Online PHP editor | refs for ZBKB9

<?php class AnotherClass{ public $world = "world"; } $anotherClass = new AnotherClass(); class TestClass{ function __construct(){ ob_start(array($this,"callback")); } function callback($input){ global $anotherClass; return $input.$anotherClass->world; } } $tClass = new TestClass(); echo "hello"; ob_flush();