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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 |
---|---|
69 | $blog = get_blog_details( $blog_id ); |
70 | /** |
71 | * Fires before a site is deleted. |
72 | * |
73 | * @since MU |
74 | * |
75 | * @param int $blog_id The site ID. |
76 | * @param bool $drop True if site's table should be dropped. Default is false. |
77 | */ |
78 | do_action( 'delete_blog', $blog_id, $drop ); |
79 |
|
80 | $users = get_users( array( 'blog_id' => $blog_id, 'fields' => 'ids' ) ); |
81 |
|
82 | // Remove users from this blog. |
83 | if ( ! empty( $users ) ) { |
84 | foreach ( $users as $user_id ) { |
85 | remove_user_from_blog( $user_id, $blog_id ); |
86 | } |
87 | } |