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

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class NF_Admin_Menus_ImportExport extends NF_Abstracts_Submenu

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{

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public $parent_slug = 'ninja-forms';

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public $menu_slug = 'nf-import-export';

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/**

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* @var int

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public $position = 4;

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final public function __construct()

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{

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add_action( 'init', array( $this, 'import_form_listener' ), 0 );

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add_action( 'init', array( $this, 'export_form_listener' ), 0 );

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add_action( 'init', array( $this, 'import_fields_listener' ), 0 );

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add_action( 'init', array( $this, 'export_fields_listener' ), 0 );

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add_filter( 'ninja_forms_before_import_fields', array( $this, 'import_fields_backwards_compatibility' ) );

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parent::__construct();

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add_action( 'admin_init', array( $this, 'nf_upgrade_redirect' ) );

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}

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/**

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* If we have required updates, redirect to the main Ninja Forms page

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final public function nf_upgrade_redirect() {

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global $pagenow;

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if( "1" == get_option( 'ninja_forms_needs_updates' ) ) {

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remove_submenu_page( $this->parent_slug, $this->menu_slug );

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if( 'admin.php' == $pagenow && 'nf-import-export' == $_GET[ 'page' ] ) {

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wp_safe_redirect( admin_url( 'admin.php?page=ninja-forms' ), 301 );

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exit;

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}

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}

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}

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final public function get_page_title()

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{

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return esc_html__( 'Import / Export', 'ninja-forms' );

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}

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final public function import_form_listener()

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{

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$capability = apply_filters( 'ninja_forms_admin_import_export_capabilities', 'manage_options' );

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$capability = apply_filters( 'ninja_forms_admin_import_form_capabilities', $capability );

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if( ! current_user_can( $capability ) ) return;

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if( ! isset( $_REQUEST['nf_import_security'] )

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|| ! wp_verify_nonce( $_REQUEST[ 'nf_import_security' ], 'ninja_forms_import_form_nonce' ) ) return;

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if( ! isset( $_FILES[ 'nf_import_form' ] ) || ! $_FILES[ 'nf_import_form' ] ) return;

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$this->upload_error_check( $_FILES[ 'nf_import_form' ] );

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$data = file_get_contents( $_FILES[ 'nf_import_form' ][ 'tmp_name' ] );

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

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$decode_utf8 = TRUE;

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if( isset( $_REQUEST[ 'nf_import_form_turn_off_encoding' ] ) &&

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$_REQUEST[ 'nf_import_form_turn_off_encoding' ] ) {

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$decode_utf8 = FALSE;

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}

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$import = Ninja_Forms()->form()->import_form( $data, $decode_utf8 );

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if( ! $import ){

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$err_msg = '';

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if ( function_exists( 'json_last_error_msg' ) ) {

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$err_msg = json_last_error_msg();

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}

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wp_die(

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esc_html__( 'There uploaded file is not a valid format.', 'ninja-forms' ) . ' ' . $err_msg,

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esc_html__( 'Invalid Form Upload.', 'ninja-forms' )

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);

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}

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}

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final public function export_form_listener()

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{

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$capability = apply_filters( 'ninja_forms_admin_import_export_capabilities', 'manage_options' );

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$capability = apply_filters( 'ninja_forms_admin_export_form_capabilities', $capability );

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if( ! current_user_can( $capability ) ) return;

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if( isset( $_REQUEST[ 'nf_export_form' ] ) && $_REQUEST[ 'nf_export_form' ] ){

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$form_id = absint($_REQUEST[ 'nf_export_form' ]);

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Ninja_Forms()->form( $form_id )->export_form();

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}

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}

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final public function import_fields_listener()

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{

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if( ! current_user_can( apply_filters( 'ninja_forms_admin_import_fields_capabilities', 'manage_options' ) ) ) return;

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if( ! isset( $_FILES[ 'nf_import_fields' ] ) || ! $_FILES[ 'nf_import_fields' ] ) return;

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if( ! isset( $_POST['nf_import_security'] ) ||

