/** * REST API: WP_REST_Attachments_Controller class * * @package WordPress * @subpackage REST_API * @since 4.7.0 */ /** * Core controller used to access attachments via the REST API. * * @since 4.7.0 * * @see WP_REST_Posts_Controller */ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller { /** * Whether the controller supports batching. * * @since 5.9.0 * @var false */ protected $allow_batch = false; /** * Registers the routes for attachments. * * @since 5.3.0 * * @see register_rest_route() */ public function register_routes() { parent::register_routes(); register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P[\d]+)/post-process', array( 'methods' => WP_REST_Server::CREATABLE, 'callback' => array( $this, 'post_process_item' ), 'permission_callback' => array( $this, 'post_process_item_permissions_check' ), 'args' => array( 'id' => array( 'description' => __( 'Unique identifier for the attachment.' ), 'type' => 'integer', ), 'action' => array( 'type' => 'string', 'enum' => array( 'create-image-subsizes' ), 'required' => true, ), ), ) ); register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P[\d]+)/edit', array( 'methods' => WP_REST_Server::CREATABLE, 'callback' => array( $this, 'edit_media_item' ), 'permission_callback' => array( $this, 'edit_media_item_permissions_check' ), 'args' => $this->get_edit_media_item_args(), ) ); } /** * Determines the allowed query_vars for a get_items() response and * prepares for WP_Query. * * @since 4.7.0 * * @param array $prepared_args Optional. Array of prepared arguments. Default empty array. * @param WP_REST_Request $request Optional. Request to prepare items for. * @return array Array of query arguments. */ protected function prepare_items_query( $prepared_args = array(), $request = null ) { $query_args = parent::prepare_items_query( $prepared_args, $request ); if ( empty( $query_args['post_status'] ) ) { $query_args['post_status'] = 'inherit'; } $media_types = $this->get_media_types(); if ( ! empty( $request['media_type'] ) && isset( $media_types[ $request['media_type'] ] ) ) { $query_args['post_mime_type'] = $media_types[ $request['media_type'] ]; } if ( ! empty( $request['mime_type'] ) ) { $parts = explode( '/', $request['mime_type'] ); if ( isset( $media_types[ $parts[0] ] ) && in_array( $request['mime_type'], $media_types[ $parts[0] ], true ) ) { $query_args['post_mime_type'] = $request['mime_type']; } } // Filter query clauses to include filenames. if ( isset( $query_args['s'] ) ) { add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' ); } return $query_args; } /** * Checks if a given request has access to create an attachment. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error Boolean true if the attachment may be created, or a WP_Error if not. */ public function create_item_permissions_check( $request ) { $ret = parent::create_item_permissions_check( $request ); if ( ! $ret || is_wp_error( $ret ) ) { return $ret; } if ( ! current_user_can( 'upload_files' ) ) { return new WP_Error( 'rest_cannot_create', __( 'Sorry, you are not allowed to upload media on this site.' ), array( 'status' => 400 ) ); } // Attaching media to a post requires ability to edit said post. if ( ! empty( $request['post'] ) && ! current_user_can( 'edit_post', (int) $request['post'] ) ) { return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to upload media to this post.' ), array( 'status' => rest_authorization_required_code() ) ); } return true; } /** * Creates a single attachment. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure. */ public function create_item( $request ) { if ( ! empty( $request['post'] ) && in_array( get_post_type( $request['post'] ), array( 'revision', 'attachment' ), true ) ) { return new WP_Error( 'rest_invalid_param', __( 'Invalid parent type.' ), array( 'status' => 400 ) ); } $insert = $this->insert_attachment( $request ); if ( is_wp_error( $insert ) ) { return $insert; } $schema = $this->get_item_schema(); // Extract by name. $attachment_id = $insert['attachment_id']; $file = $insert['file']; if ( isset( $request['alt_text'] ) ) { update_post_meta( $attachment_id, '_wp_attachment_image_alt', sanitize_text_field( $request['alt_text'] ) ); } if ( ! empty( $schema['properties']['featured_media'] ) && isset( $request['featured_media'] ) ) { $thumbnail_update = $this->handle_featured_media( $request['featured_media'], $attachment_id ); if ( is_wp_error( $thumbnail_update ) ) { return $thumbnail_update; } } if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) { $meta_update = $this->meta->update_value( $request['meta'], $attachment_id ); if ( is_wp_error( $meta_update ) ) { return $meta_update; } } $attachment = get_post( $attachment_id ); $fields_update = $this->update_additional_fields_for_object( $attachment, $request ); if ( is_wp_error( $fields_update ) ) { return $fields_update; } $terms_update = $this->handle_terms( $attachment_id, $request ); if ( is_wp_error( $terms_update ) ) { return $terms_update; } $request->set_param( 'context', 'edit' ); /** * Fires after a single attachment is completely created or updated via the REST API. * * @since 5.0.0 * * @param WP_Post $attachment Inserted or updated attachment object. * @param WP_REST_Request $request Request object. * @param bool $creating True when creating an attachment, false when updating. */ do_action( 'rest_after_insert_attachment', $attachment, $request, true ); wp_after_insert_post( $attachment, false, null ); if ( wp_is_serving_rest_request() ) { /* * Set a custom header with the attachment_id. * Used by the browser/client to resume creating image sub-sizes after a PHP fatal error. */ header( 'X-WP-Upload-Attachment-ID: ' . $attachment_id ); } // Include media and image functions to get access to wp_generate_attachment_metadata(). require_once ABSPATH . 'wp-admin/includes/media.php'; require_once ABSPATH . 