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<?php |
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/** |
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* Does setup for Publicize in Gutenberg |
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* |
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* Enqueues UI resources and completes REST setup for enabling |
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* Publicize in Gutenberg. |
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* |
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* @package Jetpack |
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* @subpackage Publicize |
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* @since 5.9.1 |
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*/ |
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/** |
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* Class to set up Gutenberg editor support. |
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* |
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* @since 5.9.1 |
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*/ |
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class Jetpack_Publicize_Gutenberg { |
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/** |
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* Instance of Publicize used to access data gathering utility methods. |
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* |
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* @since 5.9.1 |
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* @var Publicize $publicize Instance of Jetpack Publicize class. |
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*/ |
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private $publicize; |
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/** |
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* Constructor for Jetpack_Publicize_Gutenberg |
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* |
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* Set up hooks to extend legacy Publicize behavior. |
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* |
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* @since 5.9.1 |
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*/ |
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public function __construct( $publicize ) { |
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// Do edit page specific setup. |
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add_action( 'admin_enqueue_scripts', array( $this, 'post_page_enqueue' ) ); |
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add_action( 'rest_api_init', array( $this, 'add_publicize_rest_fields' ) ); |
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// Set up publicize flags right before post is actually published. |
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add_filter( 'rest_pre_insert_post', array( $this, 'process_publicize_from_rest' ), 10, 2 ); |
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$this->publicize = $publicize; |
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} |
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/** |
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* Retrieve current list of connected social accounts. |
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* |
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* Gets current list of connected accounts and send them as |
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* JSON encoded data. |
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* |
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* @see Publicize::get_filtered_connection_data() |
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* |
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* @since 5.9.1 |
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* |
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* @param WP_REST_Request $request Request instance from REST call. |
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* |
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* @return string JSON encoded connection list data. |
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*/ |
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public function rest_get_publicize_connections( $request ) { |
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$post_id = $request['post_id']; |
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return wp_json_encode( $this->publicize->get_filtered_connection_data( $post_id ) ); |
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} |
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/** |
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* Add rest field to 'post' for Publicize support |
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* |
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* Sets up 'publicize' schema to submit publicize sharing title |
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* and individual connection sharing enables/disables. This schema |
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* is registered with the 'post' endpoint REST endpoint so publicize |
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* options can be saved when a post is published. |
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* |
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* @since 5.9.1 |
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*/ |
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public function add_publicize_rest_fields() { |
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// Schema for wpas.submit[] field. |
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$publicize_submit_schema = array( |
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'$schema' => 'http://json-schema.org/draft-04/schema#', |
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'title' => esc_html__( 'Publicize data for publishing post', 'jetpack' ), |
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'type' => 'object', |
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'properties' => array( |
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'connections' => array( |
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'description' => esc_html__( 'List of connections to be shared to (or not).', 'jetpack' ), |
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'type' => 'array', |
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'items' => array( |
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'type' => 'object', |
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'properties' => array( |
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'unique_id' => array( |
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'description' => esc_html__( 'Unique identifier string for a connection', 'jetpack' ), |
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'type' => 'string', |
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), |
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'should_share' => array( |
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'description' => esc_html__( 'Whether or not connection should be shared to.', 'jetpack' ), |
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'type' => 'boolean', |
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), |
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), |
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), |
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), |
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'title' => array( |
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'description' => esc_html__( 'Optional title to share post with.', 'jetpack' ), |
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'type' => 'string', |
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), |
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), |
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); |
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// Registering the publicize field with post endpoint. |
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register_rest_field( |
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'post', |
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'publicize', |
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array( |
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'get_callback' => null, |
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'update_callback' => null, // Data read/processed before publishing post by 'rest_pre_insert_post' filter. |
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'schema' => $publicize_submit_schema, |
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) |
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); |
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/** |
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* REST endpoint to get connection list data for current user and post id. |
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* |
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* @see Publicize::get_filtered_connection_data() |
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* |
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* @since 5.9.1 |
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*/ |
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register_rest_route( 'publicize/', '/posts/(?P<post_id>\d+)/connections', array( |
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'methods' => 'GET', |
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'callback' => array( $this, 'rest_get_publicize_connections' ), |
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'post_id' => array( |
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'validate_post_id' => array( $this, 'rest_connections_validate_post_id' ), |
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), |
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'permission_callback' => array( $this, 'rest_connections_permission_callback' ), |
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) ); |
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} |
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/** |
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* Check user capability for getting Publicize connection list from endpoint. |
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* |
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* @since 5.9.1 |
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* |
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* @return boolean True if current user has 'publish_post' capability. |
