/** * REST API: WP_REST_Comments_Controller class * * @package WordPress * @subpackage REST_API * @since 4.7.0 */ /** * Core controller used to access comments via the REST API. * * @since 4.7.0 * * @see WP_REST_Controller */ class WP_REST_Comments_Controller extends WP_REST_Controller { /** * Instance of a comment meta fields object. * * @since 4.7.0 * @var WP_REST_Comment_Meta_Fields */ protected $meta; /** * Constructor. * * @since 4.7.0 */ public function __construct() { $this->namespace = 'wp/v2'; $this->rest_base = 'comments'; $this->meta = new WP_REST_Comment_Meta_Fields(); } /** * Registers the routes for comments. * * @since 4.7.0 * * @see register_rest_route() */ public function register_routes() { register_rest_route( $this->namespace, '/' . $this->rest_base, array( array( 'methods' => WP_REST_Server::READABLE, 'callback' => array( $this, 'get_items' ), 'permission_callback' => array( $this, 'get_items_permissions_check' ), 'args' => $this->get_collection_params(), ), array( 'methods' => WP_REST_Server::CREATABLE, 'callback' => array( $this, 'create_item' ), 'permission_callback' => array( $this, 'create_item_permissions_check' ), 'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ), ), 'schema' => array( $this, 'get_public_item_schema' ), ) ); register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P[\d]+)', array( 'args' => array( 'id' => array( 'description' => __( 'Unique identifier for the comment.' ), 'type' => 'integer', ), ), array( 'methods' => WP_REST_Server::READABLE, 'callback' => array( $this, 'get_item' ), 'permission_callback' => array( $this, 'get_item_permissions_check' ), 'args' => array( 'context' => $this->get_context_param( array( 'default' => 'view' ) ), 'password' => array( 'description' => __( 'The password for the parent post of the comment (if the post is password protected).' ), 'type' => 'string', ), ), ), array( 'methods' => WP_REST_Server::EDITABLE, 'callback' => array( $this, 'update_item' ), 'permission_callback' => array( $this, 'update_item_permissions_check' ), 'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ), ), array( 'methods' => WP_REST_Server::DELETABLE, 'callback' => array( $this, 'delete_item' ), 'permission_callback' => array( $this, 'delete_item_permissions_check' ), 'args' => array( 'force' => array( 'type' => 'boolean', 'default' => false, 'description' => __( 'Whether to bypass Trash and force deletion.' ), ), 'password' => array( 'description' => __( 'The password for the parent post of the comment (if the post is password protected).' ), 'type' => 'string', ), ), ), 'schema' => array( $this, 'get_public_item_schema' ), ) ); } /** * Checks if a given request has access to read comments. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has read access, error object otherwise. */ public function get_items_permissions_check( $request ) { if ( ! empty( $request['post'] ) ) { foreach ( (array) $request['post'] as $post_id ) { $post = get_post( $post_id ); if ( ! empty( $post_id ) && $post && ! $this->check_read_post_permission( $post, $request ) ) { return new WP_Error( 'rest_cannot_read_post', __( 'Sorry, you are not allowed to read the post for this comment.' ), array( 'status' => rest_authorization_required_code() ) ); } elseif ( 0 === $post_id && ! current_user_can( 'moderate_comments' ) ) { return new WP_Error( 'rest_cannot_read', __( 'Sorry, you are not allowed to read comments without a post.' ), array( 'status' => rest_authorization_required_code() ) ); } } } if ( ! empty( $request['context'] ) && 'edit' === $request['context'] && ! current_user_can( 'moderate_comments' ) ) { return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit comments.' ), array( 'status' => rest_authorization_required_code() ) ); } if ( ! current_user_can( 'edit_posts' ) ) { $protected_params = array( 'author', 'author_exclude', 'author_email', 'type', 'status' ); $forbidden_params = array(); foreach ( $protected_params as $param ) { if ( 'status' === $param ) { if ( 'approve' !== $request[ $param ] ) { $forbidden_params[] = $param; } } elseif ( 'type' === $param ) { if ( 'comment' !== $request[ $param ] ) { $forbidden_params[] = $param; } } elseif ( ! empty( $request[ $param ] ) ) { $forbidden_params[] = $param; } } if ( ! empty( $forbidden_params ) ) { return new WP_Error( 'rest_forbidden_param', /* translators: %s: List of forbidden parameters. */ sprintf( __( 'Query parameter not permitted: %s' ), implode( ', ', $forbidden_params ) ), array( 'status' => rest_authorization_required_code() ) ); } } return true; } /** * Retrieves a list of comment items. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or error object on failure. */ public function get_items( $request ) { // Retrieve the list of registered collection query parameters. $registered = $this->get_collection_params(); /* * This array defines mappings between public API query parameters whose * values are accepted as-passed, and their internal WP_Query parameter * name equivalents (some are the same). Only values which are also * present in $registered will be set. */ $parameter_mappings = array( 'author' => 'author__in', 'author_email' => 'author_email', 'author_exclude' => 'author__not_in', 'exclude' => 'comment__not_in', 'include' => 'comment__in', 'offset' => 'offset', 'order' => 'order', 'parent' => 'parent__in', 'parent_exclude' => 'parent__not_in', 'per_page' => 'number', 'post' => 'post__in', 'search' => 'search', 'status' => 'status', 'type' => 'type', ); $prepared_args = array(); /* * For each known parameter which is both registered and present in the request, * set the parameter's value on the query $prepared_args. */ foreach ( $parameter_mappings as $api_param => $wp_param ) { if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) { $prepared_args[ $wp_param ] = $request[ $api_param ]; } } // Ensure certain parameter values default to empty strings. foreach ( array( 'author_email', 'search' ) as $param ) { if ( ! isset( $prepared_args[ $param ] ) ) { $prepared_args[ $param ] = ''; } } if ( isset( $registered['orderby'] ) ) { $prepared_args['orderby'] = $this->normalize_query_param( $request['orderby'] ); } $prepared_args['no_found_rows'] = false; $prepared_args['update_comment_post_cache'] = true; $prepared_args['date_query'] = array(); // Set before into date query. Date query must be specified as an array of an array. if ( isset( $registered['before'], $request['before'] ) ) { $prepared_args['date_query'][0]['before'] = $request['before']; } // Set after into date query. Date query must be specified as an array of an array. if ( isset( $registered['after'], $request['after'] ) ) { $prepared_args['date_query'][0]['after'] = $request['after']; } if ( isset( $registered['page'] ) && empty( $request['offset'] ) ) { $prepared_args['offset'] = $prepared_args['number'] * ( absint( $request['page'] ) - 1 ); } /** * Filters WP_Comment_Query arguments when querying comments via the REST API. * * @since 4.7.0 * * @link https://developer.wordpress.org/reference/classes/wp_comment_query/ * * @param array $prepared_args Array of arguments for WP_Comment_Query. * @param WP_REST_Request $request The REST API request. */ $prepared_args = apply_filters( 'rest_comment_query', $prepared_args, $request ); $query = new WP_Comment_Query(); $query_result = $query->query( $prepared_args ); $comments = array(); foreach ( $query_result as $comment ) { if ( ! $this->check_read_permission( $comment, $request ) ) { continue; } $data = $this->prepare_item_for_response( $comment, $request ); $comments[] = $this->prepare_response_for_collection( $data ); } $total_comments = (int) $query->found_comments; $max_pages = (int) $query->max_num_pages; if ( $total_comments < 1 ) { // Out-of-bounds, run the query again without LIMIT for total count. unset( $prepared_args['number'], $prepared_args['offset'] ); $query = new WP_Comment_Query(); $prepared_args['count'] = true; $prepared_args['orderby'] = 'none'; $total_comments = $query->query( $prepared_args ); $max_pages = (int) ceil( $total_comments / $request['per_page'] ); } $response = rest_ensure_response( $comments ); $response->header( 'X-WP-Total', $total_comments ); $response->header( 'X-WP-TotalPages', $max_pages ); $base = add_query_arg( urlencode_deep( $request->get_query_params() ), rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ) ); if ( $request['page'] > 1 ) { $prev_page = $request['page'] - 1; if ( $prev_page > $max_pages ) { $prev_page = $max_pages; } $prev_link = add_query_arg( 'page', $prev_page, $base ); $response->link_header( 'prev', $prev_link ); } if ( $max_pages > $request['page'] ) { $next_page = $request['page'] + 1; $next_link = add_query_arg( 'page', $next_page, $base ); $response->link_header( 'next', $next_link ); } return $response; } /** * Get the comment, if the ID is valid. * * @since 4.7.2 * * @param int $id Supplied ID. * @return WP_Comment|WP_Error Comment object if ID is valid, WP_Error otherwise. */ protected function get_comment( $id ) { $error = new WP_Error( 'rest_comment_invalid_id', __( 'Invalid comment ID.' ), array( 'status' => 404 ) ); if ( (int) $id <= 0 ) { return $error; } $id = (int) $id; $comment = get_comment( $id ); if ( empty( $comment ) ) { return $error; } if ( ! empty( $comment->comment_post_ID ) ) { $post = get_post( (int) $comment->comment_post_ID ); if ( empty( $post ) ) { return new WP_Error( 'rest_post_invalid_id', __( 'Invalid post ID.' ), array( 'status' => 404 ) ); } } return $comment; } /** * Checks if a given request has access to read the comment. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has read access for the item, error object otherwise. */ public function get_item_permissions_check( $request ) { $comment = $this->get_comment( $request['id'] ); if ( is_wp_error( $comment ) ) { return $comment; } if ( ! empty( $request['context'] ) && 'edit' === $request['context'] && ! current_user_can( 'moderate_comments' ) ) { return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit comments.' ), array( 'status' => rest_authorization_required_code() ) ); } $post = get_post( $comment->comment_post_ID ); if ( ! $this->check_read_permission( $comment, $request ) ) { return new WP_Error( 'rest_cannot_read', __( 'Sorry, you are not allowed to read this comment.' ), array( 'status' => rest_authorization_required_code() ) ); } if ( $post && ! $this->check_read_post_permission( $post, $request ) ) { return new WP_Error( 'rest_cannot_read_post', __( 'Sorry, you are not allowed to read the post for this comment.' ), array( 'status' => rest_authorization_required_code() ) ); } return true; } /** * Retrieves a comment. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or error object on failure. */ public function get_item( $request ) { $comment = $this->get_comment( $request['id'] ); if ( is_wp_error( $comment ) ) { return $comment; } $data = $this->prepare_item_for_response( $comment, $request ); $response = rest_ensure_response( $data ); return $response; } /** * Checks if a given request has access to create a comment. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has access to create items, error object otherwise. */ public function create_item_permissions_check( $request ) { if ( ! is_user_logged_in() ) { if ( get_option( 'comment_registration' ) ) { return new WP_Error( 'rest_comment_login_required', __( 'Sorry, you must be logged in to comment.' ), array( 'status' => 401 ) ); } /** * Filters whether comments can be created via the REST API without authentication. * * Enables creating comments for anonymous users. * * @since 4.7.0 * * @param bool $allow_anonymous Whether to allow anonymous comments to * be created. Default `false`. * @param WP_REST_Request $request Request used to generate the * response. */ $allow_anonymous = apply_filters( 'rest_allow_anonymous_comments', false, $request ); if ( ! $allow_anonymous ) { return new WP_Error( 'rest_comment_login_required', __( 'Sorry, you must be logged in to comment.' ), array( 'status' => 401 ) ); } } // Limit who can set comment `author`, `author_ip` or `status` to anything other than the default. if ( isset( $request['author'] ) && get_current_user_id() !== $request['author'] && ! current_user_can( 'moderate_comments' ) ) { return new WP_Error( 'rest_comment_invalid_author', /* translators: %s: Request parameter. */ sprintf( __( "Sorry, you are not allowed to edit '%s' for comments." ), 'author' ), array( 'status' => rest_authorization_required_code() ) ); } if ( isset( $request['author_ip'] ) && ! current_user_can( 'moderate_comments' ) ) { if ( empty( $_SERVER['REMOTE_ADDR'] ) || $request['author_ip'] !== $_SERVER['REMOTE_ADDR'] ) { return new WP_Error( 'rest_comment_invalid_author_ip', /* translators: %s: Request parameter. */ sprintf( __( "Sorry, you are not allowed to edit '%s' for comments." ), 'author_ip' ), array( 'status' => rest_authorization_required_code() ) ); } } if ( isset( $request['status'] ) && ! current_user_can( 'moderate_comments' ) ) { return new WP_Error( 'rest_comment_invalid_status', /* translators: %s: Request parameter. */ sprintf( __( "Sorry, you are not allowed to edit '%s' for comments." ), 'status' ), array( 'status' => rest_authorization_required_code() ) ); } if ( empty( $request['post'] ) ) { return new WP_Error( 'rest_comment_invalid_post_id', __( 'Sorry, you are not allowed to create this comment without a post.' ), array( 'status' => 403 ) ); } $post = get_post( (int) $request['post'] ); if ( ! $post ) { return new WP_Error( 'rest_comment_invalid_post_id', __( 'Sorry, you are not allowed to create this comment without a post.' ), array( 'status' => 403 ) ); } if ( 'draft' === $post->post_status ) { return new WP_Error( 'rest_comment_draft_post', __( 'Sorry, you are not allowed to create a comment on this post.' ), array( 'status' => 403 ) ); } if ( 'trash' === $post->post_status ) { return new WP_Error( 'rest_comment_trash_post', __( 'Sorry, you are not allowed to create a comment on this post.' ), array( 'status' => 403 ) ); } if ( ! $this->check_read_post_permission( $post, $request ) ) { return new WP_Error( 'rest_cannot_read_post', __( 'Sorry, you are not allowed to read the post for this comment.' ), array( 'status' => rest_authorization_required_code() ) ); } if ( ! comments_open( $post->ID ) ) { return new WP_Error( 'rest_comment_closed', __( 'Sorry, comments are closed for this item.' ), array( 'status' => 403 ) ); } return true; } /** * Creates a comment. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or error object on failure. */ public function create_item( $request ) { if ( ! empty( $request['id'] ) ) { return new WP_Error( 'rest_comment_exists', __( 'Cannot create existing comment.' ), array( 'status' => 400 ) ); } // Do not allow comments to be created with a non-default type. if ( ! empty( $request['type'] ) && 'comment' !== $request['type'] ) { return new WP_Error( 'rest_invalid_comment_type', __( 'Cannot create a comment with that type.' ), array( 'status' => 400 ) ); } $prepared_comment = $this->prepare_item_for_database( $request ); if ( is_wp_error( $prepared_comment ) ) { return $prepared_comment; } $prepared_comment['comment_type'] = 'comment'; if ( ! isset( $prepared_comment['comment_content'] ) ) { $prepared_comment['comment_content'] = ''; } if ( ! $this->check_is_comment_content_allowed( $prepared_comment ) ) { return new WP_Error( 'rest_comment_content_invalid', __( 'Invalid comment content.' ), array( 'status' => 400 ) ); } // Setting remaining values before wp_insert_comment so we can use wp_allow_comment(). if ( ! isset( $prepared_comment['comment_date_gmt'] ) ) { $prepared_comment['comment_date_gmt'] = current_time( 'mysql', true ); } // Set author data if the user's logged in. $missing_author = empty( $prepared_comment['user_id'] ) && empty( $prepared_comment['comment_author'] ) && empty( $prepared_comment['comment_author_email'] ) && empty( $prepared_comment['comment_author_url'] ); if ( is_user_logged_in() && $missing_author ) { $user = wp_get_current_user(); $prepared_comment['user_id'] = $user->ID; $prepared_comment['comment_author'] = $user->display_name; $prepared_comment['comment_author_email'] = $user->user_email; $prepared_comment['comment_author_url'] = $user->user_url; } // Honor the discussion setting that requires a name and email address of the comment author. if ( get_option( 'require_name_email' ) ) { if ( empty( $prepared_comment['comment_author'] ) || empty( $prepared_comment['comment_author_email'] ) ) { return