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349 lines
12 KiB
PHP
349 lines
12 KiB
PHP
<?php
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/**
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* Module Name: Copy Post
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* Module Description: Enable the option to copy entire posts and pages, including tags and settings
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* Sort Order: 15
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* First Introduced: 7.0
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* Requires Connection: No
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* Auto Activate: No
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* Module Tags: Writing
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* Feature: Writing
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* Additional Search Queries: copy, duplicate
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*/
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/**
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* Copy Post class.
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*/
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class Jetpack_Copy_Post {
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/**
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* Jetpack_Copy_Post_By_Param constructor.
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* Add row actions to post/page/CPT listing screens.
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* Process any `?copy` param if on a create new post/page/CPT screen.
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*
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* @return void
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*/
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public function __construct() {
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if ( 'edit.php' === $GLOBALS['pagenow'] ) {
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add_filter( 'post_row_actions', array( $this, 'add_row_action' ), 10, 2 );
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add_filter( 'page_row_actions', array( $this, 'add_row_action' ), 10, 2 );
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return;
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}
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if ( ! empty( $_GET['jetpack-copy'] ) && 'post-new.php' === $GLOBALS['pagenow'] ) {
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add_action( 'wp_insert_post', array( $this, 'update_post_data' ), 10, 3 );
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add_filter( 'pre_option_default_post_format', '__return_empty_string' );
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}
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}
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/**
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* Update the new (target) post data with the source post data.
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*
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* @param int $target_post_id Target post ID.
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* @param WP_Post $post Target post object (not used).
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* @param bool $update Whether this is an existing post being updated or not.
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* @return void
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*/
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public function update_post_data( $target_post_id, $post, $update ) {
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// This `$update` check avoids infinite loops of trying to update our updated post.
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if ( $update ) {
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return;
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}
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$source_post = get_post( $_GET['jetpack-copy'] );
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if ( ! $source_post instanceof WP_Post ||
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! $this->user_can_access_post( $source_post->ID ) ||
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! $this->validate_post_type( $source_post ) ) {
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return;
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}
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$update_results = array(
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'update_content' => $this->update_content( $source_post, $target_post_id ),
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'update_featured_image' => $this->update_featured_image( $source_post, $target_post_id ),
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'update_post_format' => $this->update_post_format( $source_post, $target_post_id ),
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'update_likes_sharing' => $this->update_likes_sharing( $source_post, $target_post_id ),
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'update_post_type_terms' => $this->update_post_type_terms( $source_post, $target_post_id ),
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);
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// Required to satisfy get_default_post_to_edit(), which has these filters after post creation.
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add_filter( 'default_title', array( $this, 'filter_title' ), 10, 2 );
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add_filter( 'default_content', array( $this, 'filter_content' ), 10, 2 );
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add_filter( 'default_excerpt', array( $this, 'filter_excerpt' ), 10, 2 );
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// Required to avoid the block editor from adding default blocks according to post format.
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add_filter( 'block_editor_settings', array( $this, 'remove_post_format_template' ) );
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/**
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* Fires after all updates have been performed, and default content filters have been added.
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* Allows for any cleanup or post operations, and default content filters can be removed or modified.
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*
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* @module copy-post
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*
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* @since 7.0.0
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*
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* @param WP_Post $source_post Post object that was copied.
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* @param int $target_post_id Target post ID.
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* @param array $update_results Results of all update operations, allowing action to be taken.
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*/
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do_action( 'jetpack_copy_post', $source_post, $target_post_id, $update_results );
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}
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/**
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* Determine if the current user has edit access to the source post.
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*
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* @param int $post_id Source post ID (the post being copied).
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* @return bool True if user has the meta cap of `edit_post` for the given post ID, false otherwise.
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*/
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protected function user_can_access_post( $post_id ) {
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return current_user_can( 'edit_post', $post_id );
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}
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/**
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* Update the target post's title, content, excerpt, categories, and tags.
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*
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* @param WP_Post $source_post Post object to be copied.
