Resolved error latest version of PHP.

git-svn-id: https://plugins.svn.wordpress.org/notify-users-e-mail/trunk@1021153 b8457f37-d9ea-0310-8a92-e5e31aec5664
Resolved error latest version of PHP.

git-svn-id: https://plugins.svn.wordpress.org/notify-users-e-mail/trunk@1021155 b8457f37-d9ea-0310-8a92-e5e31aec5664
Resolved error latest version of PHP.

git-svn-id: https://plugins.svn.wordpress.org/notify-users-e-mail/trunk@1021156 b8457f37-d9ea-0310-8a92-e5e31aec5664