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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 |
---|---|
418 | /** |
419 | * Fires inside the auxiliary 'Actions' column of the Sites list table. |
420 | * |
421 | * By default this column is hidden unless something is hooked to the action. |
422 | * |
423 | * @since MU (3.0.0) |
424 | * |
425 | * @param int $blog_id The site ID. |
426 | */ |
427 | do_action( 'wpmublogsaction', $blog['blog_id'] ); |
428 | } |
429 | } |
430 |
|
431 | /** |
432 | * Handles output for the default column. |
433 | * |
434 | * @since 4.3.0 |
435 | * |
436 | * @param array $blog Current site. |