new WP_Error( 'rest_comment_author_data_required', __( 'Creating a comment requires valid author name and email values.' ), array( 'status' => 400 ) ); } } if ( ! isset( $prepared_comment['comment_author_email'] ) ) { $prepared_comment['comment_author_email'] = ''; } if ( ! isset( $prepared_comment['comment_author_url'] ) ) { $prepared_comment['comment_author_url'] = ''; } if ( ! isset( $prepared_comment['comment_agent'] ) ) { $prepared_comment['comment_agent'] = ''; } $check_comment_lengths = wp_check_comment_data_max_lengths( $prepared_comment ); if ( is_wp_error( $check_comment_lengths ) ) { $error_code = $check_comment_lengths->get_error_code(); return new WP_Error( $error_code, __( 'Comment field exceeds maximum length allowed.' ), array( 'status' => 400 ) ); } $prepared_comment['comment_approved'] = wp_allow_comment( $prepared_comment, true ); if ( is_wp_error( $prepared_comment['comment_approved'] ) ) { $error_code = $prepared_comment['comment_approved']->get_error_code(); $error_message = $prepared_comment['comment_approved']->get_error_message(); if ( 'comment_duplicate' === $error_code ) { return new WP_Error( $error_code, $error_message, array( 'status' => 409 ) ); } if ( 'comment_flood' === $error_code ) { return new WP_Error( $error_code, $error_message, array( 'status' => 400 ) ); } return $prepared_comment['comment_approved']; } /** * Filters a comment before it is inserted via the REST API. * * Allows modification of the comment right before it is inserted via wp_insert_comment(). * Returning a WP_Error value from the filter will short-circuit insertion and allow * skipping further processing. * * @since 4.7.0 * @since 4.8.0 `$prepared_comment` can now be a WP_Error to short-circuit insertion. * * @param array|WP_Error $prepared_comment The prepared comment data for wp_insert_comment(). * @param WP_REST_Request $request Request used to insert the comment. */ $prepared_comment = apply_filters( 'rest_pre_insert_comment', $prepared_comment, $request ); if ( is_wp_error( $prepared_comment ) ) { return $prepared_comment; } $comment_id = wp_insert_comment( wp_filter_comment( wp_slash( (array) $prepared_comment ) ) ); if ( ! $comment_id ) { return new WP_Error( 'rest_comment_failed_create', __( 'Creating comment failed.' ), array( 'status' => 500 ) ); } if ( isset( $request['status'] ) ) { $this->handle_status_param( $request['status'], $comment_id ); } $comment = get_comment( $comment_id ); /** * Fires after a comment is created or updated via the REST API. * * @since 4.7.0 * * @param WP_Comment $comment Inserted or updated comment object. * @param WP_REST_Request $request Request object. * @param bool $creating True when creating a comment, false * when updating. */ do_action( 'rest_insert_comment', $comment, $request, true ); $schema = $this->get_item_schema(); if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) { $meta_update = $this->meta->update_value( $request['meta'], $comment_id ); if ( is_wp_error( $meta_update ) ) { return $meta_update; } } $fields_update = $this->update_additional_fields_for_object( $comment, $request ); if ( is_wp_error( $fields_update ) ) { return $fields_update; } $context = current_user_can( 'moderate_comments' ) ? 'edit' : 'view'; $request->set_param( 'context', $context ); /** * Fires completely after a comment is created or updated via the REST API. * * @since 5.0.0 * * @param WP_Comment $comment Inserted or updated comment object. * @param WP_REST_Request $request Request object. * @param bool $creating True when creating a comment, false * when updating. */ do_action( 'rest_after_insert_comment', $comment, $request, true ); $response = $this->prepare_item_for_response( $comment, $request ); $response = rest_ensure_response( $response ); $response->set_status( 201 ); $response->header( 'Location', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment_id ) ) ); return $response; } /** * Checks if a given REST request has access to update a comment. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has access to update the item, error object otherwise. */ public function update_item_permissions_check( $request ) { $comment = $this->get_comment( $request['id'] ); if ( is_wp_error( $comment ) ) { return $comment; } if ( ! $this->check_edit_permission( $comment ) ) { return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to edit this comment.' ), array( 'status' => rest_authorization_required_code() ) ); } return true; } /** * Updates a comment. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or error object on failure. */ public function update_item( $request ) { $comment = $this->get_comment( $request['id'] ); if ( is_wp_error( $comment ) ) { return $comment; } $id = $comment->comment_ID; if ( isset( $request['type'] ) && get_comment_type( $id ) !== $request['type'] ) { return new WP_Error( 'rest_comment_invalid_type', __( 'Sorry, you are not allowed to change the comment type.' ), array( 'status' => 404 ) ); } $prepared_args = $this->prepare_item_for_database( $request ); if ( is_wp_error( $prepared_args ) ) { return $prepared_args; } if ( ! empty( $prepared_args['comment_post_ID'] ) ) { $post = get_post( $prepared_args['comment_post_ID'] ); if ( empty( $post ) ) { return new WP_Error( 'rest_comment_invalid_post_id', __( 'Invalid post ID.' ), array( 'status' => 403 ) ); } } if ( empty( $prepared_args ) && isset( $request['status'] ) ) { // Only the comment status is being changed. $change = $this->handle_status_param( $request['status'], $id ); if ( ! $change ) { return new WP_Error( 'rest_comment_failed_edit', __( 'Updating comment status failed.' ), array( 'status' => 500 ) ); } } elseif ( ! empty( $prepared_args ) ) { if ( is_wp_error( $prepared_args ) ) { return $prepared_args; } if ( isset( $prepared_args['comment_content'] ) && empty( $prepared_args['comment_content'] ) ) { return new WP_Error( 'rest_comment_content_invalid', __( 'Invalid comment content.' ), array( 'status' => 400 ) ); } $prepared_args['comment_ID'] = $id; $check_comment_lengths = wp_check_comment_data_max_lengths( $prepared_args ); if ( is_wp_error( $check_comment_lengths ) ) { $error_code = $check_comment_lengths->get_error_code(); return new WP_Error( $error_code, __( 'Comment field exceeds maximum length allowed.' ), array( 'status' => 400 ) ); } $updated = wp_update_comment( wp_slash( (array) $prepared_args ), true ); if ( is_wp_error( $updated ) ) { return new WP_Error( 'rest_comment_failed_edit', __( 'Updating comment failed.' ), array( 'status' => 500 ) ); } if ( isset( $request['status'] ) ) { $this->handle_status_param( $request['status'], $id ); } } $comment = get_comment( $id ); /** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php */ do_action( 'rest_insert_comment', $comment, $request, false ); $schema = $this->get_item_schema(); if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) { $meta_update = $this->meta->update_value( $request['meta'], $id ); if ( is_wp_error( $meta_update ) ) { return $meta_update; } } $fields_update = $this->update_additional_fields_for_object( $comment, $request ); if ( is_wp_error( $fields_update ) ) { return $fields_update; } $request->set_param( 'context', 'edit' ); /** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php */ do_action( 'rest_after_insert_comment', $comment, $request, false ); $response = $this->prepare_item_for_response( $comment, $request ); return rest_ensure_response( $response ); } /** * Checks if a given request has access to delete a comment. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has access to delete the item, error object otherwise. */ public function delete_item_permissions_check( $request ) { $comment = $this->get_comment( $request['id'] ); if ( is_wp_error( $comment ) ) { return $comment; } if ( ! $this->check_edit_permission( $comment ) ) { return new WP_Error( 'rest_cannot_delete', __( 'Sorry, you are not allowed to delete this comment.' ), array( 'status' => rest_authorization_required_code() ) ); } return true; } /** * Deletes a comment. