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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 |
|---|---|
| 1827 | * @type int|bool $use_ssl Whether to force SSL on the user's admin area. 0|false if SSL is |
| 1828 | * not forced. |
| 1829 | * @type bool $show_admin_bar_front Whether to show the admin bar on the front end for the user. |
| 1830 | * Default true. |
| 1831 | * @type string $locale User's locale. Default empty. |
| 1832 | * } |
| 1833 | * @param WP_User $user User object. |
| 1834 | * @param bool $update Whether the user is being updated rather than created. |
| 1835 | */ |
| 1836 | $meta = apply_filters( 'insert_user_meta', $meta, $user, $update ); |
| 1837 | |
| 1838 | // Update user meta. |
| 1839 | foreach ( $meta as $key => $value ) { |
| 1840 | update_user_meta( $user_id, $key, $value ); |
| 1841 | } |
| 1842 | |
| 1843 | foreach ( wp_get_user_contact_methods( $user ) as $key => $value ) { |
| 1844 | if ( isset( $userdata[ $key ] ) ) { |
| 1845 | update_user_meta( $user_id, $key, $userdata[ $key ] ); |