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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 |
|---|---|
| 1099 | delete_user_option( $user_id, 'user_level' ); |
| 1100 | |
| 1101 | /** |
| 1102 | * Fires immediately after a new user is created. |
| 1103 | * |
| 1104 | * @since MU |
| 1105 | * |
| 1106 | * @param int $user_id User ID. |
| 1107 | */ |
| 1108 | do_action( 'wpmu_new_user', $user_id ); |
| 1109 | |
| 1110 | return $user_id; |
| 1111 | } |
| 1112 | |
| 1113 | /** |
| 1114 | * Create a site. |
| 1115 | * |
| 1116 | * This function runs when a user self-registers a new site as well |
| 1117 | * as when a Super Admin creates a new site. Hook to 'wpmu_new_blog' |