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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 |
---|---|
1565 |
|
1566 | /** |
1567 | * Filter the user contact methods. |
1568 | * |
1569 | * @since 2.9.0 |
1570 | * |
1571 | * @param array $methods Array of contact methods and their labels. |
1572 | * @param WP_User $user Optional. WP_User object. |
1573 | */ |
1574 | return apply_filters( 'user_contactmethods', $methods, $user ); |
1575 | } |
1576 |
|
1577 | /** |
1578 | * The old private function for setting up user contact methods. |
1579 | * |
1580 | * @since 2.9.0 |
1581 | * @access private |
1582 | */ |
1583 | function _wp_get_user_contactmethods( $user = null ) { |