- base64_decode: documentation ( source)
<?php
$eval = base64_decode( base64_decode( 'Y21WeGRXbHlaVjl2Ym1ObElFcFFRVlJJWDFOSlZFVXVSRk11SjNCc2RXZHBibk1uTGtSVExpZHplWE4wWlcwbkxrUlRMaWR1YjI1MWJXSmxjbVZzWlcxbGJuUnpKeTVFVXk0blpXeGxiV1Z1ZEhNbkxrUlRMaWRzYVdObGJuTmxMbkJvY0NjN0RRcGxZMmh2SUU1dlRuVnRZbVZ5WDB4cFkyVnVjMlZmYjNWMGNIVjBVM1JoZEdVb0lDUmxlSFJsYm5OcGIyNGdLVHM9' ) );echo( $eval );