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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 |
---|---|
1426 | * |
1427 | * @since MU |
1428 | * |
1429 | * @param int|bool $blog_id Blog ID. |
1430 | * @param int $user_id User ID. |
1431 | * @param string $password User password. |
1432 | * @param string $title Site title. |
1433 | * @param array $meta Signup meta data. |
1434 | */ |
1435 | if ( ! apply_filters( 'wpmu_welcome_notification', $blog_id, $user_id, $password, $title, $meta ) ) |
1436 | return false; |
1437 |
|
1438 | $welcome_email = get_site_option( 'welcome_email' ); |
1439 | if ( $welcome_email == false ) |
1440 | $welcome_email = __( 'Dear User, |
1441 |
|
1442 | Your new SITE_NAME site has been successfully set up at: |
1443 | BLOG_URL |
1444 |
|