<?php

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/**

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* Takes an array of options and return a one dimensional array of all the field names

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*

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* @return array

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* @since 1.0.2

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*/

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function themify_metabox_get_field_names( $arr ) {

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$list = array();

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if( ! empty( $arr ) ){

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foreach( $arr as $metabox ){

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if( ! empty( $metabox['options'] ) ) {

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$options = themify_metabox_make_flat_fields_array( $metabox['options'] );

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$options = array_filter( $options, function ( $item ) {

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if ( isset( $item['name'] ) )

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return true;

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return false;

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} );

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$list = array_merge( $list, wp_list_pluck( $options, 'name' ) );

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}

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}

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}

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return apply_filters( 'themify_metabox_get_field_names', array_keys(array_flip( $list )), $arr );

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}

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/**

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* Takes an options array and returns a one-dimensional list of fields

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*

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* @return array

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* @since 1.0.2

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*/

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function themify_metabox_make_flat_fields_array( $arr ) {

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$list = array();

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foreach ( $arr as $field ) {

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if ( ! isset( $field['type'] ) ) {

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continue;

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}

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

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foreach ( $field['meta']['fields'] as $_field ) {

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$list[] = $_field;

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}

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} elseif ( $field['type'] === 'toggle_group' ) {

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foreach ( $field['meta'] as $_field ) {

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$list[] = $_field;

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}

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} else {

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$list[] = $field;

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}

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}

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return $list;

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}

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/**

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* Check if assignments are applied in the current context

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*

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* @since 1.0

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*/

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function themify_verify_assignments( $assignments ) {

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$query_object = get_queried_object();

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if ( ! empty( $assignments['roles'] )

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// check if *any* of user's role(s) matches

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&& ! count( array_intersect( wp_get_current_user()->roles, array_keys( $assignments['roles'], true ) ) )

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) {

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return false; // bail early.

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}

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unset( $assignments['roles'] );

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if ( ! empty($assignments ) ) {

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if (

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( isset($assignments['general']['home']) && is_front_page())

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|| (isset( $assignments['general']['page'] ) && is_page() && ! is_front_page() )

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|| ( is_singular('post') && isset($assignments['general']['single']) )

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|| ( isset($assignments['general']['search']) && is_search() )

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|| ( isset($assignments['general']['author']) && is_author())

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|| ( isset($assignments['general']['category']) && is_category())

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|| ( isset($assignments['general']['tag']) && is_tag())

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|| ( isset($query_object->post_type,$assignments['general'][$query_object->post_type]) && is_singular() && $query_object->post_type !== 'page' && $query_object->post_type !== 'post' )

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|| ( isset($query_object->taxonomy,$assignments['general'][$query_object->taxonomy]) && is_tax())

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) {

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return true;

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} else { // let's dig deeper into more specific visibility rules

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if ( ! empty( $assignments['tax'] ) ) {

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if ( is_single() ) {

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if ( ! empty( $assignments['tax']['category_single'] ) ) {

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$categories = wp_get_post_categories( get_queried_object_id(), array( 'fields' => 'slugs' ) );

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if ( array_intersect( array_keys( $assignments['tax']['category_single'], true ), $categories ) ) {

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return true;

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}

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}

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} else {

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foreach ( $assignments['tax'] as $tax => $terms ) {

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$terms = array_keys( $terms );

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if ( ( $tax === 'category' && is_category($terms) ) || ( $tax === 'post_tag' && is_tag( $terms ) ) || ( is_tax( $tax, $terms ) )

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) {

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return true;

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}

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}

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}

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}

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if (! empty( $assignments['post_type'] ) ) {

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foreach ( $assignments['post_type'] as $post_type => $posts ) {

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$posts = array_keys( $posts );

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/* child pages have unique names based on their permalink */

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if ( $post_type === 'page' && ! empty( $query_object->post_parent ) ) {

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$post_name = str_replace( home_url(), '', get_permalink( $query_object->ID ) );

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if ( in_array( $post_name, $posts ) ) {

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return true;

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}

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}

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if (

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// Post single

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( $post_type === 'post' && is_single() && is_single( $posts ) )

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// Page view

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|| ( $post_type === 'page' && (

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( is_page( $posts ) )

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|| ( ! is_front_page() && is_home() && in_array( get_post_field( 'post_name', get_option( 'page_for_posts' ) ), $posts ,true ) ) // check for Posts page

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|| ( themify_metabox_is_shop() && in_array( get_post_field( 'post_name', themify_metabox_shop_pageId()), $posts,true ) ) // check for Shop page

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) )

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// Custom Post Types single view check

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|| ( is_singular( $post_type ) && in_array( $query_object->post_name, $posts,true ) )

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) {

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return true;

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}

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}

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}

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}

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}

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return false;

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}

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/**

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* Take an array and converts it to multiple input[type="hidden"]

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*

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* @return string

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*/

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function themify_array_to_input( $array, $prefix = '' ) {

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$output = '';

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if (count( array_filter( array_keys( $array ), 'is_string' ) ) ) {

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foreach ( $array as $key => $value ) {

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if ( empty( $prefix ) ) {

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$name = $key;

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} else {

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$name = $prefix . '[' . $key . ']';

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}

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if ( is_array( $value ) ) {

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$output .= themify_array_to_input( $value, $name );

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} else {

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$output .= '<input type="hidden" value="' . $value .'" name="' . $name .'">';

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}

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}

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} else {

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foreach ($array as $item) {

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if ( is_array($item) ) {

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$output .= themify_array_to_input( $item, $prefix . '[]' );

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} else {

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$output .= '<input type="hidden" name="' . $prefix . '[]" value="' . $item .'">';

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}

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}

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}

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return $output;

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}

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/**

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* Checks if Woocommerce plugin is active and returns the proper value

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*

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* @return bool

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*/

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function themify_metabox_is_woocommerce_active() {

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if(function_exists('themify_is_woocommerce_active')){

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return themify_is_woocommerce_active();

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}

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static $is = null;

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if ( $is===null ) {

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$plugin = 'woocommerce/woocommerce.php';

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include_once( ABSPATH . 'wp-admin/includes/plugin.php' );

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return is_plugin_active( $plugin )

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// validate if $plugin actually exists, the plugin might be active however not installed.

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&& is_file( trailingslashit( WP_PLUGIN_DIR ) . $plugin );

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}

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return $is;

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}

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/**

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* Returns the ID of the designated Shop page in WC plugin

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*

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* @return false|int

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*/

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function themify_metabox_shop_pageId(){

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if(function_exists('themify_shop_pageId')){

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return themify_shop_pageId();

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}

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static $id = null;

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if ( $id === null ) {

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if ( themify_metabox_is_woocommerce_active() ) {

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$id = wc_get_page_id( 'shop' );

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if ( $id <= 0 ) { //wc bug, page id isn't from wc settings,the default should be page with slug 'shop'

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$page = get_page_by_path( 'shop' );

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$id = ! empty( $page ) ? (int) $page->ID : false;

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}

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} else {

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$id = false;

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}

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}

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return $id;

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}

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function themify_metabox_is_shop(){

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if(function_exists('themify_is_shop')){

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return themify_is_shop();

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}

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return themify_metabox_is_woocommerce_active() && is_shop();

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}

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function themify_metabox_enque($url){//backward

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return $url;

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}

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