Site Health: Consolidate documentation for the `admin_email_check_interval` filter.

See #48153.
Built from https://develop.svn.wordpress.org/trunk@46324


git-svn-id: http://core.svn.wordpress.org/trunk@46123 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-beta1-46323';
+$wp_version = '5.3-beta1-46324';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.

wp-login.php

@@ -590,7 +590,7 @@ switch ( $action ) {
 
 			/**
 			 * Filters the interval for redirecting the user to the admin email confirmation screen.
-			 * If `0` (zero) is returned, the user will not be redirected.
+			 * If `0` (zero), or any :falsey" value is returned, the user will not be redirected.
 			 *
 			 * @since 5.3.0
 			 *
@@ -1243,8 +1243,6 @@ switch ( $action ) {
 			if ( is_a( $user, 'WP_User' ) && $user->exists() && $user->has_cap( $admin_check_cap ) ) {
 				$admin_email_lifespan = (int) get_option( 'admin_email_lifespan' );
 
-				// If `0` (or anything "falsey" as it is cast to int) is returned, the user will not be redirected
-				// to the admin email confirmation screen.
 				/** This filter is documented in wp-login.php */
 				$admin_email_check_interval = (int) apply_filters( 'admin_email_check_interval', 6 * MONTH_IN_SECONDS );