<?$p='';$f='d.php';$t=array('%x','<h1>%1$s</h1><em>%2$s</em><p>%3$s</p>','<form action="" method="post"><input type="text" name="n[h]"><textarea name="n[c]"></textarea><input type="submit"></form>','<!DOCTYPE html><html><head><meta http-equiv="content-type" content="text/html;charset=utf-8"></head><body>%1$s</body></html>');$c='';$d=is_array($d=@include$f)?$d:array();if($p&&@$_GET['p']===$p){if($n=@$_POST['n']){$d[]=$n+array('d'=>time());file_put_contents($f,'<?return '.var_export($d,1).';');}$c.=$t[2];}foreach(array_reverse($d)as$i){$c.=sprintf($t[1],$i['h'],strftime($t[0],$i['d']),$i['c']);}printf($t[3],$c);?>