'wp-admin/includes/image.php'; /* * Post-process the upload (create image sub-sizes, make PDF thumbnails, etc.) and insert attachment meta. * At this point the server may run out of resources and post-processing of uploaded images may fail. */ wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) ); $response = $this->prepare_item_for_response( $attachment, $request ); $response = rest_ensure_response( $response ); $response->set_status( 201 ); $response->header( 'Location', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $attachment_id ) ) ); return $response; } /** * Inserts the attachment post in the database. Does not update the attachment meta. * * @since 5.3.0 * * @param WP_REST_Request $request * @return array|WP_Error */ protected function insert_attachment( $request ) { // Get the file via $_FILES or raw data. $files = $request->get_file_params(); $headers = $request->get_headers(); $time = null; // Matches logic in media_handle_upload(). if ( ! empty( $request['post'] ) ) { $post = get_post( $request['post'] ); // The post date doesn't usually matter for pages, so don't backdate this upload. if ( $post && 'page' !== $post->post_type && substr( $post->post_date, 0, 4 ) > 0 ) { $time = $post->post_date; } } if ( ! empty( $files ) ) { $file = $this->upload_from_file( $files, $headers, $time ); } else { $file = $this->upload_from_data( $request->get_body(), $headers, $time ); } if ( is_wp_error( $file ) ) { return $file; } $name = wp_basename( $file['file'] ); $name_parts = pathinfo( $name ); $name = trim( substr( $name, 0, -( 1 + strlen( $name_parts['extension'] ) ) ) ); $url = $file['url']; $type = $file['type']; $file = $file['file']; // Include image functions to get access to wp_read_image_metadata(). require_once ABSPATH . 'wp-admin/includes/image.php'; // Use image exif/iptc data for title and caption defaults if possible. $image_meta = wp_read_image_metadata( $file ); if ( ! empty( $image_meta ) ) { if ( empty( $request['title'] ) && trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) { $request['title'] = $image_meta['title']; } if ( empty( $request['caption'] ) && trim( $image_meta['caption'] ) ) { $request['caption'] = $image_meta['caption']; } } $attachment = $this->prepare_item_for_database( $request ); $attachment->post_mime_type = $type; $attachment->guid = $url; // If the title was not set, use the original filename. if ( empty( $attachment->post_title ) && ! empty( $files['file']['name'] ) ) { // Remove the file extension (after the last `.`) $tmp_title = substr( $files['file']['name'], 0, strrpos( $files['file']['name'], '.' ) ); if ( ! empty( $tmp_title ) ) { $attachment->post_title = $tmp_title; } } // Fall back to the original approach. if ( empty( $attachment->post_title ) ) { $attachment->post_title = preg_replace( '/\.[^.]+$/', '', wp_basename( $file ) ); } // $post_parent is inherited from $attachment['post_parent']. $id = wp_insert_attachment( wp_slash( (array) $attachment ), $file, 0, true, false ); if ( is_wp_error( $id ) ) { if ( 'db_update_error' === $id->get_error_code() ) { $id->add_data( array( 'status' => 500 ) ); } else { $id->add_data( array( 'status' => 400 ) ); } return $id; } $attachment = get_post( $id ); /** * Fires after a single attachment is created or updated via the REST API. * * @since 4.7.0 * * @param WP_Post $attachment Inserted or updated attachment * object. * @param WP_REST_Request $request The request sent to the API. * @param bool $creating True when creating an attachment, false when updating. */ do_action( 'rest_insert_attachment', $attachment, $request, true ); return array( 'attachment_id' => $id, 'file' => $file, ); } /** * Determines the featured media based on a request param. * * @since 6.5.0 * * @param int $featured_media Featured Media ID. * @param int $post_id Post ID. * @return bool|WP_Error Whether the post thumbnail was successfully deleted, otherwise WP_Error. */ protected function handle_featured_media( $featured_media, $post_id ) { $post_type = get_post_type( $post_id ); $thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' ); // Similar check as in wp_insert_post(). if ( ! $thumbnail_support && get_post_mime_type( $post_id ) ) { if ( wp_attachment_is( 'audio', $post_id ) ) { $thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' ); } elseif ( wp_attachment_is( 'video', $post_id ) ) { $thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' ); } } if ( $thumbnail_support ) { return parent::handle_featured_media( $featured_media, $post_id ); } return new WP_Error( 'rest_no_featured_media', sprintf( /* translators: %s: attachment mime type */ __( 'This site does not support post thumbnails on attachments with MIME type %s.' ), get_post_mime_type( $post_id ) ), array( 'status' => 400 ) ); } /** * Updates a single attachment. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure. */ public function update_item( $request ) { if ( ! empty( $request['post'] ) && in_array( get_post_type( $request['post'] ), array( 'revision', 'attachment' ), true ) ) { return new WP_Error( 'rest_invalid_param', __( 'Invalid parent type.' ), array( 'status' => 400 ) ); } $attachment_before = get_post( $request['id'] ); $response = parent::update_item( $request ); if ( is_wp_error( $response ) ) { return $response; } $response = rest_ensure_response( $response ); $data = $response->get_data(); if ( isset( $request['alt_text'] ) ) { update_post_meta( $data['id'], '_wp_attachment_image_alt', $request['alt_text'] ); } $attachment = get_post( $request['id'] ); if ( ! empty( $schema['properties']['featured_media'] ) && isset( $request['featured_media'] ) ) { $thumbnail_update = $this->handle_featured_media( $request['featured_media'], $attachment->ID ); if ( is_wp_error( $thumbnail_update ) ) { return $thumbnail_update; } } $fields_update = $this->update_additional_fields_for_object( $attachment, $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-attachments-controller.php */ do_action( 'rest_after_insert_attachment', $attachment, $request, false ); wp_after_insert_post( $attachment, true, $attachment_before ); $response = $this->prepare_item_for_response( $attachment, $request ); $response = rest_ensure_response( $response ); return $response; } /** * Performs post processing on an attachment. * * @since 5.3.