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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 |
|---|---|
| 746 | |
| 747 | $user_id = wp_create_user( $user_name, $password, $email ); |
| 748 | if ( is_wp_error($user_id) ) |
| 749 | return false; |
| 750 | |
| 751 | // Newly created users have no roles or caps until they are added to a blog. |
| 752 | delete_user_option( $user_id, 'capabilities' ); |
| 753 | delete_user_option( $user_id, 'user_level' ); |
| 754 | |
| 755 | do_action( 'wpmu_new_user', $user_id ); |
| 756 | |
| 757 | return $user_id; |
| 758 | } |
| 759 | |
| 760 | function wpmu_create_blog($domain, $path, $title, $user_id, $meta = '', $site_id = 1) { |
| 761 | $domain = preg_replace( '/\s+/', '', sanitize_user( $domain, true ) ); |
| 762 | |
| 763 | if ( is_subdomain_install() ) |
| 764 | $domain = str_replace( '@', '', $domain ); |