<?php

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/**

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* Import and Export data.

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*

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* @package Core\Portability

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*/

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/**

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* Handles the portability workflow.

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*

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* @package ET\Core\Portability

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*/

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class ET_Core_Portability {

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/**

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* Current instance.

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*

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* @since 2.7.0

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*

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* @type object

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*/

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public $instance;

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/**

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* @var ET_Core_Data_Utils

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*/

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protected static $_;

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/**

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* Whether or not an import is in progress.

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*

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* @since 3.0.99

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*

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* @var bool

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*/

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protected static $_doing_import = false;

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/**

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* Constructor.

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*

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* @param string $context Portability context previously registered.

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*/

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public function __construct( $context ) {

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$this->instance = et_core_cache_get( $context, 'et_core_portability' );

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self::$_ = ET_Core_Data_Utils::instance();

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if ( $this->instance && $this->instance->view ) {

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if ( et_core_is_fb_enabled() ) {

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$this->assets();

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} else {

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add_action( 'admin_footer', array( $this, 'modal' ) );

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add_action( 'customize_controls_print_footer_scripts', array( $this, 'modal' ) );

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add_action( 'admin_enqueue_scripts', array( $this, 'assets' ), 5 );

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}

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}

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}

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public static function doing_import() {

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return self::$_doing_import;

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}

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/**

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* Import a previously exported layout.

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*

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* @since 3.10 Return the result of the import instead of dieing.

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* @since 2.7.0

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*

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* @param string $file_context Accepts 'upload', 'sideload'. Default 'upload'.

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*

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* @return bool|array

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*/

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public function import( $file_context = 'upload' ) {

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global $shortname;

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$this->prevent_failure();

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self::$_doing_import = true;

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$timestamp = $this->get_timestamp();

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$filesystem = $this->set_filesystem();

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$temp_file_id = sanitize_file_name( $timestamp );

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$temp_file = $this->has_temp_file( $temp_file_id, 'et_core_import' );

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$include_global_presets = isset( $_POST['include_global_presets'] ) ? wp_validate_boolean( $_POST['include_global_presets'] ) : false;

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$global_presets = '';

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if ( $temp_file ) {

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$import = json_decode( $filesystem->get_contents( $temp_file ), true );

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} else {

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if ( ! isset( $_FILES['file']['name'] ) || ! et_()->ends_with( sanitize_file_name( $_FILES['file']['name'] ), '.json' ) ) {

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return array( 'message' => 'invalideFile' );

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}

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if ( ! in_array( $file_context, array( 'upload', 'sideload' ) ) ) {

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$file_context = 'upload';

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}

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$handle_file = "wp_handle_{$file_context}";

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$upload = $handle_file( $_FILES['file'], array(

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'test_size' => false,

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'test_type' => false,

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'test_form' => false,

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) );

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/**

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* Fires before an uploaded Portability JSON file is processed.

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*

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* @since 3.0.99

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*

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* @param string $file The absolute path to the uploaded JSON file's temporary location.

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*/

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do_action( 'et_core_portability_import_file', $upload['file'] );

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$temp_file = $this->temp_file( $temp_file_id, 'et_core_import', $upload['file'] );

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$import = json_decode( $filesystem->get_contents( $temp_file ), true );

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$import = $this->validate( $import );

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$import['data'] = $this->apply_query( $import['data'], 'set' );

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if ( ! isset( $import['context'] ) || ( isset( $import['context'] ) && $import['context'] !== $this->instance->context ) ) {

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$this->delete_temp_files( 'et_core_import' );

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return array( 'message' => 'importContextFail' );

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}

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$filesystem->put_contents( $upload['file'], wp_json_encode( (array) $import ) );

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}

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// Upload images and replace current urls.

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if ( isset( $import['images'] ) ) {

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$images = $this->maybe_paginate_images( (array) $import['images'], 'upload_images', $timestamp );

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$import['data'] = $this->replace_images_urls( $images, $import['data'] );

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}

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$data = $import['data'];

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$success = array( 'timestamp' => $timestamp );

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$this->delete_temp_files( 'et_core_import' );

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if ( 'options' === $this->instance->type ) {

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// Reset all data besides excluded data.

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$current_data = $this->apply_query( get_option( $this->instance->target, array() ), 'unset' );

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if ( isset( $data['wp_custom_css'] ) && function_exists( 'wp_update_custom_css_post' ) ) {

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wp_update_custom_css_post( $data['wp_custom_css'] );

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if ( 'yes' === get_theme_mod( 'et_pb_css_synced', 'no' ) ) {

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// If synced, clear the legacy custom css value to avoid unwanted merging of old and new css.