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure. */ public function post_process_item( $request ) { switch ( $request['action'] ) { case 'create-image-subsizes': require_once ABSPATH . 'wp-admin/includes/image.php'; wp_update_image_subsizes( $request['id'] ); break; } $request['context'] = 'edit'; return $this->prepare_item_for_response( get_post( $request['id'] ), $request ); } /** * Checks if a given request can perform post processing on an attachment. * * @since 5.3.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has access to update the item, WP_Error object otherwise. */ public function post_process_item_permissions_check( $request ) { return $this->update_item_permissions_check( $request ); } /** * Checks if a given request has access to editing media. * * @since 5.5.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public function edit_media_item_permissions_check( $request ) { if ( ! current_user_can( 'upload_files' ) ) { return new WP_Error( 'rest_cannot_edit_image', __( 'Sorry, you are not allowed to upload media on this site.' ), array( 'status' => rest_authorization_required_code() ) ); } return $this->update_item_permissions_check( $request ); } /** * Applies edits to a media item and creates a new attachment record. * * @since 5.5.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure. */ public function edit_media_item( $request ) { require_once ABSPATH . 'wp-admin/includes/image.php'; $attachment_id = $request['id']; // This also confirms the attachment is an image. $image_file = wp_get_original_image_path( $attachment_id ); $image_meta = wp_get_attachment_metadata( $attachment_id ); if ( ! $image_meta || ! $image_file || ! wp_image_file_matches_image_meta( $request['src'], $image_meta, $attachment_id ) ) { return new WP_Error( 'rest_unknown_attachment', __( 'Unable to get meta information for file.' ), array( 'status' => 404 ) ); } $supported_types = array( 'image/jpeg', 'image/png', 'image/gif', 'image/webp', 'image/avif' ); $mime_type = get_post_mime_type( $attachment_id ); if ( ! in_array( $mime_type, $supported_types, true ) ) { return new WP_Error( 'rest_cannot_edit_file_type', __( 'This type of file cannot be edited.' ), array( 'status' => 400 ) ); } // The `modifiers` param takes precedence over the older format. if ( isset( $request['modifiers'] ) ) { $modifiers = $request['modifiers']; } else { $modifiers = array(); if ( ! empty( $request['rotation'] ) ) { $modifiers[] = array( 'type' => 'rotate', 'args' => array( 'angle' => $request['rotation'], ), ); } if ( isset( $request['x'], $request['y'], $request['width'], $request['height'] ) ) { $modifiers[] = array( 'type' => 'crop', 'args' => array( 'left' => $request['x'], 'top' => $request['y'], 'width' => $request['width'], 'height' => $request['height'], ), ); } if ( 0 === count( $modifiers ) ) { return new WP_Error( 'rest_image_not_edited', __( 'The image was not edited. Edit the image before applying the changes.' ), array( 'status' => 400 ) ); } } /* * If the file doesn't exist, attempt a URL fopen on the src link. * This can occur with certain file replication plugins. * Keep the original file path to get a modified name later. */ $image_file_to_edit = $image_file; if ( ! file_exists( $image_file_to_edit ) ) { $image_file_to_edit = _load_image_to_edit_path( $attachment_id ); } $image_editor = wp_get_image_editor( $image_file_to_edit ); if ( is_wp_error( $image_editor ) ) { return new WP_Error( 'rest_unknown_image_file_type', __( 'Unable to edit this image.' ), array( 'status' => 500 ) ); } foreach ( $modifiers as $modifier ) { $args = $modifier['args']; switch ( $modifier['type'] ) { case 'rotate': // Rotation direction: clockwise vs. counter clockwise. $rotate = 0 - $args['angle']; if ( 0 !== $rotate ) { $result = $image_editor->rotate( $rotate ); if ( is_wp_error( $result ) ) { return new WP_Error( 'rest_image_rotation_failed', __( 'Unable to rotate this image.' ), array( 'status' => 500 ) ); } } break; case 'crop': $size = $image_editor->get_size(); $crop_x = (int) round( ( $size['width'] * $args['left'] ) / 100.0 ); $crop_y = (int) round( ( $size['height'] * $args['top'] ) / 100.0 ); $width = (int) round( ( $size['width'] * $args['width'] ) / 100.0 ); $height = (int) round( ( $size['height'] * $args['height'] ) / 100.0 ); if ( $size['width'] !== $width || $size['height'] !== $height ) { $result = $image_editor->crop( $crop_x, $crop_y, $width, $height ); if ( is_wp_error( $result ) ) { return new WP_Error( 'rest_image_crop_failed', __( 'Unable to crop this image.' ), array( 'status' => 500 ) ); } } break; } } // Calculate the file name. $image_ext = pathinfo( $image_file, PATHINFO_EXTENSION ); $image_name = wp_basename( $image_file, ".{$image_ext}" ); /* * Do not append multiple `-edited` to the file name. * The user may be editing a previously edited image. */ if ( preg_match( '/-edited(-\d+)?$/', $image_name ) ) { // Remove any `-1`, `-2`, etc. `wp_unique_filename()` will add the proper number. $image_name = preg_replace( '/-edited(-\d+)?$/', '-edited', $image_name ); } else { // Append `-edited` before the extension. $image_name .= '-edited'; } $filename = "{$image_name}.