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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 |
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164 | * Fires after a single attachment is created or updated via the REST API. |
165 | * |
166 | * @since 4.7.0 |
167 | * |
168 | * @param WP_Post $attachment Inserted or updated attachment |
169 | * object. |
170 | * @param WP_REST_Request $request The request sent to the API. |
171 | * @param bool $creating True when creating an attachment, false when updating. |
172 | */ |
173 | do_action( 'rest_insert_attachment', $attachment, $request, true ); |
174 |
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175 | // Include admin functions to get access to wp_generate_attachment_metadata(). |
176 | require_once ABSPATH . 'wp-admin/includes/admin.php'; |
177 |
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178 | wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) ); |
179 |
|
180 | if ( isset( $request['alt_text'] ) ) { |
181 | update_post_meta( $id, '_wp_attachment_image_alt', sanitize_text_field( $request['alt_text'] ) ); |
182 | } |
Line | Code |
220 | $data = $response->get_data(); |
221 |
|
222 | if ( isset( $request['alt_text'] ) ) { |
223 | update_post_meta( $data['id'], '_wp_attachment_image_alt', $request['alt_text'] ); |
224 | } |
225 |
|
226 | $attachment = get_post( $request['id'] ); |
227 |
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228 | /** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php */ |
229 | do_action( 'rest_insert_attachment', $data, $request, false ); |
230 |
|
231 | $fields_update = $this->update_additional_fields_for_object( $attachment, $request ); |
232 |
|
233 | if ( is_wp_error( $fields_update ) ) { |
234 | return $fields_update; |
235 | } |
236 |
|
237 | $request->set_param( 'context', 'edit' ); |
238 | $response = $this->prepare_item_for_response( $attachment, $request ); |