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* @param int $target_post_id Target post ID.
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* @return int 0 on failure, or the updated post ID on success.
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*/
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protected function update_content( $source_post, $target_post_id ) {
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$data = array(
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'ID' => $target_post_id,
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'post_title' => $source_post->post_title,
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'post_content' => $source_post->post_content,
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'post_excerpt' => $source_post->post_excerpt,
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'comment_status' => $source_post->comment_status,
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'ping_status' => $source_post->ping_status,
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'post_category' => $source_post->post_category,
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'post_password' => $source_post->post_password,
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'tags_input' => $source_post->tags_input,
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);
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/**
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* Fires just before the target post is updated with its new data.
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* Allows for final data adjustments before updating the target post.
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*
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* @module copy-post
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*
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* @since 7.0.0
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*
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* @param array $data Post data with which to update the target (new) post.
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* @param WP_Post $source_post Post object being copied.
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* @param int $target_post_id Target post ID.
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*/
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$data = apply_filters( 'jetpack_copy_post_data', $data, $source_post, $target_post_id );
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return wp_update_post( $data );
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}
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/**
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* Update terms for post types.
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*
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* @param WP_Post $source_post Post object to be copied.
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* @param int $target_post_id Target post ID.
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* @return array Results of attempts to set each term to the target (new) post.
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*/
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protected function update_post_type_terms( $source_post, $target_post_id ) {
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$results = array();
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$bypassed_post_types = apply_filters( 'jetpack_copy_post_bypassed_post_types', array( 'post', 'page' ), $source_post, $target_post_id );
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if ( in_array( $source_post->post_type, $bypassed_post_types, true ) ) {
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return $results;
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}
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$taxonomies = get_object_taxonomies( $source_post, 'objects' );
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foreach ( $taxonomies as $taxonomy ) {
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$terms = wp_get_post_terms( $source_post->ID, $taxonomy->name, array( 'fields' => 'ids' ) );
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$results[] = wp_set_post_terms( $target_post_id, $terms, $taxonomy->name );
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}
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return $results;
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}
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/**
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* Update the target post's featured image.
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*
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* @param WP_Post $source_post Post object to be copied.
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* @param int $target_post_id Target post ID.
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* @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure.
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*/
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protected function update_featured_image( $source_post, $target_post_id ) {
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$featured_image_id = get_post_thumbnail_id( $source_post );
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return update_post_meta( $target_post_id, '_thumbnail_id', $featured_image_id );
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}
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/**
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* Update the target post's post format.
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*
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* @param WP_Post $source_post Post object to be copied.
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* @param int $target_post_id Target post ID.
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* @return array|WP_Error|false WP_Error on error, array of affected term IDs on success.
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*/
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protected function update_post_format( $source_post, $target_post_id ) {
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$post_format = get_post_format( $source_post );
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return set_post_format( $target_post_id, $post_format );
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}
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/**
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* Ensure the block editor doesn't modify the source post content for non-standard post formats.
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*
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* @param array $settings Settings to be passed into the block editor.
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* @return array Settings with any `template` key removed.
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*/
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public function remove_post_format_template( $settings ) {
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unset( $settings['template'] );
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return $settings;
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}
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/**
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* Update the target post's Likes and Sharing statuses.
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*
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* @param WP_Post $source_post Post object to be copied.
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* @param int $target_post_id Target post ID.
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* @return array Array with the results of each update action.
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*/
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protected function update_likes_sharing( $source_post, $target_post_id ) {
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$likes = get_post_meta( $source_post->ID, 'switch_like_status', true );
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$sharing = get_post_meta( $source_post->ID, 'sharing_disabled', true );
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if ( '' !== $likes ) {
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$likes_result = update_post_meta( $target_post_id, 'switch_like_status', $likes );
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} else {
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$likes_result = null;
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}
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if ( '' !== $sharing ) {
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$sharing_result = update_post_meta( $target_post_id, 'sharing_disabled', $sharing );
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} else {
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$sharing_result = null;
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}
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return array(
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'likes' => $likes_result,
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'sharing' => $sharing_result,
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);
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}
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/**
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* Update the target post's title.
