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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 1330 | $nickname = $user_login; |
| 1331 | $nickname = apply_filters('pre_user_nickname', $nickname); |
| 1332 | |
| 1333 | if ( empty($first_name) ) |
| 1334 | $first_name = ''; |
| 1335 | $first_name = apply_filters('pre_user_first_name', $first_name); |
| 1336 | |
| 1337 | if ( empty($last_name) ) |
| 1338 | $last_name = ''; |
| 1339 | $last_name = apply_filters('pre_user_last_name', $last_name); |
| 1340 | |
| 1341 | if ( empty( $display_name ) ) { |
| 1342 | if ( $update ) |
| 1343 | $display_name = $user_login; |
| 1344 | elseif ( $first_name && $last_name ) |
| 1345 | /* translators: 1: first name, 2: last name */ |
| 1346 | $display_name = sprintf( _x( '%1$s %2$s', 'Display name based on first name and last name' ), $first_name, $last_name ); |
| 1347 | elseif ( $first_name ) |
| 1348 | $display_name = $first_name; |