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$data[ "{$shortname}_custom_css" ] = '';

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}

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}

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// Merge remaining current data with new data and update options.

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update_option( $this->instance->target, array_merge( $current_data, $data ) );

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set_theme_mod( 'et_pb_css_synced', 'no' );

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}

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// Pass the post content and let js save the post.

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if ( 'post' === $this->instance->type ) {

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$success['postContent'] = reset( $data );

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do_shortcode( $success['postContent'] );

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$success['migrations'] = ET_Builder_Module_Settings_Migration::$migrated;

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$success['presets'] = isset( $import['presets'] ) && is_array( $import['presets'] ) ? $import['presets'] : (object) array();

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}

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if ( 'post_type' === $this->instance->type ) {

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$preset_rewrite_map = array();

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if ( ! empty( $import['presets'] ) && $include_global_presets ) {

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$preset_rewrite_map = $this->prepare_to_import_layout_presets( $import['presets'] );

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$global_presets = $import['presets'];

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}

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foreach ( $data as &$post ) {

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$shortcode_object = et_fb_process_shortcode( $post['post_content'] );

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if ( ! empty( $import['presets'] ) ) {

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if ( $include_global_presets ) {

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$this->rewrite_module_preset_ids( $shortcode_object, $import['presets'], $preset_rewrite_map );

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} else {

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$this->apply_global_presets( $shortcode_object, $import['presets'] );

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}

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}

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$post_content = et_fb_process_to_shortcode( $shortcode_object, array(), '', false );

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// Add slashes for post content to avoid unwanted unslashing (by wp_unslash) while post is inserting.

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$post['post_content'] = wp_slash( $post_content );

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// Upload thumbnail image if exist.

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if ( ! empty( $post['post_meta'] ) && ! empty( $post['post_meta']['_thumbnail_id'] ) ) {

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$post_thumbnail_origin_id = (int) $post['post_meta']['_thumbnail_id'][0];

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if ( ! empty( $import['thumbnails'] ) && ! empty( $import['thumbnails'][ $post_thumbnail_origin_id ] ) ) {

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$post_thumbnail_new = $this->upload_images( $import['thumbnails'][ $post_thumbnail_origin_id ] );

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$new_thumbnail_data = reset( $post_thumbnail_new );

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// New thumbnail image was uploaded and it should be updated.

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if ( isset( $new_thumbnail_data['replacement_id'] ) ) {

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$new_thumbnail_id = $new_thumbnail_data['replacement_id'];

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$post['thumbnail'] = $new_thumbnail_id;

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if ( ! function_exists( 'wp_crop_image' ) ) {

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include ABSPATH . 'wp-admin/includes/image.php';

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}

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$thumbnail_path = get_attached_file( $new_thumbnail_id );

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// Generate all the image sizes and update thumbnail metadata.

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$new_metadata = wp_generate_attachment_metadata( $new_thumbnail_id, $thumbnail_path );

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wp_update_attachment_metadata( $new_thumbnail_id, $new_metadata );

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}

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}

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}

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}

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if ( ! $this->import_posts( $data ) ) {

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/**

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* Filters the error message when {@see ET_Core_Portability::import()} fails.

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*

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* @since 3.0.99

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*

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* @param mixed $error_message Default is `null`.

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*/

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if ( $error_message = apply_filters( 'et_core_portability_import_error_message', false ) ) {

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$error_message = array( 'message' => $error_message );

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}

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return $error_message;

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}

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}

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if ( ! empty( $global_presets ) ) {

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if ( ! $this->import_global_presets( $global_presets ) ) {

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if ( $error_message = apply_filters( 'et_core_portability_import_error_message', false ) ) {

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$error_message = array( 'message' => $error_message );

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}

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return $error_message;

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}

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}

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return $success;

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}

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/**

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* Initiate Export.

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*

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* @since 2.7.0

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*

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* @param bool $return

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*

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* @return null|array

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*/

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public function export( $return = false ) {

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$this->prevent_failure();

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et_core_nonce_verified_previously();

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$timestamp = $this->get_timestamp();

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$filesystem = $this->set_filesystem();

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$temp_file_id = sanitize_file_name( $timestamp );

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$temp_file = $this->has_temp_file( $temp_file_id, 'et_core_export' );

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$apply_global_presets = isset( $_POST['apply_global_presets'] ) ? wp_validate_boolean( $_POST['apply_global_presets'] ) : false;

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$global_presets = '';

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$thumbnails = '';

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if ( $temp_file ) {

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$file_data = json_decode( $filesystem->get_contents( $temp_file ) );

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$data = (array) $file_data->data;

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$global_presets = $file_data->presets;

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} else {

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$temp_file = $this->temp_file( $temp_file_id, 'et_core_export' );

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if ( 'options' === $this->instance->type ) {

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$data = get_option( $this->instance->target, array() );

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// Export the Customizer "Additional CSS" value as well.