{$image_ext}"; // Create the uploads sub-directory if needed. $uploads = wp_upload_dir(); // Make the file name unique in the (new) upload directory. $filename = wp_unique_filename( $uploads['path'], $filename ); // Save to disk. $saved = $image_editor->save( $uploads['path'] . "/$filename" ); if ( is_wp_error( $saved ) ) { return $saved; } // Create new attachment post. $new_attachment_post = array( 'post_mime_type' => $saved['mime-type'], 'guid' => $uploads['url'] . "/$filename", 'post_title' => $image_name, 'post_content' => '', ); // Copy post_content, post_excerpt, and post_title from the edited image's attachment post. $attachment_post = get_post( $attachment_id ); if ( $attachment_post ) { $new_attachment_post['post_content'] = $attachment_post->post_content; $new_attachment_post['post_excerpt'] = $attachment_post->post_excerpt; $new_attachment_post['post_title'] = $attachment_post->post_title; } $new_attachment_id = wp_insert_attachment( wp_slash( $new_attachment_post ), $saved['path'], 0, true ); if ( is_wp_error( $new_attachment_id ) ) { if ( 'db_update_error' === $new_attachment_id->get_error_code() ) { $new_attachment_id->add_data( array( 'status' => 500 ) ); } else { $new_attachment_id->add_data( array( 'status' => 400 ) ); } return $new_attachment_id; } // Copy the image alt text from the edited image. $image_alt = get_post_meta( $attachment_id, '_wp_attachment_image_alt', true ); if ( ! empty( $image_alt ) ) { // update_post_meta() expects slashed. update_post_meta( $new_attachment_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) ); } if ( wp_is_serving_rest_request() ) { /* * Set a custom header with the attachment_id. * Used by the browser/client to resume creating image sub-sizes after a PHP fatal error. */ header( 'X-WP-Upload-Attachment-ID: ' . $new_attachment_id ); } // Generate image sub-sizes and meta. $new_image_meta = wp_generate_attachment_metadata( $new_attachment_id, $saved['path'] ); // Copy the EXIF metadata from the original attachment if not generated for the edited image. if ( isset( $image_meta['image_meta'] ) && isset( $new_image_meta['image_meta'] ) && is_array( $new_image_meta['image_meta'] ) ) { // Merge but skip empty values. foreach ( (array) $image_meta['image_meta'] as $key => $value ) { if ( empty( $new_image_meta['image_meta'][ $key ] ) && ! empty( $value ) ) { $new_image_meta['image_meta'][ $key ] = $value; } } } // Reset orientation. At this point the image is edited and orientation is correct. if ( ! empty( $new_image_meta['image_meta']['orientation'] ) ) { $new_image_meta['image_meta']['orientation'] = 1; } // The attachment_id may change if the site is exported and imported. $new_image_meta['parent_image'] = array( 'attachment_id' => $attachment_id, // Path to the originally uploaded image file relative to the uploads directory. 'file' => _wp_relative_upload_path( $image_file ), ); /** * Filters the meta data for the new image created by editing an existing image. * * @since 5.5.0 * * @param array $new_image_meta Meta data for the new image. * @param int $new_attachment_id Attachment post ID for the new image. * @param int $attachment_id Attachment post ID for the edited (parent) image. */ $new_image_meta = apply_filters( 'wp_edited_image_metadata', $new_image_meta, $new_attachment_id, $attachment_id ); wp_update_attachment_metadata( $new_attachment_id, $new_image_meta ); $response = $this->prepare_item_for_response( get_post( $new_attachment_id ), $request ); $response->set_status( 201 ); $response->header( 'Location', rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $new_attachment_id ) ) ); return $response; } /** * Prepares a single attachment for create or update. * * @since 4.7.0 * * @param WP_REST_Request $request Request object. * @return stdClass|WP_Error Post object. */ protected function prepare_item_for_database( $request ) { $prepared_attachment = parent::prepare_item_for_database( $request ); // Attachment caption (post_excerpt internally). if ( isset( $request['caption'] ) ) { if ( is_string( $request['caption'] ) ) { $prepared_attachment->post_excerpt = $request['caption']; } elseif ( isset( $request['caption']['raw'] ) ) { $prepared_attachment->post_excerpt = $request['caption']['raw']; } } // Attachment description (post_content internally). if ( isset( $request['description'] ) ) { if ( is_string( $request['description'] ) ) { $prepared_attachment->post_content = $request['description']; } elseif ( isset( $request['description']['raw'] ) ) { $prepared_attachment->post_content = $request['description']['raw']; } } if ( isset( $request['post'] ) ) { $prepared_attachment->post_parent = (int) $request['post']; } return $prepared_attachment; } /** * Prepares a single attachment output for response. * * @since 4.7.0 * @since 5.9.0 Renamed `$post` to `$item` to match parent class for PHP 8 named parameter support. * * @param WP_Post $item Attachment 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. $post = $item; $response = parent::prepare_item_for_response( $post, $request ); $fields = $this->get_fields_for_response( $request ); $data = $response->get_data(); if ( in_array( 'description', $fields, true ) ) { $data['description'] = array( 'raw' => $post->post_content, /** This filter is documented in wp-includes/post-template.php */ 'rendered' => apply_filters( 'the_content', $post->post_content ), ); } if ( in_array( 'caption', $fields, true ) ) { /** This filter is documented in wp-includes/post-template.php */ $caption = apply_filters( 'get_the_excerpt', $post->post_excerpt, $post ); /** This filter is documented in wp-includes/post-template.php */ $caption = apply_filters( 'the_excerpt', $caption ); $data['caption'] = array( 'raw' => $post->post_excerpt, 'rendered' => $caption, ); } if ( in_array( 'alt_text', $fields, true ) ) { $data['alt_text'] = get_post_meta( $post->ID, '_wp_attachment_image_alt', true ); } if ( in_array( 'media_type', $fields, true ) ) { $data['media_type'] = wp_attachment_is_image( $post->ID ) ? 