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or error object on failure. */ public function delete_item( $request ) { $comment = $this->get_comment( $request['id'] ); if ( is_wp_error( $comment ) ) { return $comment; } $force = isset( $request['force'] ) ? (bool) $request['force'] : false; /** * Filters whether a comment can be trashed via the REST API. * * Return false to disable trash support for the comment. * * @since 4.7.0 * * @param bool $supports_trash Whether the comment supports trashing. * @param WP_Comment $comment The comment object being considered for trashing support. */ $supports_trash = apply_filters( 'rest_comment_trashable', ( EMPTY_TRASH_DAYS > 0 ), $comment ); $request->set_param( 'context', 'edit' ); if ( $force ) { $previous = $this->prepare_item_for_response( $comment, $request ); $result = wp_delete_comment( $comment->comment_ID, true ); $response = new WP_REST_Response(); $response->set_data( array( 'deleted' => true, 'previous' => $previous->get_data(), ) ); } else { // If this type doesn't support trashing, error out. if ( ! $supports_trash ) { return new WP_Error( 'rest_trash_not_supported', /* translators: %s: force=true */ sprintf( __( "The comment does not support trashing. Set '%s' to delete." ), 'force=true' ), array( 'status' => 501 ) ); } if ( 'trash' === $comment->comment_approved ) { return new WP_Error( 'rest_already_trashed', __( 'The comment has already been trashed.' ), array( 'status' => 410 ) ); } $result = wp_trash_comment( $comment->comment_ID ); $comment = get_comment( $comment->comment_ID ); $response = $this->prepare_item_for_response( $comment, $request ); } if ( ! $result ) { return new WP_Error( 'rest_cannot_delete', __( 'The comment cannot be deleted.' ), array( 'status' => 500 ) ); } /** * Fires after a comment is deleted via the REST API. * * @since 4.7.0 * * @param WP_Comment $comment The deleted comment data. * @param WP_REST_Response $response The response returned from the API. * @param WP_REST_Request $request The request sent to the API. */ do_action( 'rest_delete_comment', $comment, $response, $request ); return $response; } /** * Prepares a single comment output for response. * * @since 4.7.0 * @since 5.9.0 Renamed `$comment` to `$item` to match parent class for PHP 8 named parameter support. * * @param WP_Comment $item Comment object. * @param WP_REST_Request $request Request object. * @return WP_REST_Response Response object. */ public function prepare_item_for_response( $item, $request ) { // Restores the more descriptive, specific name for use within this method. $comment = $item; $fields = $this->get_fields_for_response( $request ); $data = array(); if ( in_array( 'id', $fields, true ) ) { $data['id'] = (int) $comment->comment_ID; } if ( in_array( 'post', $fields, true ) ) { $data['post'] = (int) $comment->comment_post_ID; } if ( in_array( 'parent', $fields, true ) ) { $data['parent'] = (int) $comment->comment_parent; } if ( in_array( 'author', $fields, true ) ) { $data['author'] = (int) $comment->user_id; } if ( in_array( 'author_name', $fields, true ) ) { $data['author_name'] = $comment->comment_author; } if ( in_array( 'author_email', $fields, true ) ) { $data['author_email'] = $comment->comment_author_email; } if ( in_array( 'author_url', $fields, true ) ) { $data['author_url'] = $comment->comment_author_url; } if ( in_array( 'author_ip', $fields, true ) ) { $data['author_ip'] = $comment->comment_author_IP; } if ( in_array( 'author_user_agent', $fields, true ) ) { $data['author_user_agent'] = $comment->comment_agent; } if ( in_array( 'date', $fields, true ) ) { $data['date'] = mysql_to_rfc3339( $comment->comment_date ); } if ( in_array( 'date_gmt', $fields, true ) ) { $data['date_gmt'] = mysql_to_rfc3339( $comment->comment_date_gmt ); } if ( in_array( 'content', $fields, true ) ) { $data['content'] = array( /** This filter is documented in wp-includes/comment-template.php */ 'rendered' => apply_filters( 'comment_text', $comment->comment_content, $comment, array() ), 'raw' => $comment->comment_content, ); } if ( in_array( 'link', $fields, true ) ) { $data['link'] = get_comment_link( $comment ); } if ( in_array( 'status', $fields, true ) ) { $data['status'] = $this->prepare_status_response( $comment->comment_approved ); } if ( in_array( 'type', $fields, true ) ) { $data['type'] = get_comment_type( $comment->comment_ID ); } if ( in_array( 'author_avatar_urls', $fields, true ) ) { $data['author_avatar_urls'] = rest_get_avatar_urls( $comment ); } if ( in_array( 'meta', $fields, true ) ) { $data['meta'] = $this->meta->get_value( $comment->comment_ID, $request ); } $context = ! empty( $request['context'] ) ? $request['context'] : 'view'; $data = $this->add_additional_fields_to_object( $data, $request ); $data = $this->filter_response_by_context( $data, $context ); // Wrap the data in a response object. $response = rest_ensure_response( $data ); if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) { $response->add_links( $this->prepare_links( $comment ) ); } /** * Filters a comment returned from the REST API. * * Allows modification of the comment right before it is returned. * * @since 4.7.0 * * @param WP_REST_Response $response The response object. * @param WP_Comment $comment The original comment object. * @param WP_REST_Request $request Request used to generate the response. */ return apply_filters( 'rest_prepare_comment', $response, $comment, $request ); } /** * Prepares links for the request. * * @since 4.7.0 * * @param WP_Comment $comment Comment object. * @return array Links for the given comment. */ protected function prepare_links( $comment ) { $links = array( 'self' => array( 'href' => rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment->comment_ID ) ), ), 'collection' => array( 'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ), ), ); if ( 0 !== (int) $comment->user_id ) { $links['author'] = array( 'href' => rest_url( 'wp/v2/users/' . $comment->user_id ), 'embeddable' => true, ); } if ( 0 !== (int) $comment->comment_post_ID ) { $post = get_post( $comment->comment_post_ID ); $post_route = rest_get_route_for_post( $post ); if ( ! empty( $post->ID ) && $post_route ) { $links['up'] = array( 'href' => rest_url( $post_route ), 'embeddable' => true, 'post_type' => $post->post_type, ); } } if ( 0 !== (int) $comment->comment_parent ) { $links['in-reply-to'] = array( 'href' => rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment->comment_parent ) ), 'embeddable' => true, ); } // Only grab one comment to verify the comment has children. $comment_children = $comment->get_children( array( 'count' => true, 'orderby' => 'none', ) ); if ( ! empty( $comment_children ) ) { $args = array( 'parent' => $comment->comment_ID, ); $rest_url = add_query_arg( $args, rest_url( $this->namespace . '/' . $this->rest_base ) ); $links['children'] = array( 'href' => $rest_url, 'embeddable' => true, ); } return $links; } /** * Prepends internal property prefix to query parameters to match our response fields. * * @since 4.7.0 * * @param string $query_param Query parameter. * @return string The normalized query parameter. */ protected function normalize_query_param( $query_param ) { $prefix = 'comment_'; switch ( $query_param ) { case 'id': $normalized = $prefix . 'ID'; break; case 'post': $normalized = $prefix . 'post_ID'; break; case 'parent': $normalized = $prefix . 