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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 |
|---|---|
| 2234 | |
| 2235 | /** |
| 2236 | * Filters whether the user is notified of their new user registration. |
| 2237 | * |
| 2238 | * @since 6.1.0 |
| 2239 | * |
| 2240 | * @param bool $send Whether to send the email. Default true. |
| 2241 | * @param WP_User $user User object for new user. |
| 2242 | */ |
| 2243 | $send_notification_to_user = apply_filters( 'wp_send_new_user_notification_to_user', true, $user ); |
| 2244 | |
| 2245 | // `$deprecated` was pre-4.3 `$plaintext_pass`. An empty `$plaintext_pass` didn't sent a user notification. |
| 2246 | if ( 'admin' === $notify || true !== $send_notification_to_user || ( empty( $deprecated ) && empty( $notify ) ) ) { |
| 2247 | return; |
| 2248 | } |
| 2249 | |
| 2250 | $key = get_password_reset_key( $user ); |
| 2251 | if ( is_wp_error( $key ) ) { |
| 2252 | return; |