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! wp_verify_nonce( $_REQUEST[ 'nf_import_security' ], 'ninja_forms_batch_nonce' ) ) return;

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$this->upload_error_check( $_FILES[ 'nf_import_fields' ] );

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$import = file_get_contents( $_FILES[ 'nf_import_fields' ][ 'tmp_name' ] );

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$fields = $this->sanitizeUnserialize($import);

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foreach( $fields as $settings ){

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Ninja_Forms()->form()->import_field( $settings );

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}

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}

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/**

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* Ensure unserialized value is sanitized against malicious objects

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* @param string $serializedValue

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* @return array Expected return is indexed array

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protected function sanitizeUnserialize( $serializedValue)

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{

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$return = unserialize($serializedValue,['allowed_classes'=>false]);

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return $return;

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}

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final public function export_fields_listener()

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{

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if( ! current_user_can( apply_filters( 'ninja_forms_admin_export_fields_capabilities', 'manage_options' ) ) ) return;

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if( isset( $_REQUEST[ 'nf_export_fields' ] ) && $_REQUEST[ 'nf_export_fields' ] ){

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$field_ids = (array) $_REQUEST[ 'nf_export_fields' ];

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$field_ids = array_map('esc_attr', $field_ids);

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$fields = array();

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foreach( $field_ids as $field_id ){

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$field = Ninja_Forms()->form()->field( $field_id )->get();

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$fields[] = $field->get_settings();

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}

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header("Content-type: application/csv");

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header("Content-Disposition: attachment; filename=favorites-" . time() . ".nff");

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header("Pragma: no-cache");

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header("Expires: 0");

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echo serialize( $fields );

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die();

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}

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}

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final public function display()

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{

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$tabs = apply_filters( 'ninja_forms_import_export_tabs', array(

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'forms' => esc_html__( 'Form', 'ninja-forms' ),

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'favorite_fields' => esc_html__( 'Favorite Fields', 'ninja-forms' )

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)

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);

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$tab_keys = array_keys( $tabs );

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$active_tab = ( isset( $_GET[ 'tab' ] ) ) ? WPN_Helper::sanitize_text_field($_GET[ 'tab' ]) : reset( $tab_keys );

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$this->add_meta_boxes();

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wp_enqueue_script('postbox');

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wp_enqueue_script('jquery-ui-draggable');

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wp_enqueue_style( 'nf-admin-settings', Ninja_Forms::$url . 'assets/css/admin-settings.css' );

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wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );

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wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );

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wp_register_script( 'ninja_forms_admin_import_export',

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Ninja_Forms::$url . 'assets/js/admin-import-export.js', array( 'jquery' ), FALSE, TRUE );

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wp_enqueue_script( 'ninja_forms_admin_import_export' );

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wp_localize_script( 'ninja_forms_admin_import_export', 'nfAdmin', array(

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'ajax_url' => admin_url( 'admin-ajax.php' ),

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'batchNonce' => wp_create_nonce( 'ninja_forms_batch_nonce' ),

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'i18n' => array(

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'trashExpiredSubsMessage' => esc_html__( 'Are you sure you want to trash all expired submissions?', 'ninja-forms' ),

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'trashExpiredSubsButtonPrimary' => esc_html__( 'Trash', 'ninja-forms' ),

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'trashExpiredSubsButtonSecondary' => esc_html__( 'Cancel', 'ninja-forms' ),

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'builderURL' => admin_url( 'admin.php?page=ninja-forms&form_id=' ),

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));

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wp_enqueue_script( 'jBox', Ninja_Forms::$url . 'assets/js/min/jBox.min.js', array( 'jquery' ) );

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wp_enqueue_style( 'jBox', Ninja_Forms::$url . 'assets/css/jBox.css' );

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wp_enqueue_script( 'nf-ninja-modal', Ninja_Forms::$url . 'assets/js/lib/ninjaModal.js', array( 'jquery' ) );

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wp_enqueue_script( 'nf-batch-processor', Ninja_Forms::$url . 'assets/js/lib/batch-processor.js', array( 'jquery' ) );