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*/ |
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public function rest_connections_permission_callback() { |
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return current_user_can( 'publish_posts' ); |
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} |
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/** |
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* Check post id validity for Publicize connection list REST endpoint. |
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* |
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* @since 5.9.1 |
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* |
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* @param mixed $param post_id parameter from REST call. |
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* |
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* @return boolean True if post_id is valid integer |
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*/ |
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public function rest_connections_validate_post_id( $param ) { |
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return is_int( $param ); |
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} |
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/** |
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* Set up Publicize meta fields for publishing post. |
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* |
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* Process 'publicize' REST field to setup Publicize for publishing |
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* post. Sets post meta keys to enable/disable each connection for |
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* the post and sets publicize title meta key if a title message |
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* is provided. |
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* |
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* @since 5.9.1 |
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* |
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* @param stdClass $new_post_obj Updated post object about to be inserted view REST endpoint. |
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* @param WP_REST_Request $request Request object, possibly containing 'publicize' field {@see add_publicize_rest_fields()}. |
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* |
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* @return WP_Post Returns the original $new_post value unchanged. |
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*/ |
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public function process_publicize_from_rest( $new_post_obj, $request ) { |
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global $publicize; |
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if ( property_exists( $new_post_obj, 'ID' ) ) { |
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$post = get_post( $new_post_obj->ID ); |
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} else { |
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return $new_post_obj; |
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} |
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// If 'publicize' field has been set from editor and post is about to be published. |
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if ( isset( $request['publicize'] ) |
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&& ( property_exists( $new_post_obj, 'post_status' ) && ( 'publish' === $new_post_obj->post_status ) ) |
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&& ( 'publish' !== $post->post_status ) ) { |
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$publicize_field = $request['publicize']; |
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View Code Duplication |
if ( empty( $publicize_field['title'] ) ) { |
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delete_post_meta( $post->ID, $publicize->POST_MESS ); |
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} else { |
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update_post_meta( $post->ID, $publicize->POST_MESS, trim( stripslashes( $publicize_field['title'] ) ) ); |
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} |
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if ( isset( $publicize_field['connections'] ) ) { |
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foreach ( (array) $publicize->get_services( 'connected' ) as $service_name => $connections ) { |
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foreach ( $connections as $connection ) { |
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View Code Duplication |
if ( ! empty( $connection->unique_id ) ) { |
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$unique_id = $connection->unique_id; |
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} elseif ( ! empty( $connection['connection_data']['token_id'] ) ) { |
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$unique_id = $connection['connection_data']['token_id']; |
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} |
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if ( $this->connection_should_share( $publicize_field['connections'], $unique_id ) ) { |
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// Delete skip flag meta key. |
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delete_post_meta( $post->ID, $publicize->POST_SKIP . $unique_id ); |
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} else { |
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// Flag connection to be skipped for this post. |
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update_post_meta( $post->ID, $publicize->POST_SKIP . $unique_id, 1 ); |
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} |
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} |
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} |
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} |
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} |
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// Just pass post object through. |
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return $new_post_obj; |
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} |
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/** |
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* Checks if a connection should be shared to. |
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* |
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* Checks $connection_id against $connections_array to see if the connection associated |
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* with $connection_id should be shared to. Will return true if $connection_id is in the |
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* array and 'should_share' property is set to true, and will default to false otherwise. |
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* |
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* @since 5.9.1 |
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* |
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* @param array $connections_array 'connections' from 'publicize' REST field {@see add_publicize_rest_fields()}. |
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* @param string $connection_id Connection identifier string that is unique for each connection. |
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* @return boolean True if connection should be shared to, false otherwise. |
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*/ |
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private function connection_should_share( $connections_array, $connection_id ) { |
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foreach ( $connections_array as $connection ) { |
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if ( isset( $connection['unique_id'] ) |
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&& ( $connection['unique_id'] === $connection_id ) |
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&& $connection['should_share'] ) { |
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return true; |
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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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* Enqueue scripts when they are needed for the edit page |
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* |
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* Enqueues necessary scripts for edit page for Gutenberg |
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* editor only. |
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* |
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* @since 5.9.1 |
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* |
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* @param string $hook Current page url. |
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*/ |
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public function post_page_enqueue( $hook ) { |
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if ( ( 'post-new.php' === $hook || 'post.php' === $hook ) && ! isset( $_GET['classic-editor'] ) ) { // Input var okay. |
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wp_enqueue_style( 'social-logos', null, array( 'genericons' ) ); |
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wp_localize_script( 'jetpack-blocks-editor', |
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array( |
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'staticConnectionList' => wp_json_encode( $this->publicize->get_filtered_connection_data() ), |
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'allServices' => wp_json_encode( $this->publicize->get_available_service_data() ), |
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'api_nonce' => wp_create_nonce( 'wp_rest' ), |
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) |
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); |
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} |
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} |
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} |
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If you define a variable conditionally, it can happen that it is not defined for all execution paths.
Let’s take a look at an example:
In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.
Available Fixes
Check for existence of the variable explicitly:
Define a default value for the variable:
Add a value for the missing path: