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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 |
|---|---|
| 2077 | * is not forced. |
| 2078 | * @type string $show_admin_bar_front Whether to show the admin bar on the front end for the user. |
| 2079 | * Default 'true'. |
| 2080 | * @type string $locale User's locale. Default empty. |
| 2081 | * } |
| 2082 | * @param WP_User $user User object. |
| 2083 | * @param bool $update Whether the user is being updated rather than created. |
| 2084 | * @param array $userdata The raw array of data passed to wp_insert_user(). |
| 2085 | */ |
| 2086 | $meta = apply_filters( 'insert_user_meta', $meta, $user, $update, $userdata ); |
| 2087 | |
| 2088 | // Update user meta. |
| 2089 | foreach ( $meta as $key => $value ) { |
| 2090 | update_user_meta( $user_id, $key, $value ); |
| 2091 | } |
| 2092 | |
| 2093 | foreach ( wp_get_user_contact_methods( $user ) as $key => $value ) { |
| 2094 | if ( isset( $userdata[ $key ] ) ) { |
| 2095 | update_user_meta( $user_id, $key, $userdata[ $key ] ); |