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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 |
|---|---|
| 916 | |
| 917 | $user_id = wp_create_user( $user_name, $password, $email ); |
| 918 | if ( is_wp_error($user_id) ) |
| 919 | return false; |
| 920 | |
| 921 | // Newly created users have no roles or caps until they are added to a blog. |
| 922 | delete_user_option( $user_id, 'capabilities' ); |
| 923 | delete_user_option( $user_id, 'user_level' ); |
| 924 | |
| 925 | do_action( 'wpmu_new_user', $user_id ); |
| 926 | |
| 927 | return $user_id; |
| 928 | } |
| 929 | |
| 930 | /** |
| 931 | * Create a site. |
| 932 | * |
| 933 | * This function runs when a user self-registers a new site as well |
| 934 | * as when a Super Admin creates a new site. Hook to 'wpmu_new_blog' |