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filter is not described

wpmu_signup_blog_notification_email filter-hook . WP 3.0.0

Filters the message content of the new blog notification email.

Content should be formatted for transmission via wp_mail().


add_filter( 'wpmu_signup_blog_notification_email', 'filter_function_name_1340', 10, 8 );
function filter_function_name_1340( $content, $domain, $path, $title, $user_login, $user_email, $key, $meta ){
	// filter...

	return $content;
Content of the notification email.
Site domain.
Site path.
Site title.
User login name.
User email address.
Activation key created in wpmu_signup_blog().


Since 3.0.0 Introduced.

Where the hook is called

wp-includes/ms-functions.php 981-992
	/* translators: New site notification email. 1: Activation URL, 2: New site URL. */
	__( "To activate your blog, please click the following link:\n\n%1\$s\n\nAfter you activate, you will receive *another email* with your login.\n\nAfter you activate, you can visit your site here:\n\n%2\$s" ),

Where in WP core the hook is used WordPress

Usage not found.