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if ( function_exists( 'wp_get_custom_css' ) ) {

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$data[ 'wp_custom_css' ] = wp_get_custom_css();

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}

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}

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if ( 'post' === $this->instance->type ) {

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if ( ! ( isset( $_POST['post'] ) || isset( $_POST['content'] ) ) ) {

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wp_send_json_error();

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}

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$fields_validatation = array(

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'ID' => 'intval',

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// no post_content as the default case for no fields_validation will run it through perms based wp_kses_post, which is exactly what we want.

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);

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$post_data = array(

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'post_content' => stripcslashes( $_POST['content'] ), // need to run this through stripcslashes() as thats what wp_kses_post() expects.

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'ID' => $_POST['post'],

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);

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$post_data = $this->validate( $post_data, $fields_validatation );

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$data = array( $post_data['ID'] => $post_data['post_content'] );

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if ( isset( $_POST['global_presets'] ) ) {

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$global_presets = json_decode( stripslashes( $_POST['global_presets'] ) );

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}

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}

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if ( 'post_type' === $this->instance->type ) {

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$data = $this->export_posts_query();

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}

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$data = $this->apply_query( $data, 'set' );

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if ( 'post_type' === $this->instance->type ) {

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$used_global_presets = array();

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$options = array(

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'apply_global_presets' => true,

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);

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foreach ( $data as $post ) {

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$shortcode_object = et_fb_process_shortcode( $post->post_content );

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if ( $apply_global_presets ) {

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$post->post_content = et_fb_process_to_shortcode( $shortcode_object, $options, '', false );

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} else {

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$used_global_presets = array_merge(

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$this->get_used_global_presets( $shortcode_object, $used_global_presets ),

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$used_global_presets

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);

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}

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}

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if ( ! empty ( $used_global_presets ) ) {

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$global_presets = (object) $used_global_presets;

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}

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}

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// put contents into file, this is temporary,

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// if images get paginated, this content will be brought back out

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// of a temp file in paginated request

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$file_data = array(

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'data' => $data,

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'presets' => $global_presets,

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);

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$filesystem->put_contents( $temp_file, wp_json_encode( $file_data ) );

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}

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$thumbnails = $this->_get_thumbnail_images( $data );

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$images = $this->get_data_images( $data );

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$data = array(

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'context' => $this->instance->context,

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'data' => $data,

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'presets' => $global_presets,

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'images' => $this->maybe_paginate_images( $images, 'encode_images', $timestamp ),

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'thumbnails' => $thumbnails,

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);

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// Return exported content instead of printing it

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if ( $return ) {

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return $data;

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}

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$filesystem->put_contents( $temp_file, wp_json_encode( (array) $data ) );

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wp_send_json_success( array( 'timestamp' => $timestamp ) );

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}

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/**

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* Serialize a single layout post in chunks.

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*

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* @since 4.0

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*

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* @param integer $id Unique ID to represent this layout serialization.

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* @param integer $post_id

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* @param string $content

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* @param array $theme_builder_meta

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* @param integer $chunk

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*

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* @return array

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*/

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public function serialize_layout( $id, $post_id, $content, $theme_builder_meta = array(), $chunk = 0 ) {

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$this->prevent_failure();

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$fields_validatation = array(

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// No post_content as the default case for no fields_validation will run it through perms based wp_kses_post, which is exactly what we want.

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'ID' => 'intval',

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);

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$post_data = array(

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// Need to run this through stripcslashes() as thats what wp_kses_post() expects.

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'post_content' => stripcslashes( $content ),

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'ID' => $post_id,

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);

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$post_data = $this->validate( $post_data, $fields_validatation );

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$data = array( $post_data['ID'] => $post_data['post_content'] );

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$data = $this->apply_query( $data, 'set' );

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$images = $this->get_data_images( $data );

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$images = $this->chunk_images( $images, 'encode_images', $id, $chunk );

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$data = array(

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'context' => 'et_builder',

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'data' => $data,

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'images' => $images['images'],

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'post_title' => get_post_field( 'post_title', $post_id ),

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'post_type' => get_post_type( $post_id ),

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'theme_builder' => $theme_builder_meta,

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);

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$chunks = $images['chunks'];

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$ready = $images['ready'];

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return array(

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'ready' => $ready,

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'chunks' => $chunks,

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'data' => $data,

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);

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}

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/**

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* Serialize Theme Builder templates in chunks.

