{

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return $this->_objects[ $id ] = new NF_Database_Models_Object( $this->_db, $id );

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}

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/**

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* Returns an array of objects for the set object.

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*

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* @param array $where

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* @param bool|FALSE $fresh

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* @return array

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*/

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public function get_objects( $where = array(), $fresh = FALSE)

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{

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if( $where || $fresh || ! $this->_objects ){

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$form_id = $this->_object->get_id();

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$model_shell = new NF_Database_Models_Object( $this->_db, 0 );

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$objects = $model_shell->find( $form_id, $where );

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foreach( $objects as $object ){

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$this->_objects[ $object->get_id() ] = $object;

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}

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}

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return $this->_objects;

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}

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/*

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* SUBMISSIONS

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*/

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/**

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* Submission

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*

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* Returns a single submission by ID,

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* or an empty submission.

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*

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* @param string $id

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* @return $this

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*/

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public function sub( $id = '' )

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{

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$form_id = $this->_object->get_id();

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$this->_object = new NF_Database_Models_Submission( $id, $form_id );

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return $this;

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}

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/**

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* Get Submission

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*

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* Returns a single submission by ID.

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*

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* @param $id

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* @return NF_Database_Models_Submission

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*/

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public function get_sub( $id )

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{

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$parent_id = $this->_object->get_id();

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return $this->_objects[ $id ] = new NF_Database_Models_Submission( $id, $parent_id );

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}

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/**

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* Get Submissions

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*

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* Returns an array of Submission Model Objects.

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*

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* @param array $where

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* @param bool|FALSE $fresh

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* @return array

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*/

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public function get_subs( $where = array(), $fresh = FALSE, $sub_ids = array() )

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{

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if( $where || $fresh || $sub_ids || ! $this->_objects ){

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$form_id = $this->_object->get_id();

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$model_shell = new NF_Database_Models_Submission( 0 );

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$objects = $model_shell->find( $form_id, $where, $sub_ids );

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foreach( $objects as $object ){

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$this->_objects[ $object->get_id() ] = $object;

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}

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}

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