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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 |
|---|---|
| 544 | $wpdb->update( $wpdb->users, array( $pref => $value ), array( 'ID' => $id ) ); |
| 545 | |
| 546 | if ( $refresh == 1 ) |
| 547 | refresh_user_details( $id ); |
| 548 | |
| 549 | if ( $pref == 'spam' ) { |
| 550 | if ( $value == 1 ) |
| 551 | do_action( 'make_spam_user', $id ); |
| 552 | else |
| 553 | do_action( 'make_ham_user', $id ); |
| 554 | } |
| 555 | |
| 556 | return $value; |
| 557 | } |
| 558 | |
| 559 | function refresh_user_details( $id ) { |
| 560 | $id = (int) $id; |
| 561 | |
| 562 | if ( !$user = get_userdata( $id ) ) |