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wp_enqueue_style( 'nf-font-awesome', Ninja_Forms::$url . 'assets/css/font-awesome.min.css' );

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Ninja_Forms::template( 'admin-menu-import-export.html.php', compact( 'tabs', 'active_tab' ) );

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}

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final public function add_meta_boxes()

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{

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* Forms

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add_meta_box(

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'nf_import_export_forms_import',

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esc_html__( 'Import Forms', 'ninja-forms' ),

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array( $this, 'template_import_forms' ),

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'nf_import_export_forms'

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);

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add_meta_box(

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'nf_import_export_forms_export',

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esc_html__( 'Export Forms', 'ninja-forms' ),

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array( $this, 'template_export_forms' ),

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'nf_import_export_forms'

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);

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* FAVORITE FIELDS

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add_meta_box(

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'nf_import_export_favorite_fields_import',

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esc_html__( 'Import Favorite Fields', 'ninja-forms' ),

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array( $this, 'template_import_favorite_fields' ),

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'nf_import_export_favorite_fields'

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);

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add_meta_box(

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'nf_import_export_favorite_fields_export',

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esc_html__( 'Export Favorite Fields', 'ninja-forms' ),

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array( $this, 'template_export_favorite_fields' ),

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'nf_import_export_favorite_fields'

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);

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}

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final public function template_import_forms()

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{

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Ninja_Forms::template( 'admin-metabox-import-export-forms-import.html.php' );

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}

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final public function template_export_forms()

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{

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/**

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* we're gonna create a new array so that we can select a form in the

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* export drop down based on a url parameter

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**/

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$formObjs = Ninja_Forms()->form()->get_forms();

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$forms = array();

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foreach( $formObjs as $form ) {

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$selected = '';

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if( isset( $_REQUEST[ 'exportFormId' ] )

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&& $form->get_id() == absint($_REQUEST[ 'exportFormId' ]) ) {

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$selected = 'selected';

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}

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$forms[] = array(

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'id' => $form->get_id(),

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'title' => $form->get_setting( 'title' ),

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'selected' => $selected,

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);

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}

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Ninja_Forms::template( 'admin-metabox-import-export-forms-export.html.php', compact( 'forms' ) );

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}

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final public function template_import_favorite_fields()

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{

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Ninja_Forms::template( 'admin-metabox-import-export-favorite-fields-import.html.php' );

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}

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final public function template_export_favorite_fields()

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{

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$fields = Ninja_Forms()->form()->get_fields( array( 'saved' => 1) );

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Ninja_Forms::template( 'admin-metabox-import-export-favorite-fields-export.html.php', compact( 'fields' ) );

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}

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|--------------------------------------------------------------------------

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| Backwards Compatibility

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|--------------------------------------------------------------------------

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final public function import_fields_backwards_compatibility( $field )

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{

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//TODO: This was copied over. Instead need to abstract backwards compatibility for re-use.

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// Flatten field settings array

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if( isset( $field[ 'data' ] ) ){

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$field = array_merge( $field, $field[ 'data' ] );

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unset( $field[ 'data' ] );

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}

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// Drop form_id in favor of parent_id, which is set by the form.

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if( isset( $field[ 'form_id' ] ) ){

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unset( $field[ 'form_id' ] );

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}

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// Remove `_` prefix from type setting

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$field[ 'type' ] = ltrim( $field[ 'type' ], '_' );

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// Type: `text` -> `textbox`

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if( 'text' == $field[ 'type' ] ){

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$field[ 'type' ] = 'textbox';

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}

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if( 'submit' == $field[ 'type' ] ){

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$field[ 'processing_label' ] = esc_html__( 'Processing', 'ninja-forms' );

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}

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if( 'calc' == $field[ 'type' ] ){

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$field[ 'type' ] = 'note';

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if( isset( $field[ 'calc_method' ] ) ) {

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switch( $field[ 'calc_method' ] ){

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case 'eq':

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$method = esc_html__( 'Equation (Advanced)', 'ninja-forms' );

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break;

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case 'fields':

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$method = esc_html__( 'Operations and Fields (Advanced)', 'ninja-forms' );

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break;

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case 'auto':

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$method = esc_html__( 'Auto-Total Fields', 'ninja-forms' );

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break;

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default:

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$method = '';

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}

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$field['default'] = $method . "\r\n";

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if ('eq' == $field['calc_method'] && isset( $field['calc_eq'] ) ) {

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$field['default'] .= $field['calc_eq'];

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}

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if ('fields' == $field['calc_method'] && isset( $field['calc'] ) ) {

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// TODO: Support 'operations and fields (advanced)' calculations.