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*

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* @since 4.0

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*

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* @param integer $id Unique ID to represent this theme builder serialization process.

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* @param array $step

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* @param integer $steps

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* @param integer $step_index

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* @param integer $chunk

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*

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* @return array|false

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*/

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public function serialize_theme_builder( $id, $step, $steps, $step_index = 0, $chunk = 0 ) {

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if ( $step_index >= $steps ) {

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return false;

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}

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$this->prevent_failure();

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$temp_file_id = sanitize_file_name( 'et_theme_builder_' . $id );

[436] Fix | Delete

$temp_file = $this->has_temp_file( $temp_file_id, 'et_core_export' );

[437] Fix | Delete

[438] Fix | Delete

if ( $temp_file ) {

[439] Fix | Delete

$data = json_decode( $this->get_filesystem()->get_contents( $temp_file ), true );

[440] Fix | Delete

} else {

[441] Fix | Delete

$temp_file = $this->temp_file( $temp_file_id, 'et_core_export' );

[442] Fix | Delete

$data = array(

[443] Fix | Delete

'context' => 'et_theme_builder',

[444] Fix | Delete

'templates' => array(),

[445] Fix | Delete

'layouts' => array(),

[446] Fix | Delete

'presets' => array(),

[447] Fix | Delete

'has_default_template' => false,

[448] Fix | Delete

'has_global_layouts' => false,

[449] Fix | Delete

);

[450] Fix | Delete

}

[451] Fix | Delete

[452] Fix | Delete

$chunks = 1;

[453] Fix | Delete

[454] Fix | Delete

switch ( $step['type'] ) {

[455] Fix | Delete

case 'template':

[456] Fix | Delete

$header_id = $step['data']['layouts']['header']['id'];

[457] Fix | Delete

$body_id = $step['data']['layouts']['body']['id'];

[458] Fix | Delete

$footer_id = $step['data']['layouts']['footer']['id'];

[459] Fix | Delete

$is_default = $step['data']['default'];

[460] Fix | Delete

[461] Fix | Delete

if ( 0 !== $header_id && ! current_user_can( 'edit_post', $header_id ) ) {

[462] Fix | Delete

$step['data']['layouts']['header']['id'] = 0;

[463] Fix | Delete

}

[464] Fix | Delete

[465] Fix | Delete

if ( 0 !== $body_id && ! current_user_can( 'edit_post', $body_id ) ) {

[466] Fix | Delete

$step['data']['layouts']['body']['id'] = 0;

[467] Fix | Delete

}

[468] Fix | Delete

[469] Fix | Delete

if ( 0 !== $footer_id && ! current_user_can( 'edit_post', $footer_id ) ) {

[470] Fix | Delete

$step['data']['layouts']['footer']['id'] = 0;

[471] Fix | Delete

}

[472] Fix | Delete

[473] Fix | Delete

if ( $is_default ) {

[474] Fix | Delete

$data['has_default_template'] = true;

[475] Fix | Delete

}

[476] Fix | Delete

[477] Fix | Delete

$data['templates'][] = $step['data'];

[478] Fix | Delete

break;

[479] Fix | Delete

[480] Fix | Delete

case 'layout':

[481] Fix | Delete

$post_id = $step['data']['post_id'];

[482] Fix | Delete

$is_global = $step['data']['is_global'];

[483] Fix | Delete

[484] Fix | Delete

if ( ! current_user_can( 'edit_post', $post_id ) ) {

[485] Fix | Delete

break;

[486] Fix | Delete

}

[487] Fix | Delete

[488] Fix | Delete

if ( 0 === $chunk && isset( $data['layouts'][ $post_id ] ) ) {

[489] Fix | Delete

// The layout is already exported.

[490] Fix | Delete

break;

[491] Fix | Delete

}

[492] Fix | Delete

[493] Fix | Delete

if ( $is_global ) {

[494] Fix | Delete

$data['has_global_layouts'] = true;

[495] Fix | Delete

}

[496] Fix | Delete

[497] Fix | Delete

$step_data = $this->serialize_layout(

[498] Fix | Delete

$id,

[499] Fix | Delete