login.php, write.php 등 여러 php에서 화면이 안 뜹니다

페이지 소스 보기해서 복붙한 코드입니다. 자동 줄바꿈 lang="en"> charset="utf-8"> name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> name="description" content=""> name="author" content=""> ::CREHACKTIVE INSECURE WEB-SITE :: href="./css/bootstrap.min.css" rel="stylesheet"> href="./css/pricing.css" rel="stylesheet"> class="d-flex flex-column flex-md-row align-items-center p-3 px-md-4 mb-3 bg-white border-bottom box-shadow"> data-feather="box"> class="my-0 mr-md-auto font-weight-normal">CREATIVE INSECURE WEB-SITE class="my-2 my-md-0 mr-md-3"> class="p-2 text-dark" href="index.php">Home class="p-2 text-dark" href="index.php?page=board">Board class="p-2 text-dark" href="index.php?page=join">Join class="container"> (사진)