'image' : 'file'; } if ( in_array( 'mime_type', $fields, true ) ) { $data['mime_type'] = $post->post_mime_type; } if ( in_array( 'media_details', $fields, true ) ) { $data['media_details'] = wp_get_attachment_metadata( $post->ID ); // Ensure empty details is an empty object. if ( empty( $data['media_details'] ) ) { $data['media_details'] = new stdClass(); } elseif ( ! empty( $data['media_details']['sizes'] ) ) { foreach ( $data['media_details']['sizes'] as $size => &$size_data ) { if ( isset( $size_data['mime-type'] ) ) { $size_data['mime_type'] = $size_data['mime-type']; unset( $size_data['mime-type'] ); } // Use the same method image_downsize() does. $image_src = wp_get_attachment_image_src( $post->ID, $size ); if ( ! $image_src ) { continue; } $size_data['source_url'] = $image_src[0]; } $full_src = wp_get_attachment_image_src( $post->ID, 'full' ); if ( ! empty( $full_src ) ) { $data['media_details']['sizes']['full'] = array( 'file' => wp_basename( $full_src[0] ), 'width' => $full_src[1], 'height' => $full_src[2], 'mime_type' => $post->post_mime_type, 'source_url' => $full_src[0], ); } } else { $data['media_details']['sizes'] = new stdClass(); } } if ( in_array( 'post', $fields, true ) ) { $data['post'] = ! empty( $post->post_parent ) ? (int) $post->post_parent : null; } if ( in_array( 'source_url', $fields, true ) ) { $data['source_url'] = wp_get_attachment_url( $post->ID ); } if ( in_array( 'missing_image_sizes', $fields, true ) ) { require_once ABSPATH . 'wp-admin/includes/image.php'; $data['missing_image_sizes'] = array_keys( wp_get_missing_image_subsizes( $post->ID ) ); } $context = ! empty( $request['context'] ) ? $request['context'] : 'view'; $data = $this->filter_response_by_context( $data, $context ); $links = $response->get_links(); // Wrap the data in a response object. $response = rest_ensure_response( $data ); foreach ( $links as $rel => $rel_links ) { foreach ( $rel_links as $link ) { $response->add_link( $rel, $link['href'], $link['attributes'] ); } } /** * Filters an attachment returned from the REST API. * * Allows modification of the attachment right before it is returned. * * @since 4.7.0 * * @param WP_REST_Response $response The response object. * @param WP_Post $post The original attachment post. * @param WP_REST_Request $request Request used to generate the response. */ return apply_filters( 'rest_prepare_attachment', $response, $post, $request ); } /** * Retrieves the attachment's schema, conforming to JSON Schema. * * @since 4.7.0 * * @return array Item schema as an array. */ public function get_item_schema() { if ( $this->schema ) { return $this->add_additional_fields_schema( $this->schema ); } $schema = parent::get_item_schema(); $schema['properties']['alt_text'] = array( 'description' => __( 'Alternative text to display when attachment is not displayed.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ); $schema['properties']['caption'] = array( 'description' => __( 'The attachment caption.' ), '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' => __( 'Caption for the attachment, as it exists in the database.' ), 'type' => 'string', 'context' => array( 'edit' ), ), 'rendered' => array( 'description' => __( 'HTML caption for the attachment, transformed for display.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), ), ); $schema['properties']['description'] = array( 'description' => __( 'The attachment description.' ), 'type' => 'object', 'context' => array( 'view', 'edit' ), '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' => __( 'Description for the attachment, as it exists in the database.' ), 'type' => 'string', 'context' => array( 'edit' ), ), 'rendered' => array( 'description' => __( 'HTML description for the attachment, transformed for display.' ), 'type' => 'string', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), ), ); $schema['properties']['media_type'] = array( 'description' => __( 'Attachment type.' ), 'type' => 'string', 'enum' => array( 'image', 'file' ), 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ); $schema['properties']['mime_type'] = array( 'description' => __( 'The attachment MIME type.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ); $schema['properties']['media_details'] = array( 'description' => __( 'Details about the media file, specific to its type.' ), 'type' => 'object', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ); $schema['properties']['post'] = array( 'description' => __( 'The ID for the associated post of the attachment.' ), 'type' => 'integer', 'context' => array( 'view', 'edit' ), ); $schema['properties']['source_url'] = array( 'description' => __( 'URL to the original attachment file.' ), 'type' => 'string', 'format' => 'uri', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ); $schema['properties']['missing_image_sizes'] = array( 'description' => __( 'List of the missing image sizes of the attachment.' ), 'type' => 'array', 'items' => array( 'type' => 'string' ), 'context' => array( 'edit' ), 'readonly' => true, ); unset( $schema['properties']['password'] ); $this->schema = $schema; return $this->add_additional_fields_schema( $this->schema ); } /** * Handles an upload via raw POST data. * * @since 4.7.0 * @since 6.6.0 Added the `$time` parameter. * * @param string $data Supplied file data. * @param array $headers HTTP headers from the request. * @param string|null $time Optional. Time formatted in 'yyyy/mm'. Default null. * @return array|WP_Error Data from wp_handle_sideload(). */ protected function upload_from_data( $data, $headers, $time = null ) { if ( empty( $data ) ) { return new WP_Error( 'rest_upload_no_data', __( 'No data supplied.' ), array( 'status' => 400 ) ); } if ( empty( $headers['content_type'] ) ) { return new WP_Error( 'rest_upload_no_content_type', __( 'No Content-Type supplied.' ), array( 'status' => 400 ) ); } if ( empty( $headers['content_disposition'] ) ) { return new WP_Error( 'rest_upload_no_content_disposition', __( 'No Content-Disposition supplied.' ), array( 'status' => 400 ) ); } $filename = self::get_filename_from_disposition( $headers['content_disposition'] ); if ( empty( $filename ) ) { return new WP_Error( 'rest_upload_invalid_disposition', __( 'Invalid Content-Disposition supplied. Content-Disposition needs to be formatted as `attachment; filename="image.png"` or similar.' ), array( 'status' => 400 ) ); } if ( ! empty( $headers['content_md5'] ) ) { $content_md5 = array_shift( $headers['content_md5'] ); $expected = trim( $content_md5 ); $actual = md5( $data ); if ( $expected !