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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 |
|---|---|
| 2110 | } |
| 2111 | } else { |
| 2112 | /** |
| 2113 | * Fires immediately after a new user is registered. |
| 2114 | * |
| 2115 | * @since 1.5.0 |
| 2116 | * |
| 2117 | * @param int $user_id User ID. |
| 2118 | */ |
| 2119 | do_action( 'user_register', $user_id ); |
| 2120 | } |
| 2121 | |
| 2122 | return $user_id; |
| 2123 | } |
| 2124 | |
| 2125 | /** |
| 2126 | * Update a user in the database. |
| 2127 | * |
| 2128 | * It is possible to update a user's password by specifying the 'user_pass' |