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}

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if ('auto' == $field['calc_method'] && isset( $field['calc'] ) ) {

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// TODO: Support 'auto-totaling' calculations.

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}

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}

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unset( $field[ 'calc' ] );

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unset( $field[ 'calc_eq' ] );

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unset( $field[ 'calc_method' ] );

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}

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if( isset( $field[ 'email' ] ) ){

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if( 'textbox' == $field[ 'type' ] && $field[ 'email' ] ) {

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$field['type'] = 'email';

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}

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unset( $field[ 'email' ] );

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}

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if( isset( $field[ 'class' ] ) ){

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$field[ 'element_class' ] = $field[ 'class' ];

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unset( $field[ 'class' ] );

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}

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if( isset( $field[ 'req' ] ) ){

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$field[ 'required' ] = $field[ 'req' ];

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unset( $field[ 'req' ] );

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}

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if( isset( $field[ 'default_value_type' ] ) ){

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/* User Data */

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if( '_user_id' == $field[ 'default_value_type' ] ) $field[ 'default' ] = '{user:id}';

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if( '_user_email' == $field[ 'default_value_type' ] ) $field[ 'default' ] = '{user:email}';

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if( '_user_lastname' == $field[ 'default_value_type' ] ) $field[ 'default' ] = '{user:last_name}';

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if( '_user_firstname' == $field[ 'default_value_type' ] ) $field[ 'default' ] = '{user:first_name}';

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if( '_user_display_name' == $field[ 'default_value_type' ] ) $field[ 'default' ] = '{user:display_name}';

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/* Post Data */

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if( 'post_id' == $field[ 'default_value_type' ] ) $field[ 'default' ] = '{post:id}';

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if( 'post_url' == $field[ 'default_value_type' ] ) $field[ 'default' ] = '{post:url}';

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if( 'post_title' == $field[ 'default_value_type' ] ) $field[ 'default' ] = '{post:title}';

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/* System Data */

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if( 'today' == $field[ 'default_value_type' ] ) $field[ 'default' ] = '{system:date}';

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/* Miscellaneous */

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if( '_custom' == $field[ 'default_value_type' ] && isset( $field[ 'default_value' ] ) ){

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$field[ 'default' ] = $field[ 'default_value' ];

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}

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if( 'querystring' == $field[ 'default_value_type' ] && isset( $field[ 'default_value' ] ) ){

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$field[ 'default' ] = '{' . $field[ 'default_value' ] . '}';

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}

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unset( $field[ 'default_value' ] );

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unset( $field[ 'default_value_type' ] );

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}

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if( 'list' == $field[ 'type' ] ) {

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if ( isset( $field[ 'list_type' ] ) ) {

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if ('dropdown' == $field['list_type']) {

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$field['type'] = 'listselect';

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}

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if ('radio' == $field['list_type']) {

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$field['type'] = 'listradio';

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}

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if ('checkbox' == $field['list_type']) {

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$field['type'] = 'listcheckbox';

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}

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if ('multi' == $field['list_type']) {

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$field['type'] = 'listmultiselect';

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}

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}

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if( isset( $field[ 'list' ][ 'options' ] ) ) {

[420] Fix | Delete

$field[ 'options' ] = $field[ 'list' ][ 'options' ];

[421] Fix | Delete

unset( $field[ 'list' ][ 'options' ] );