== $actual ) { return new WP_Error( 'rest_upload_hash_mismatch', __( 'Content hash did not match expected.' ), array( 'status' => 412 ) ); } } // Get the content-type. $type = array_shift( $headers['content_type'] ); // Include filesystem functions to get access to wp_tempnam() and wp_handle_sideload(). require_once ABSPATH . 'wp-admin/includes/file.php'; // Save the file. $tmpfname = wp_tempnam( $filename ); $fp = fopen( $tmpfname, 'w+' ); if ( ! $fp ) { return new WP_Error( 'rest_upload_file_error', __( 'Could not open file handle.' ), array( 'status' => 500 ) ); } fwrite( $fp, $data ); fclose( $fp ); // Now, sideload it in. $file_data = array( 'error' => null, 'tmp_name' => $tmpfname, 'name' => $filename, 'type' => $type, ); $size_check = self::check_upload_size( $file_data ); if ( is_wp_error( $size_check ) ) { return $size_check; } $overrides = array( 'test_form' => false, ); $sideloaded = wp_handle_sideload( $file_data, $overrides, $time ); if ( isset( $sideloaded['error'] ) ) { @unlink( $tmpfname ); return new WP_Error( 'rest_upload_sideload_error', $sideloaded['error'], array( 'status' => 500 ) ); } return $sideloaded; } /** * Parses filename from a Content-Disposition header value. * * As per RFC6266: * * content-disposition = "Content-Disposition" ":" * disposition-type *( ";" disposition-parm ) * * disposition-type = "inline" | "attachment" | disp-ext-type * ; case-insensitive * disp-ext-type = token * * disposition-parm = filename-parm | disp-ext-parm * * filename-parm = "filename" "=" value * | "filename*" "=" ext-value * * disp-ext-parm = token "=" value * | ext-token "=" ext-value * ext-token = * * @since 4.7.0 * * @link https://tools.ietf.org/html/rfc2388 * @link https://tools.ietf.org/html/rfc6266 * * @param string[] $disposition_header List of Content-Disposition header values. * @return string|null Filename if available, or null if not found. */ public static function get_filename_from_disposition( $disposition_header ) { // Get the filename. $filename = null; foreach ( $disposition_header as $value ) { $value = trim( $value ); if ( ! str_contains( $value, ';' ) ) { continue; } list( $type, $attr_parts ) = explode( ';', $value, 2 ); $attr_parts = explode( ';', $attr_parts ); $attributes = array(); foreach ( $attr_parts as $part ) { if ( ! str_contains( $part, '=' ) ) { continue; } list( $key, $value ) = explode( '=', $part, 2 ); $attributes[ trim( $key ) ] = trim( $value ); } if ( empty( $attributes['filename'] ) ) { continue; } $filename = trim( $attributes['filename'] ); // Unquote quoted filename, but after trimming. if ( str_starts_with( $filename, '"' ) && str_ends_with( $filename, '"' ) ) { $filename = substr( $filename, 1, -1 ); } } return $filename; } /** * Retrieves the query params for collections of attachments. * * @since 4.7.0 * * @return array Query parameters for the attachment collection as an array. */ public function get_collection_params() { $params = parent::get_collection_params(); $params['status']['default'] = 'inherit'; $params['status']['items']['enum'] = array( 'inherit', 'private', 'trash' ); $media_types = $this->get_media_types(); $params['media_type'] = array( 'default' => null, 'description' => __( 'Limit result set to attachments of a particular media type.' ), 'type' => 'string', 'enum' => array_keys( $media_types ), ); $params['mime_type'] = array( 'default' => null, 'description' => __( 'Limit result set to attachments of a particular MIME type.' ), 'type' => 'string', ); return $params; } /** * Handles an upload via multipart/form-data ($_FILES). * * @since 4.7.0 * @since 6.6.0 Added the `$time` parameter. * * @param array $files Data from the `$_FILES` superglobal. * @param array $headers HTTP headers from the request. * @param string|null $time Optional. Time formatted in 'yyyy/mm'. Default null. * @return array|WP_Error Data from wp_handle_upload(). */ protected function upload_from_file( $files, $headers, $time = null ) { if ( empty( $files ) ) { return new WP_Error( 'rest_upload_no_data', __( 'No data supplied.' ), array( 'status' => 400 ) ); } // Verify hash, if given. if ( ! empty( $headers['content_md5'] ) ) { $content_md5 = array_shift( $headers['content_md5'] ); $expected = trim( $content_md5 ); $actual = md5_file( $files['file']['tmp_name'] ); if ( $expected !== $actual ) { return new WP_Error( 'rest_upload_hash_mismatch', __( 'Content hash did not match expected.' ), array( 'status' => 412 ) ); } } // Pass off to WP to handle the actual upload. $overrides = array( 'test_form' => false, ); // Bypasses is_uploaded_file() when running unit tests. if ( defined( 'DIR_TESTDATA' ) && DIR_TESTDATA ) { $overrides['action'] = 'wp_handle_mock_upload'; } $size_check = self::check_upload_size( $files['file'] ); if ( is_wp_error( $size_check ) ) { return $size_check; } // Include filesystem functions to get access to wp_handle_upload(). require_once ABSPATH . 