WP hooks navigation: Home/browse • Actions index • Filters index
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 |
|---|---|
| 1998 | |
| 1999 | /** |
| 2000 | * Filters whether the provided username is valid. |
| 2001 | * |
| 2002 | * @since 2.0.1 |
| 2003 | * |
| 2004 | * @param bool $valid Whether given username is valid. |
| 2005 | * @param string $username Username to check. |
| 2006 | */ |
| 2007 | return apply_filters( 'validate_username', $valid, $username ); |
| 2008 | } |
| 2009 | |
| 2010 | /** |
| 2011 | * Inserts a user into the database. |
| 2012 | * |
| 2013 | * Most of the `$userdata` array fields have filters associated with the values. Exceptions are |
| 2014 | * 'ID', 'rich_editing', 'syntax_highlighting', 'comment_shortcuts', 'admin_color', 'use_ssl', |
| 2015 | * 'user_registered', 'user_activation_key', 'spam', and 'role'. The filters have the prefix |
| 2016 | * 'pre_user_' followed by the field name. An example using 'description' would have the filter |