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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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61 | continue; // Avoids "0 is a protected WP option and may not be modified" error when edit blog options |
62 | update_option( $key, $val ); |
63 | } |
64 |
|
65 | /** |
66 | * Fires after the site options are updated. |
67 | * |
68 | * @since 3.0.0 |
69 | */ |
70 | do_action( 'wpmu_update_blog_options' ); |
71 | restore_current_blog(); |
72 | wp_redirect( add_query_arg( array( 'update' => 'updated', 'id' => $id ), 'site-settings.php') ); |
73 | exit; |
74 | } |
75 |
|
76 | if ( isset($_GET['update']) ) { |
77 | $messages = array(); |
78 | if ( 'updated' == $_GET['update'] ) |
79 | $messages[] = __('Site options updated.'); |