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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 |
|---|---|
| 82 | } |
| 83 | |
| 84 | submit_button( __('Confirm Deletion'), 'delete' ); |
| 85 | ?> |
| 86 | </form> |
| 87 | <?php |
| 88 | return true; |
| 89 | } |
| 90 | |
| 91 | do_action( 'wpmuadminedit' , ''); |
| 92 | |
| 93 | if ( isset( $_GET['id' ]) ) |
| 94 | $id = intval( $_GET['id'] ); |
| 95 | elseif ( isset( $_POST['id'] ) ) |
| 96 | $id = intval( $_POST['id'] ); |
| 97 | |
| 98 | switch ( $_GET['action'] ) { |
| 99 | case 'siteoptions': |
| 100 | check_admin_referer( 'siteoptions' ); |