'parent'; break; case 'include': $normalized = 'comment__in'; break; default: $normalized = $prefix . $query_param; break; } return $normalized; } /** * Checks comment_approved to set comment status for single comment output. * * @since 4.7.0 * * @param string|int $comment_approved comment status. * @return string Comment status. */ protected function prepare_status_response( $comment_approved ) { switch ( $comment_approved ) { case 'hold': case '0': $status = 'hold'; break; case 'approve': case '1': $status = 'approved'; break; case 'spam': case 'trash': default: $status = $comment_approved; break; } return $status; } /** * Prepares a single comment to be inserted into the database. * * @since 4.7.0 * * @param WP_REST_Request $request Request object. * @return array|WP_Error Prepared comment, otherwise WP_Error object. */ protected function prepare_item_for_database( $request ) { $prepared_comment = array(); /* * Allow the comment_content to be set via the 'content' or * the 'content.raw' properties of the Request object. */ if ( isset( $request['content'] ) && is_string( $request['content'] ) ) { $prepared_comment['comment_content'] = trim( $request['content'] ); } elseif ( isset( $request['content']['raw'] ) && is_string( $request['content']['raw'] ) ) { $prepared_comment['comment_content'] = trim( $request['content']['raw'] ); } if ( isset( $request['post'] ) ) { $prepared_comment['comment_post_ID'] = (int) $request['post']; } if ( isset( $request['parent'] ) ) { $prepared_comment['comment_parent'] = $request['parent']; } if ( isset( $request['author'] ) ) { $user = new WP_User( $request['author'] ); if ( $user->exists() ) { $prepared_comment['user_id'] = $user->ID; $prepared_comment['comment_author'] = $user->display_name; $prepared_comment['comment_author_email'] = $user->user_email; $prepared_comment['comment_author_url'] = $user->user_url; } else { return new WP_Error( 'rest_comment_author_invalid', __( 'Invalid comment author ID.' ), array( 'status' => 400 ) ); } } if ( isset( $request['author_name'] ) ) { $prepared_comment['comment_author'] = $request['author_name']; } if ( isset( $request['author_email'] ) ) { $prepared_comment['comment_author_email'] = $request['author_email']; } if ( isset( $request['author_url'] ) ) { $prepared_comment['comment_author_url'] = $request['author_url']; } if ( isset( $request['author_ip'] ) && current_user_can( 'moderate_comments' ) ) { $prepared_comment['comment_author_IP'] = $request['author_ip']; } elseif ( ! empty( $_SERVER['REMOTE_ADDR'] ) && rest_is_ip_address( $_SERVER['REMOTE_ADDR'] ) ) { $prepared_comment['comment_author_IP'] = $_SERVER['REMOTE_ADDR']; } else { $prepared_comment['comment_author_IP'] = '127.0.0.1'; } if ( ! empty( $request['author_user_agent'] ) ) { $prepared_comment['comment_agent'] = $request['author_user_agent']; } elseif ( $request->get_header( 'user_agent' ) ) { $prepared_comment['comment_agent'] = $request->get_header( 'user_agent' ); } if ( ! empty( $request['date'] ) ) { $date_data = rest_get_date_with_gmt( $request['date'] ); if ( ! empty( $date_data ) ) { list( $prepared_comment['comment_date'], $prepared_comment['comment_date_gmt'] ) = $date_data; } } elseif ( ! empty( $request['date_gmt'] ) ) { $date_data = rest_get_date_with_gmt( $request['date_gmt'], true ); if ( ! empty( $date_data ) ) { list( $prepared_comment['comment_date'], $prepared_comment['comment_date_gmt'] ) = $date_data; } } /** * Filters a comment added via the REST API after it is prepared for insertion into the database. * * Allows modification of the comment right after it is prepared for the database. * * @since 4.7.0 * * @param array $prepared_comment The prepared comment data for `wp_insert_comment`. * @param WP_REST_Request $request The current request. */ return apply_filters( 'rest_preprocess_comment', $prepared_comment, $request ); } /** * Retrieves the comment's schema, conforming to JSON Schema. * * @since 4.7.0 * * @return array */ public function get_item_schema() { if ( $this->schema ) { return $this->add_additional_fields_schema( $this->schema ); } $schema = array( '$schema' => 'http://json-schema.org/draft-04/schema#', 'title' => 'comment', 'type' => 'object', 'properties' => array( 'id' => array( 'description' => __( 'Unique identifier for the comment.' ), 'type' => 'integer', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'author' => array( 'description' => __( 'The ID of the user object, if author was a user.' ), 'type' => 'integer', 'context' => array( 'view', 'edit', 'embed' ), ), 'author_email' => array( 'description' => __( 'Email address for the comment author.' ), 'type' => 'string', 'format' => 'email', 'context' => array( 'edit' ), 'arg_options' => array( 'sanitize_callback' => array( $this, 'check_comment_author_email' ), 'validate_callback' => null, // Skip built-in validation of 'email'. ), ), 'author_ip' => array( 'description' => __( 'IP address for the comment author.' ), 'type' => 'string', 'format' => 'ip', 'context' => array( 'edit' ), ), 'author_name' => array( 'description' => __( 'Display name for the comment author.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'author_url' => array( 'description' => __( 'URL for the comment author.' ), 'type' => 'string', 'format' => 'uri', 'context' => array( 'view', 'edit', 'embed' ), ), 'author_user_agent' => array( 'description' => __( 'User agent for the comment author.' ), 'type' => 'string', 'context' => array( 'edit' ), 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'content' => array( 'description' => __( 'The content for the comment.' ), 'type' => 'object', 'context' => array( 'view', 'edit', 'embed' ), 'arg_options' => array( 'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database(). 'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database(). ), 'properties' => array( 'raw' => array( 'description' => __( 'Content for the comment, as it exists in the database.' ), 'type' => 'string', 'context' => array( 'edit' ), ), 'rendered' => array( 'description' => __( 'HTML content for the comment, transformed for display.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), ), ), 'date' => array( 'description' => __( "The date the comment was published, in the site's timezone." ), 'type' => 'string', 'format' => 'date-time', 'context' => array( 'view', 'edit', 'embed' ), ), 'date_gmt' => array( 'description' => __( 'The date the comment was published, as GMT.' ), 'type' => 'string', 'format' => 'date-time', 'context' => array( 'view', 'edit' ), ), 'link' => array( 'description' => __( 'URL to the comment.' ), 'type' => 'string', 'format' => 'uri', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'parent' => array( 'description' => __( 'The ID for the parent of the comment.' ), 'type' => 'integer', 'context' => array( 'view', 'edit', 'embed' ), 'default' => 0, ), 'post' => array( 'description' => __( 'The ID of the associated post object.' ), 'type' => 'integer', 'context' => array( 'view', 'edit' ), 'default' => 0, ), 'status' => array( 'description' => __( 'State of the comment.' ), 'type' => 'string', 'context' => array( 'view', 'edit' ), 'arg_options' => array( 'sanitize_callback' => 'sanitize_key', ), ), 'type' => array( 'description' => __( 'Type of the comment.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), ), ); if ( get_option( 'show_avatars' ) ) { $avatar_properties = array(); $avatar_sizes = rest_get_avatar_sizes(); foreach ( $avatar_sizes as $size ) { $avatar_properties[ $size ] = array( /* translators: %d: Avatar image size in pixels. */ 'description' => sprintf( __( 'Avatar URL with image size of %d pixels.' ), $size ), 'type' => 'string', 'format' => 'uri', 'context' => array( 'embed', 'view', 'edit' ), ); } $schema['properties']['author_avatar_urls'] = array( 'description' => __( 'Avatar URLs for the comment author.' ), 'type' => 'object', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, 'properties' => $avatar_properties, ); } $schema['properties']['meta'] = $this->meta->get_field_schema(); $this->schema = $schema; return $this->add_additional_fields_schema( $this->schema ); } /** * Retrieves the query params for collections. * * @since 4.7.0 * * @return array Comments collection parameters. */ public function get_collection_params() { $query_params = parent::get_collection_params(); $query_params['context']['default'] = 'view'; $query_params['after'] = array( 'description' => __( 'Limit response to comments published after a given ISO8601 compliant date.' ), 'type' => 'string', 'format' => 'date-time', ); $query_params['author'] = array( 'description' => __( 'Limit result set to comments assigned to specific user IDs. Requires authorization.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), ); $query_params['author_exclude'] = array( 'description' => __( 'Ensure result set excludes comments assigned to specific user IDs. Requires authorization.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), ); $query_params['author_email'] = array( 'default' => null, 'description' => __( 'Limit result set to that from a specific author email. Requires authorization.' ), 'format' => 'email', 'type' => 'string', ); $query_params['before'] = array( 'description' => __( 'Limit response to comments published before a given ISO8601 compliant date.' ), 'type' => 'string', 'format' => 'date-time', ); $query_params['exclude'] = array( 'description' => __( 'Ensure result set excludes specific IDs.