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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 159 | * Fires after a single attachment is created or updated via the REST API. |
| 160 | * |
| 161 | * @since 4.7.0 |
| 162 | * |
| 163 | * @param WP_Post $attachment Inserted or updated attachment |
| 164 | * object. |
| 165 | * @param WP_REST_Request $request The request sent to the API. |
| 166 | * @param bool $creating True when creating an attachment, false when updating. |
| 167 | */ |
| 168 | do_action( 'rest_insert_attachment', $attachment, $request, true ); |
| 169 | |
| 170 | // Include admin functions to get access to wp_generate_attachment_metadata(). |
| 171 | require_once ABSPATH . 'wp-admin/includes/admin.php'; |
| 172 | |
| 173 | wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) ); |
| 174 | |
| 175 | if ( isset( $request['alt_text'] ) ) { |
| 176 | update_post_meta( $id, '_wp_attachment_image_alt', sanitize_text_field( $request['alt_text'] ) ); |
| 177 | } |
| Line | Code |
| 215 | $data = $response->get_data(); |
| 216 | |
| 217 | if ( isset( $request['alt_text'] ) ) { |
| 218 | update_post_meta( $data['id'], '_wp_attachment_image_alt', $request['alt_text'] ); |
| 219 | } |
| 220 | |
| 221 | $attachment = get_post( $request['id'] ); |
| 222 | |
| 223 | /* This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php */ |
| 224 | do_action( 'rest_insert_attachment', $data, $request, false ); |
| 225 | |
| 226 | $fields_update = $this->update_additional_fields_for_object( $attachment, $request ); |
| 227 | |
| 228 | if ( is_wp_error( $fields_update ) ) { |
| 229 | return $fields_update; |
| 230 | } |
| 231 | |
| 232 | $request->set_param( 'context', 'edit' ); |
| 233 | $response = $this->prepare_item_for_response( $attachment, $request ); |