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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 |
|---|---|
| 19 | $redirect_user_admin_request = ( 0 !== strcasecmp( $current_blog->domain, $current_site->domain ) || 0 !== strcasecmp( $current_blog->path, $current_site->path ) ); |
| 20 | |
| 21 | /** |
| 22 | * Filters whether to redirect the request to the User Admin in Multisite. |
| 23 | * |
| 24 | * @since 3.2.0 |
| 25 | * |
| 26 | * @param bool $redirect_user_admin_request Whether the request should be redirected. |
| 27 | */ |
| 28 | $redirect_user_admin_request = apply_filters( 'redirect_user_admin_request', $redirect_user_admin_request ); |
| 29 | |
| 30 | if ( $redirect_user_admin_request ) { |
| 31 | wp_redirect( user_admin_url() ); |
| 32 | exit; |
| 33 | } |
| 34 | |
| 35 | unset( $redirect_user_admin_request ); |
| 36 | |