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), 'default' => array(), ); $query_params['include'] = array( 'description' => __( 'Limit result set to specific IDs.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), 'default' => array(), ); $query_params['offset'] = array( 'description' => __( 'Offset the result set by a specific number of items.' ), 'type' => 'integer', ); $query_params['order'] = array( 'description' => __( 'Order sort attribute ascending or descending.' ), 'type' => 'string', 'default' => 'desc', 'enum' => array( 'asc', 'desc', ), ); $query_params['orderby'] = array( 'description' => __( 'Sort collection by comment attribute.' ), 'type' => 'string', 'default' => 'date_gmt', 'enum' => array( 'date', 'date_gmt', 'id', 'include', 'post', 'parent', 'type', ), ); $query_params['parent'] = array( 'default' => array(), 'description' => __( 'Limit result set to comments of specific parent IDs.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), ); $query_params['parent_exclude'] = array( 'default' => array(), 'description' => __( 'Ensure result set excludes specific parent IDs.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), ); $query_params['post'] = array( 'default' => array(), 'description' => __( 'Limit result set to comments assigned to specific post IDs.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), ); $query_params['status'] = array( 'default' => 'approve', 'description' => __( 'Limit result set to comments assigned a specific status. Requires authorization.' ), 'sanitize_callback' => 'sanitize_key', 'type' => 'string', 'validate_callback' => 'rest_validate_request_arg', ); $query_params['type'] = array( 'default' => 'comment', 'description' => __( 'Limit result set to comments assigned a specific type. Requires authorization.' ), 'sanitize_callback' => 'sanitize_key', 'type' => 'string', 'validate_callback' => 'rest_validate_request_arg', ); $query_params['password'] = array( 'description' => __( 'The password for the post if it is password protected.' ), 'type' => 'string', ); /** * Filters REST API collection parameters for the comments controller. * * This filter registers the collection parameter, but does not map the * collection parameter to an internal WP_Comment_Query parameter. Use the * `rest_comment_query` filter to set WP_Comment_Query parameters. * * @since 4.7.0 * * @param array $query_params JSON Schema-formatted collection parameters. */ return apply_filters( 'rest_comment_collection_params', $query_params ); } /** * Sets the comment_status of a given comment object when creating or updating a comment. * * @since 4.7.0 * * @param string|int $new_status New comment status. * @param int $comment_id Comment ID. * @return bool Whether the status was changed. */ protected function handle_status_param( $new_status, $comment_id ) { $old_status = wp_get_comment_status( $comment_id ); if ( $new_status === $old_status ) { return false; } switch ( $new_status ) { case 'approved': case 'approve': case '1': $changed = wp_set_comment_status( $comment_id, 'approve' ); break; case 'hold': case '0': $changed = wp_set_comment_status( $comment_id, 'hold' ); break; case 'spam': $changed = wp_spam_comment( $comment_id ); break; case 'unspam': $changed = wp_unspam_comment( $comment_id ); break; case 'trash': $changed = wp_trash_comment( $comment_id ); break; case 'untrash': $changed = wp_untrash_comment( $comment_id ); break; default: $changed = false; break; } return $changed; } /** * Checks if the post can be read. * * Correctly handles posts with the inherit status. * * @since 4.7.0 * * @param WP_Post $post Post object. * @param WP_REST_Request $request Request data to check. * @return bool Whether post can be read. */ protected function check_read_post_permission( $post, $request ) { $post_type = get_post_type_object( $post->post_type ); // Return false if custom post type doesn't exist if ( ! $post_type ) { return false; } $posts_controller = $post_type->get_rest_controller(); /* * Ensure the posts controller is specifically a WP_REST_Posts_Controller instance * before using methods specific to that controller. */ if ( ! $posts_controller instanceof WP_REST_Posts_Controller ) { $posts_controller = new WP_REST_Posts_Controller( $post->post_type ); } $has_password_filter = false; // Only check password if a specific post was queried for or a single comment $requested_post = ! empty( $request['post'] ) && ( ! is_array( $request['post'] ) || 1 === count( $request['post'] ) ); $requested_comment = ! empty( $request['id'] ); if ( ( $requested_post || $requested_comment ) && $posts_controller->can_access_password_content( $post, $request ) ) { add_filter( 'post_password_required', '__return_false' ); $has_password_filter = true; } if ( post_password_required( $post ) ) { $result = current_user_can( 'edit_post', $post->ID ); } else { $result = $posts_controller->check_read_permission( $post ); } if ( $has_password_filter ) { remove_filter( 'post_password_required', '__return_false' ); } return $result; } /** * Checks if the comment can be read. * * @since 4.7.0 * * @param WP_Comment $comment Comment object. * @param WP_REST_Request $request Request data to check. * @return bool Whether the comment can be read. */ protected function check_read_permission( $comment, $request ) { if ( ! empty( $comment->comment_post_ID ) ) { $post = get_post( $comment->comment_post_ID ); if ( $post ) { if ( $this->check_read_post_permission( $post, $request ) && 1 === (int) $comment->comment_approved ) { return true; } } } if ( 0 === get_current_user_id() ) { return false; } if ( empty( $comment->comment_post_ID ) && ! current_user_can( 'moderate_comments' ) ) { return false; } if ( ! empty( $comment->user_id ) && get_current_user_id() === (int) $comment->user_id ) { return true; } return current_user_can( 'edit_comment', $comment->comment_ID ); } /** * Checks if a comment can be edited or deleted. * * @since 4.7.0 * * @param WP_Comment $comment Comment object. * @return bool Whether the comment can be edited or deleted. */ protected function check_edit_permission( $comment ) { if ( 0 === (int) get_current_user_id() ) { return false; } if ( current_user_can( 'moderate_comments' ) ) { return true; } return current_user_can( 'edit_comment', $comment->comment_ID ); } /** * Checks a comment author email for validity. * * Accepts either a valid email address or empty string as a valid comment * author email address. Setting the comment author email to an empty * string is allowed when a comment is being updated. * * @since 4.7.0 * * @param string $value Author email value submitted. * @param WP_REST_Request $request Full details about the request. * @param string $param The parameter name. * @return string|WP_Error The sanitized email address, if valid, * otherwise an error. */ public function check_comment_author_email( $value, $request, $param ) { $email = (string) $value; if ( empty( $email ) ) { return $email; } $check_email = rest_validate_request_arg( $email, $request, $param ); if ( is_wp_error( $check_email ) ) { return $check_email; } return $email; } /** * If empty comments are not allowed, checks if the provided comment content is not empty. * * @since 5.6.0 * * @param array $prepared_comment The prepared comment data. * @return bool True if the content is allowed, false otherwise. */ protected function check_is_comment_content_allowed( $prepared_comment ) { $check = wp_parse_args( $prepared_comment, array( 'comment_post_ID' => 0, 'comment_author' => null, 'comment_author_email' => null, 'comment_author_url' => null, 'comment_parent' => 0, 'user_id' => 0, ) ); /** This filter is documented in wp-includes/comment.php */ $allow_empty = apply_filters( 'allow_empty_comment', false, $check ); if ( $allow_empty ) { return true; } /* * Do not allow a comment to be created with missing or empty * comment_content. See wp_handle_comment_submission(). */ return '' !== $check['comment_content']; } } Unglaubliches_Geschick_und_chicken_road_meistern_um_dein_virtuelles_Huhn_sicher - Eluxhire

