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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 |
|---|---|
| 1536 | function _wp_get_user_contactmethods( $user = null ) { |
| 1537 | $user_contactmethods = array(); |
| 1538 | if ( get_site_option( 'initial_db_version' ) < 23588 ) { |
| 1539 | $user_contactmethods = array( |
| 1540 | 'aim' => __( 'AIM' ), |
| 1541 | 'yim' => __( 'Yahoo IM' ), |
| 1542 | 'jabber' => __( 'Jabber / Google Talk' ) |
| 1543 | ); |
| 1544 | } |
| 1545 | return apply_filters( 'user_contactmethods', $user_contactmethods, $user ); |
| 1546 | } |
| 1547 | |