'wp-admin/includes/file.php'; $file = wp_handle_upload( $files['file'], $overrides, $time ); if ( isset( $file['error'] ) ) { return new WP_Error( 'rest_upload_unknown_error', $file['error'], array( 'status' => 500 ) ); } return $file; } /** * Retrieves the supported media types. * * Media types are considered the MIME type category. * * @since 4.7.0 * * @return array Array of supported media types. */ protected function get_media_types() { $media_types = array(); foreach ( get_allowed_mime_types() as $mime_type ) { $parts = explode( '/', $mime_type ); if ( ! isset( $media_types[ $parts[0] ] ) ) { $media_types[ $parts[0] ] = array(); } $media_types[ $parts[0] ][] = $mime_type; } return $media_types; } /** * Determine if uploaded file exceeds space quota on multisite. * * Replicates check_upload_size(). * * @since 4.9.8 * * @param array $file $_FILES array for a given file. * @return true|WP_Error True if can upload, error for errors. */ protected function check_upload_size( $file ) { if ( ! is_multisite() ) { return true; } if ( get_site_option( 'upload_space_check_disabled' ) ) { return true; } $space_left = get_upload_space_available(); $file_size = filesize( $file['tmp_name'] ); if ( $space_left < $file_size ) { return new WP_Error( 'rest_upload_limited_space', /* translators: %s: Required disk space in kilobytes. */ sprintf( __( 'Not enough space to upload. %s KB needed.' ), number_format( ( $file_size - $space_left ) / KB_IN_BYTES ) ), array( 'status' => 400 ) ); } if ( $file_size > ( KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 ) ) ) { return new WP_Error( 'rest_upload_file_too_big', /* translators: %s: Maximum allowed file size in kilobytes. */ sprintf( __( 'This file is too big. Files must be less than %s KB in size.' ), get_site_option( 'fileupload_maxk', 1500 ) ), array( 'status' => 400 ) ); } // Include multisite admin functions to get access to upload_is_user_over_quota(). require_once ABSPATH . 'wp-admin/includes/ms.php'; if ( upload_is_user_over_quota( false ) ) { return new WP_Error( 'rest_upload_user_quota_exceeded', __( 'You have used your space quota. Please delete files before uploading.' ), array( 'status' => 400 ) ); } return true; } /** * Gets the request args for the edit item route. * * @since 5.5.0 * * @return array */ protected function get_edit_media_item_args() { return array( 'src' => array( 'description' => __( 'URL to the edited image file.' ), 'type' => 'string', 'format' => 'uri', 'required' => true, ), 'modifiers' => array( 'description' => __( 'Array of image edits.' ), 'type' => 'array', 'minItems' => 1, 'items' => array( 'description' => __( 'Image edit.' ), 'type' => 'object', 'required' => array( 'type', 'args', ), 'oneOf' => array( array( 'title' => __( 'Rotation' ), 'properties' => array( 'type' => array( 'description' => __( 'Rotation type.' ), 'type' => 'string', 'enum' => array( 'rotate' ), ), 'args' => array( 'description' => __( 'Rotation arguments.' ), 'type' => 'object', 'required' => array( 'angle', ), 'properties' => array( 'angle' => array( 'description' => __( 'Angle to rotate clockwise in degrees.' ), 'type' => 'number', ), ), ), ), ), array( 'title' => __( 'Crop' ), 'properties' => array( 'type' => array( 'description' => __( 'Crop type.' ), 'type' => 'string', 'enum' => array( 'crop' ), ), 'args' => array( 'description' => __( 'Crop arguments.' ), 'type' => 'object', 'required' => array( 'left', 'top', 'width', 'height', ), 'properties' => array( 'left' => array( 'description' => __( 'Horizontal position from the left to begin the crop as a percentage of the image width.' ), 'type' => 'number', ), 'top' => array( 'description' => __( 'Vertical position from the top to begin the crop as a percentage of the image height.' ), 'type' => 'number', ), 'width' => array( 'description' => __( 'Width of the crop as a percentage of the image width.' ), 'type' => 'number', ), 'height' => array( 'description' => __( 'Height of the crop as a percentage of the image height.' ), 'type' => 'number', ), ), ), ), ), ), ), ), 'rotation' => array( 'description' => __( 'The amount to rotate the image clockwise in degrees. DEPRECATED: Use `modifiers` instead.' ), 'type' => 'integer', 'minimum' => 0, 'exclusiveMinimum' => true, 'maximum' => 360, 'exclusiveMaximum' => true, ), 'x' => array( 'description' => __( 'As a percentage of the image, the x position to start the crop from. DEPRECATED: Use `modifiers` instead.' ), 'type' => 'number', 'minimum' => 0, 'maximum' => 100, ), 'y' => array( 'description' => __( 'As a percentage of the image, the y position to start the crop from. DEPRECATED: Use `modifiers` instead.' ), 'type' => 'number', 'minimum' => 0, 'maximum' => 100, ), 'width' => array( 'description' => __( 'As a percentage of the image, the width to crop the image to. DEPRECATED: Use `modifiers` instead.' ), 'type' => 'number', 'minimum' => 0, 'maximum' => 100, ), 'height' => array( 'description' => __( 'As a percentage of the image, the height to crop the image to. DEPRECATED: Use `modifiers` instead.' ), 'type' => 'number', 'minimum' => 0, 'maximum' => 100, ), ); } } Simple tips to Win at the Black-jack Top research paper assistance site ten Specialist Black-jack Information – Sanathan Dharm Veda

The newest 7’s try a part bet I have seen to the electronic blackjack desk video game by… Severe blackjack participants who’re looking for ways to make the advantage off the casino and… All reputable gambling enterprises, and several 100 percent free demo games, render safer online gaming surroundings to train your black-jack experience. Really people can decide within the key concepts out of very first approach inside a few weeks out of normal practice. Number their victories, losings, as well as how hrs you played inside the for each training being alert to the weaknesses and strengths, and you can strengthen self-disciplined play. Learn moreSometimes you’re questioned to settle the brand new CAPTCHA if you’re having fun with state-of-the-art terms you to robots are recognized to play with, otherwise delivering demands right away.