Eluxhire

Unglaubliches_Geschick_und_chicken_road_meistern_um_dein_virtuelles_Huhn_sicher

Unglaubliches Geschick und chicken road meistern, um dein virtuelles Huhn sicher zu führen

Die digitale Welt bietet unzählige Spiele und Herausforderungen, aber wenige sind so einfach und dennoch so fesselnd wie die klassische Aufgabe, ein Huhn sicher über eine vielbefahrene Straße zu führen. Dieses Spiel, oft einfach als „chicken road“ bezeichnet, ist ein Zeitvertreib, der seit Jahrzehnten Spieler aller Altersgruppen begeistert. Es erfordert schnelles Denken, präzise Timing und eine gehörige Portion Glück, um das Huhn erfolgreich ans andere Ufer zu bringen.

Die Popularität dieses Spiels rührt nicht nur von seiner Einfachheit her, sondern auch von der universellen Anziehungskraft des Konzepts. Jeder versteht die Herausforderung, eine gefährliche Umgebung zu überwinden, und das Spiel bietet eine unterhaltsame und stressfreie Möglichkeit, dieses Gefühl zu erleben. Es ist ein Spiel, das man immer wieder spielen kann, da jede Runde neue und unvorhersehbare Herausforderungen bietet. Die steigende Geschwindigkeit und das unvorhersehbare Verhalten des Verkehrs sorgen für einen hohen Wiederspielwert.

Die Kunst der Täuschung: Das Verhalten des Verkehrs verstehen

Um im „chicken road“-Spiel erfolgreich zu sein, ist es entscheidend, das Verhalten des Verkehrs zu verstehen. Die Autos fahren in der Regel mit konstanter Geschwindigkeit, aber es gibt immer wieder unerwartete Beschleunigungen oder Abbremsungen. Spieler müssen lernen, diese Muster zu erkennen und ihr Timing entsprechend anzupassen. Ein Beobachten der ersten Sekunden ist oft sehr hilfreich, um ein Gefühl für das Verkehrsaufkommen und die Geschwindigkeit der Fahrzeuge zu bekommen. Es ist wichtig, nicht zu übermütig zu sein und lieber einen Moment länger zu warten, bevor man sich in den Weg eines Autos begibt. Das ständige Hin und Her zwischen den Fahrspuren kann ebenfalls eine effektive Strategie sein, um den Verkehr zu verwirren und sich so einen Vorteil zu verschaffen.

Strategien für Fortgeschrittene: Wann man rennt und wann man wartet

Erfahrene Spieler wissen, dass es nicht immer am besten ist, direkt auf das nächste Hindernis zuzurennen. Manchmal ist es klüger, abzuwarten und auf eine günstige Gelegenheit zu warten. Das bedeutet, die Lücken im Verkehr genau zu beobachten und zu antizipieren, wann sich eine sichere Passage bietet. Die Fähigkeit, die Geschwindigkeit der Autos richtig einzuschätzen, ist hierbei von entscheidender Bedeutung. Ein schneller Sprint kann zwar erfolgreich sein, aber ein falsch getimter Lauf kann auch das Ende bedeuten. Das Spiel belohnt Geduld und Präzision mehr als blindes Glück.