[422] Fix | Delete

}

[423] Fix | Delete

}

[424] Fix | Delete

[425] Fix | Delete

// Convert `textbox` to other field types

[426] Fix | Delete

foreach( array( 'fist_name', 'last_name', 'user_zip', 'user_city', 'user_phone', 'user_email', 'user_address_1', 'user_address_2', 'datepicker' ) as $item ) {

[427] Fix | Delete

if ( isset( $field[ $item ] ) && $field[ $item ] ) {

[428] Fix | Delete

$field[ 'type' ] = str_replace( array( '_', 'user', '1', '2', 'picker' ), '', $item );

[429] Fix | Delete

[430] Fix | Delete

unset( $field[ $item ] );

[431] Fix | Delete

}

[432] Fix | Delete

}

[433] Fix | Delete

[434] Fix | Delete

if( 'timed_submit' == $field[ 'type' ] ) {

[435] Fix | Delete

$field[ 'type' ] = 'submit';

[436] Fix | Delete

}

[437] Fix | Delete

[438] Fix | Delete

return $field;

[439] Fix | Delete

}

[440] Fix | Delete

[441] Fix | Delete

private function upload_error_check( $file )

[442] Fix | Delete

{

[443] Fix | Delete

if( ! $file[ 'error' ] ) return;

[444] Fix | Delete

[445] Fix | Delete

switch ( $file[ 'error' ] ) {

[446] Fix | Delete

case UPLOAD_ERR_INI_SIZE:

[447] Fix | Delete

$error_message = esc_html__( 'The uploaded file exceeds the upload_max_filesize directive in php.ini.', 'ninja-forms' );

[448] Fix | Delete

break;

[449] Fix | Delete

case UPLOAD_ERR_FORM_SIZE:

[450] Fix | Delete

$error_message = esc_html__( 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.', 'ninja-forms' );

[451] Fix | Delete

break;

[452] Fix | Delete

case UPLOAD_ERR_PARTIAL:

[453] Fix | Delete

$error_message = esc_html__( 'The uploaded file was only partially uploaded.', 'ninja-forms' );

[454] Fix | Delete

break;

[455] Fix | Delete

case UPLOAD_ERR_NO_FILE:

[456] Fix | Delete

$error_message = esc_html__( 'No file was uploaded.', 'ninja-forms' );

[457] Fix | Delete

break;

[458] Fix | Delete

case UPLOAD_ERR_NO_TMP_DIR:

[459] Fix | Delete

$error_message = esc_html__( 'Missing a temporary folder.', 'ninja-forms' );

[460] Fix | Delete

break;

[461] Fix | Delete

case UPLOAD_ERR_CANT_WRITE:

[462] Fix | Delete

$error_message = esc_html__( 'Failed to write file to disk.', 'ninja-forms' );

[463] Fix | Delete

break;

[464] Fix | Delete

case UPLOAD_ERR_EXTENSION:

[465] Fix | Delete

$error_message = esc_html__( 'File upload stopped by extension.', 'ninja-forms' );

[466] Fix | Delete

break;

[467] Fix | Delete

default:

[468] Fix | Delete

$error_message = esc_html__( 'Unknown upload error.', 'ninja-forms' );

[469] Fix | Delete

break;

[470] Fix | Delete

}

[471] Fix | Delete

[472] Fix | Delete

$args = array(

[473] Fix | Delete

'title' => esc_html__( 'File Upload Error', 'ninja-forms' ),

[474] Fix | Delete

'message' => $error_message,

[475] Fix | Delete

'debug' => $file,

[476] Fix | Delete

);

[477] Fix | Delete

$message = Ninja_Forms()->template( 'admin-wp-die.html.php', $args );

[478] Fix | Delete

wp_die( $message, $args[ 'title' ], array( 'back_link' => TRUE ) );

[479] Fix | Delete

}

[480] Fix | Delete

[481] Fix | Delete

final public function get_capability()

[482] Fix | Delete

{

[483] Fix | Delete

return apply_filters( 'ninja_forms_admin_import_export_capabilities', $this->capability );

[484] Fix | Delete

}

[485] Fix | Delete

}

[486] Fix | Delete

[487] Fix | Delete