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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 12 | |
| 13 | if ( ! is_multisite() ) |
| 14 | wp_die( __( 'Multisite support is not enabled.' ) ); |
| 15 | |
| 16 | if ( empty( $_GET['action'] ) ) { |
| 17 | wp_redirect( network_admin_url() ); |
| 18 | exit; |
| 19 | } |
| 20 | |
| 21 | do_action( 'wpmuadminedit' , '' ); |
| 22 | |
| 23 | // Let plugins use us as a post handler easily |
| 24 | do_action( 'network_admin_edit_' . $_GET['action'] ); |
| 25 | |
| 26 | wp_redirect( network_admin_url() ); |
| 27 | exit(); |
| 28 | |
| 29 | ?> |
| 30 | |