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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 |
|---|---|
| 92 | |
| 93 | case 'update': |
| 94 | |
| 95 | check_admin_referer('update-user_' . $user_id); |
| 96 | |
| 97 | if ( !current_user_can('edit_user', $user_id) ) |
| 98 | wp_die(__('You do not have permission to edit this user.')); |
| 99 | |
| 100 | if ( $is_profile_page ) { |
| 101 | do_action('personal_options_update'); |
| 102 | } |
| 103 | |
| 104 | $errors = edit_user($user_id); |
| 105 | |
| 106 | if( !is_wp_error( $errors ) ) { |
| 107 | $redirect = ($is_profile_page? "profile.php?" : "user-edit.php?user_id=$user_id&"). "updated=true"; |
| 108 | $redirect = add_query_arg('wp_http_referer', urlencode($wp_http_referer), $redirect); |
| 109 | wp_redirect($redirect); |
| 110 | exit; |