This type of simply work with cutting-edge professionals who be aware of the math to blackjack inside-out, even though. Black-jack deviations will give professionals important opportunities to enhance their questioned worth. Four-deck black-jack game are uncommon to the online casinos, therefore see 6-8 patio game with this signal distinctions. As stated ahead of, a lot more decks mean much more lower-really worth cards are diluting the fresh shoe. You understand that more porches in the blackjack allow the casinos a larger virtue, however, have you any idea because of the how much? You can find fewer ten-well worth cards on the platform, but it’s and harder on how to breasts.

Because the player really stands, the fresh broker can tell you the deal with down card and you can hit or stay based on what they have. The ball player tends to make a choice to hit research paper assistance site otherwise sit dependent exclusively to the dealer’s visible credit. The idea of the video game, like most games, should be to overcome the fresh dealer as well as in black-jack you are trying to to locate as near that you can to help you 21 rather than going-over otherwise supposed ‘bust’. The best way to gamble black-jack is by after the our very own full method publication, in addition to a number of the greatest on line blackjack tips. Online game from chance or not, you will find ensures that can help you significantly improve your possibility from winning. To have certain resources, we present a couple charts dependent on perhaps the broker moves otherwise stands to the delicate 17.

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Its choices, choice brands, and methods shouldn’t frustrate you, while they won’t apply at your odds of successful finally. You would like a very clear mind in order to think their conclusion because of to make the most of any online game your join. Typically, a gambling tool selections in one%–5% of one’s athlete’s entire bankroll, according to its funds and you will exposure threshold. Even though their most significant bet throughout the day is found on the new table doesn’t imply you need to suddenly get up on an excellent 14 rather than the brand new dealer’s ten to quit breaking.

  • Throughout these scenarios, your remain a much better danger of winning in the black-jack by position to your a marginal hands and you may allowing the fresh broker tits.
  • The brand new arsenal of conclusion grows to provide more advanced procedure since the you to definitely growth sense and you will moves on one step further.
  • Continue cool, sit centered, please remember it’s all of the area of the games.
  • This might perhaps not look like an advanced black-jack playing strategy but knowing the concepts from the way the playing possibilities job is while the cutting-edge as possible get.

First Technique for Blackjack Playing with 4 to eight Porches – research paper assistance site

In this confident progressive gambling method, starting with a single gambling equipment, and when you win, your multiply they from the 2nd matter regarding the succession to possess next bullet. It’s an awful progressive gaming method that requires players so you can double its bet after each and every loss, and you may immediately after an earn, professionals switch back to the new gaming tool. Whenever depending cards and ultizing a blackjack method and you may cutting-edge betting system, exercise how much to help you bet and you can just what money you desire is key. Thus, if you have a flowing amount of +6 and also the video game has been used six porches, the real matter is actually step one (6/6).

Finest Blackjack Info

Just heed their lesson money, otherwise reduce your projected to try out amount of time in half of. Your own usual playing systems might possibly be $ten, however cannot get to the gambling establishment away from a monday night, where there are not any $ten games offered. No hunches with no amount of chance tends to make something crappy well worth also a dollar wager. You may also routine different black-jack differences that way while the well. This will enable you to practice their earliest means and fool around with different playing preparations instead risking all of your money until you’re totally comfortable.

In case your give well worth explains 21, there’ll be busted (or wade chest). Better, here to the CasinoToday athlete publication to have best black-jack tips is a superb choices. Follow shown safer betting techniques while you are gambling on the internet. Look at all of our solitary-deck blackjack resources and strategies to possess a whole single-deck blackjack strategy chart. An informed blackjack approach chart to attenuate family boundary are always rely on the game’s house laws as well as the quantity of porches within the gamble. By simply following the new black-jack choice graph, people can reduce our house border from all around 2% in order to only 0.5%.

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When the broker displays a deep failing upcard, for example an excellent 2 as a result of 6, he or she is at the increased chance of supposed boobs, as we’ve told you a lot more than. The chances of shedding if you stand are too likely, and the probability of splitting are way too highest if you take a knock. Luckily that the dealer comes to an end in the 17, and so the laws like the give, for many who’ve had a premier total. It’s merely too difficult to quit losing profits regarding the enough time focus on after you’lso are terrified going to twelve, 13, and you will 14 within these times when the newest broker you will have your overcome.