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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 |
|---|---|
| 715 | |
| 716 | $wpdb->update( $wpdb->users, array( sanitize_key( $pref ) => $value ), array( 'ID' => $id ) ); |
| 717 | |
| 718 | $user = new WP_User( $id ); |
| 719 | clean_user_cache( $user ); |
| 720 | |
| 721 | if ( $pref == 'spam' ) { |
| 722 | if ( $value == 1 ) { |
| 723 | /** This filter is documented in wp-includes/user.php */ |
| 724 | do_action( 'make_spam_user', $id ); |
| 725 | } else { |
| 726 | /** This filter is documented in wp-includes/user.php */ |
| 727 | do_action( 'make_ham_user', $id ); |
| 728 | } |
| 729 | } |
| 730 | |
| 731 | return $value; |
| 732 | } |
| 733 | |