Strategie Beschreibung Risiko Erfolgschance
Direkter Sprint Schnelles Überqueren einer einzelnen Fahrspur Hoch Mittel
Pendeln Hin- und Herlaufen zwischen den Fahrspuren Mittel Hoch
Abwarten Geduldig auf eine größere Lücke im Verkehr warten Niedrig Sehr Hoch
Risikobereitschaft Mutwilliges Laufen in den Verkehr mit dem Ziel, knapp zu entkommen Sehr Hoch Niedrig

Die obige Tabelle zeigt verschiedene Strategien, die ein Spieler anwenden kann, um erfolgreich über die Straße zu gelangen. Die Wahl der richtigen Strategie hängt von der aktuellen Verkehrssituation und dem Risikobereitschaft des Spielers ab.

Die Bedeutung von Reaktionsgeschwindigkeit und Präzision

Die Reaktionsgeschwindigkeit ist ein entscheidender Faktor im „chicken road“-Spiel. Die Autos bewegen sich schnell, und es bleibt nur wenig Zeit, um zu reagieren. Spieler müssen in der Lage sein, schnell Entscheidungen zu treffen und ihre Aktionen präzise auszuführen. Dies erfordert eine gute Hand-Augen-Koordination und die Fähigkeit, sich auf das Spiel zu konzentrieren. Ablenkungen können schnell zu Fehlern und einem Spielende führen. Es ist wichtig, eine ruhige und konzentrierte Umgebung zu schaffen, um die bestmögliche Leistung zu erzielen. Regelmäßiges Spielen kann die Reaktionszeit und die Präzision verbessern.

Verbesserung der Reaktionsgeschwindigkeit: Übung macht den Meister

Wie bei jeder Fähigkeit kann auch die Reaktionsgeschwindigkeit durch Übung verbessert werden. Es gibt eine Vielzahl von Online-Spielen und Übungen, die speziell darauf ausgelegt sind, die Reaktionszeit zu trainieren. Darüber hinaus kann auch das Spielen von „chicken road“ selbst dazu beitragen, die Reaktionsgeschwindigkeit zu verbessern. Es ist wichtig, sich realistische Ziele zu setzen und sich nicht entmutigen zu lassen, wenn man am Anfang noch Fehler macht. Mit Geduld und Ausdauer kann jeder seine Reaktionsgeschwindigkeit verbessern und im Spiel erfolgreicher werden.

  • Regelmäßig spielen, um das Timing zu verbessern.
  • Konzentrationsübungen durchführen, um die Aufmerksamkeit zu schärfen.
  • Auf eine ergonomische Spielumgebung achten, um Verspannungen zu vermeiden.
  • Pausen einlegen, um die Reaktionsfähigkeit aufrechtzuerhalten.
  • Verschiedene Schwierigkeitsgrade ausprobieren, um sich herauszufordern.

Die oben genannten Punkte sind hilfreiche Tipps, um die eigenen Fähigkeiten im Spiel zu verbessern und somit langfristig erfolgreicher zu sein. Es ist wichtig, diese Tipps zu beherzigen und regelmäßig zu üben, um die bestmögliche Leistung zu erzielen.

Die Psychologie hinter dem Spiel: Warum wir es lieben, Risiken einzugehen

Das „chicken road“-Spiel spricht eine tief verwurzelte menschliche Neigung an: das Eingehen von Risiken. Wir sind von Natur aus neugierig und suchen nach Herausforderungen. Das Spiel bietet uns eine sichere und kontrollierte Umgebung, um Risiken einzugehen, ohne echte Konsequenzen tragen zu müssen. Das Gefühl, eine gefährliche Situation überstanden zu haben, löst ein angenehmes Gefühl der Erleichterung und des Stolzes aus. Dieses Gefühl verstärkt unsere Motivation, das Spiel immer wieder zu spielen und neue Herausforderungen anzunehmen. Es ist auch ein Spiel, das unsere Fähigkeit zur Problemlösung und strategischen Planung fördert.

Die Rolle des Dopamins: Der Glücks-Neurotransmitter

Jedes Mal, wenn wir eine Herausforderung im Spiel meistern, wird in unserem Gehirn Dopamin freigesetzt. Dopamin ist ein Neurotransmitter, der mit Glücksgefühlen, Motivation und Belohnung in Verbindung gebracht wird. Das Spiel nutzt diesen Mechanismus, um uns süchtig zu machen. Wir wollen immer wieder das gleiche Glücksgefühl erleben, das wir empfinden, wenn wir erfolgreich sind. Es ist wichtig, sich dieser psychologischen Mechanismen bewusst zu sein, um ein gesundes Gleichgewicht zwischen Spielen und anderen Aktivitäten zu finden.

  1. Dopamin wird bei Erfolg freigesetzt, was zur Motivation führt.
  2. Das Spiel bietet eine sichere Umgebung für das Eingehen von Risiken.
  3. Die Herausforderung, eine gefährliche Situation zu meistern, löst Glücksgefühle aus.
  4. Regelmäßiges Spielen kann die Reaktionszeit und das strategische Denken verbessern.
  5. Die Einfachheit des Spiels macht es für Spieler aller Altersgruppen zugänglich.

Diese Liste verdeutlicht die verschiedenen Aspekte, die das Spiel so fesselnd machen und warum es seit Jahrzehnten eine treue Fangemeinde hat.

Variationen und Weiterentwicklungen des „chicken road“-Konzepts

Das ursprüngliche „chicken road“-Konzept hat im Laufe der Jahre zu einer Vielzahl von Variationen und Weiterentwicklungen geführt. Es gibt Versionen mit unterschiedlichen Grafiken, Musik und Spielmechaniken. Einige Versionen bieten zusätzliche Herausforderungen, wie z. B. das Sammeln von Gegenständen oder das Vermeiden von Hindernissen. Es gibt sogar Multiplayer-Versionen, in denen Spieler gegeneinander antreten können. Diese Variationen halten das Spiel frisch und interessant und sprechen ein breiteres Publikum an. Das ursprüngliche Spielprinzip bleibt jedoch in der Regel erhalten.

Die Zukunft des digitalen Hühnerüberquerens: Virtuelle Realität und darüber hinaus

Mit dem Aufkommen neuer Technologien wie Virtual Reality (VR) und Augmented Reality (AR) eröffnen sich aufregende neue Möglichkeiten für das „chicken road“-Spiel. Stellen Sie sich vor, Sie würden tatsächlich auf einer virtuellen Straße stehen und ein Huhn über die Fahrbahn führen, während Autos an Ihnen vorbeirasen. VR könnte ein immersives und aufregendes Spielerlebnis bieten, das die Grenzen zwischen Realität und Spiel verschwimmen lässt. AR könnte das Spiel in Ihre reale Umgebung integrieren, sodass Sie das Huhn über Ihre eigene Straße führen können. Die Zukunft des digitalen Hühnerüberquerens ist rosig, und wir können gespannt sein, welche Innovationen uns noch erwarten.