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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.
Line | Code |
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254 | * Fires after a single attachment is created or updated via the REST API. |
255 | * |
256 | * @since 4.7.0 |
257 | * |
258 | * @param WP_Post $attachment Inserted or updated attachment |
259 | * object. |
260 | * @param WP_REST_Request $request The request sent to the API. |
261 | * @param bool $creating True when creating an attachment, false when updating. |
262 | */ |
263 | do_action( 'rest_insert_attachment', $attachment, $request, true ); |
264 |
|
265 | return array( |
266 | 'attachment_id' => $id, |
267 | 'file' => $file, |
268 | ); |
269 | } |
270 |
|
271 | /** |
272 | * Updates a single attachment. |