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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 |
|---|---|
| 2000 | |
| 2001 | /** |
| 2002 | * Filter the user contact methods. |
| 2003 | * |
| 2004 | * @since 2.9.0 |
| 2005 | * |
| 2006 | * @param array $methods Array of contact methods and their labels. |
| 2007 | * @param WP_User $user WP_User object. |
| 2008 | */ |
| 2009 | return apply_filters( 'user_contactmethods', $methods, $user ); |
| 2010 | } |
| 2011 | |
| 2012 | /** |
| 2013 | * The old private function for setting up user contact methods. |
| 2014 | * |
| 2015 | * @since 2.9.0 |
| 2016 | * @access private |
| 2017 | */ |
| 2018 | function _wp_get_user_contactmethods( $user = null ) { |