Defined (1)

The function is defined in the following location(s).

/wp-signup.php  

function validate_blog_signup() { 
    // Re-validate user info. 
    $user_result = wpmu_validate_user_signup( $_POST['user_name'], $_POST['user_email'] ); 
    $user_name = $user_result['user_name']; 
    $user_email = $user_result['user_email']; 
    $user_errors = $user_result['errors']; 
 
    if ( $user_errors->get_error_code() ) { 
        signup_user( $user_name, $user_email, $user_errors ); 
        return false; 
    } 
 
    $result = wpmu_validate_blog_signup( $_POST['blogname'], $_POST['blog_title'] ); 
    $domain = $result['domain']; 
    $path = $result['path']; 
    $blogname = $result['blogname']; 
    $blog_title = $result['blog_title']; 
    $errors = $result['errors']; 
 
    if ( $errors->get_error_code() ) { 
        signup_blog($user_name, $user_email, $blogname, $blog_title, $errors); 
        return false; 
    } 
 
    $public = (int) $_POST['blog_public']; 
    $signup_meta = array ('lang_id' => 1, 'public' => $public); 
 
    // Handle the language setting for the new site. 
    if ( ! empty( $_POST['WPLANG'] ) ) { 
 
        $languages = signup_get_available_languages(); 
 
        if ( in_array( $_POST['WPLANG'], $languages ) ) { 
            $language = wp_unslash( sanitize_text_field( $_POST['WPLANG'] ) ); 
 
            if ( $language ) { 
                $signup_meta['WPLANG'] = $language; 
            } 
        } 
 
    } 
 
    /** This filter is documented in wp-signup.php */ 
    $meta = apply_filters( 'add_signup_meta', $signup_meta ); 
 
    wpmu_signup_blog($domain, $path, $blog_title, $user_name, $user_email, $meta); 
    confirm_blog_signup($domain, $path, $blog_title, $user_name, $user_email, $meta); 
    return true; 
}