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*
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* @param string $post_title Post title determined by `get_default_post_to_edit()`.
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* @param WP_Post $post Post object of newly-inserted post.
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* @return string Updated post title from source post.
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*/
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public function filter_title( $post_title, $post ) {
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return $post->post_title;
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}
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/**
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* Update the target post's content (`post_content`).
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*
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* @param string $post_content Post content determined by `get_default_post_to_edit()`.
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* @param WP_Post $post Post object of newly-inserted post.
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* @return string Updated post content from source post.
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*/
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public function filter_content( $post_content, $post ) {
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return $post->post_content;
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}
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/**
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* Update the target post's excerpt.
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*
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* @param string $post_excerpt Post excerpt determined by `get_default_post_to_edit()`.
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* @param WP_Post $post Post object of newly-inserted post.
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* @return string Updated post excerpt from source post.
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*/
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public function filter_excerpt( $post_excerpt, $post ) {
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return $post->post_excerpt;
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}
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/**
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* Validate the post type to be used for the target post.
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*
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* @param WP_Post $post Post object of current post in listing.
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* @return bool True if the post type is in a list of supported psot types; false otherwise.
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*/
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protected function validate_post_type( $post ) {
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/**
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* Fires when determining if the "Copy" row action should be made available.
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* Allows overriding supported post types.
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*
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* @module copy-post
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*
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* @since 7.0.0
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*
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* @param array Post types supported by default.
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* @param WP_Post $post Post object of current post in listing.
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*/
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$valid_post_types = apply_filters(
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'jetpack_copy_post_post_types',
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array(
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'post',
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'page',
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'jetpack-testimonial',
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'jetpack-portfolio',
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),
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$post
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);
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return in_array( $post->post_type, $valid_post_types, true );
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}
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/**
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* Add a "Copy" row action to supported posts/pages/CPTs on list views.
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*
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* @param array $actions Existing actions.
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* @param WP_Post $post Post object of current post in list.
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* @return array Array of updated row actions.
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*/
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public function add_row_action( $actions, $post ) {
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if ( ! $this->user_can_access_post( $post->ID ) ||
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! $post instanceof WP_Post ||
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! $this->validate_post_type( $post ) ) {
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return $actions;
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}
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$edit_url = add_query_arg(
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array(
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'post_type' => $post->post_type,
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'jetpack-copy' => $post->ID,
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),
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admin_url( 'post-new.php' )
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);
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$edit_action = array(
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'jetpack-copy' => sprintf(
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'<a href="%s" aria-label="%s">%s</a>',
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esc_url( $edit_url ),
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esc_attr__( 'Copy this post.', 'jetpack' ),
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esc_html__( 'Copy', 'jetpack' )
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),
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);
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// Insert the Copy action before the Trash action.
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$edit_offset = array_search( 'trash', array_keys( $actions ), true );
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$updated_actions = array_merge(
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array_slice( $actions, 0, $edit_offset ),
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$edit_action,
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array_slice( $actions, $edit_offset )
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);
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/**
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* Fires after the new Copy action has been added to the row actions.
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* Allows changes to the action presentation, or other final checks.
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*
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* @module copy-post
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*
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* @since 7.0.0
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*
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* @param array $updated_actions Updated row actions with the Copy Post action.
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* @param array $actions Original row actions passed to this filter.
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* @param WP_Post $post Post object of current post in listing.
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*/
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return apply_filters( 'jetpack_copy_post_row_actions', $updated_actions, $actions, $post );
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}
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}
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/**
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* Instantiate an instance of Jetpack_Copy_Post on the `admin_init` hook.
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*/
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function jetpack_copy_post_init() {
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new Jetpack_Copy_Post();
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}
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add_action( 'admin_init', 'jetpack_copy_post_init' );
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