<?php class X { static $sfld1; /** @var int */ static $sfld2; /** @appstatic */ static $sfld3; static function test1() { X::$sfld1 = "Helo"; X::$sfld2++; X::$sfld3 = "World"; } static function test2() { echo X::$sfld1, X::$sfld2, X::$sfld3; } } X::test1(); X::test2(); echo "Done.";