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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 |
|---|---|
| 14 | echo $error . '<br/>'; |
| 15 | } |
| 16 | exit; |
| 17 | } |
| 18 | |
| 19 | if ( !isset( $_POST['rich_editing'] ) ) |
| 20 | $_POST['rich_editing'] = 'false'; |
| 21 | update_user_option( $current_user->id, 'rich_editing', $_POST['rich_editing'], true ); |
| 22 | |
| 23 | do_action('personal_options_update'); |
| 24 | |
| 25 | if ( 'profile' == $_POST['from'] ) |
| 26 | $to = 'profile.php?updated=true'; |
| 27 | else |
| 28 | $to = 'profile.php?updated=true'; |
| 29 | |
| 30 | wp_redirect( $to ); |
| 31 | exit; |
| 32 | |