文件包括當僅產生斷線

Question

低於此文件爲menu.php單獨工作，但是當我將其包括在使用

<?php include("menu.php") ?> 

另一個文件時，它產生一個換行符。但是，爲什麼我不明白，我嘗試了幾次，但沒有解決。所以，請幫助我們男孩和女孩。

<style> 
/* Menu style starts*/ 
nav ul li:hover > ul { 
    display: block; 
} 
nav ul { 
    background: maroon; 
    background: linear-gradient(top, maroon 0%, #800000 100%); 
    background: -moz-linear-gradient(top, maroon 0%, #800000 100%); 
    background: -webkit-linear-gradient(top, maroon 0%,#800000 100%); 
    list-style: none; 
    display: inline-table; 
    position: relative; 
    padding: 0 15px; 
    box-shadow: 0px 0px 20px #888888; 
} 
nav ul:after { 
    content: ""; 
    clear: both; 
    display: block; 
} 
nav ul li { 
    float: left; 
} 
nav ul li:hover { 
    background: #4b545f; 
    background: linear-gradient(top, black 0%, #5f6975 40%); 
    background: -moz-linear-gradient(top, black 0%, #5f6975 40%); 
    background: -webkit-linear-gradient(top, black 0%,#5f6975 40%); 
} 
nav ul li:hover a { 
    color: #fff; 
} 
nav ul li a { 
    display: block; 
    padding: 10px 38px; 
    text-decoration: none; 
    color: white; 
    font-size: 19px; 
    font-weight: bold; 
} 
nav ul ul { 
    display: none; 
    background: #5f6975; 
    border-radius: 0px; 
    padding: 0; 
    position: absolute; top: 100%; 
} 
nav ul ul li { 
    float: none; 
    border-top: 1px solid #6b727c; 
    border-bottom: 1px solid #575f6a; 
    position: relative; 
} 
nav ul ul li a { 
    padding: 10px 40px; 
    color: white; 
    font-size: 12px; 
    font-weight: bold; 
} 
nav ul ul li a:hover { 
    background: #4b545f; 
} 
nav ul ul ul { 
    position: absolute; left: 100%; top:0; 
} 
/* Menu style ends*/ 
</style> 

<div align="center" 
    style="height: 100px; color: #FFFFFF; background-color: #0033CC;"> 
    <font size="12" style="z-index:; margin-bottom:0px;"> 
     Open Public Library 
    </font> 
    <br /> 
    <font size="4"> 
     It's still under process, coming soon with full facility 
    </font> 
</div> 

<nav align=center> 
    <ul> 
     <li><a href="index.php"> 
       <!--img src="images/home_icon.png"/-->HOME 
      </a> 
     </li> 
     <li><a href="aboutus.php">ABOUT US</a></li> 
     <li><a href="user.php">USER</a> 
      <ul> 
       <li><a href="#">LOGIN</a> 
        <ul> 
         <li><a href="guest.php">GUEST</a></li> 
         <li><a href="member.php">MEMBER</a></li> 
         <li><a href="admin.php">ADMINISTRATOR</a></li> 
        </ul> 
       </li> 
       <li><a href="register.php">REGISTRATION</a></li> 
      </ul> 
     </li> 
     <li><a href="book.php">BOOK</a> 
      <ul> 
       <li><a href="book_content.php">INSERT</a></li> 
        <li><a href="#">UPDATE</a></li> 
        <li><a href="show.php">SHOW</a></li> 
        <li><a href="#">SEARCH</a></li> 
      </ul> 
     </li> 
     <li><a href="contactus.php">CONTACT US</a> 
      <ul> 
       <li><a href="feedback.php">GIVE FEEDBACK</a></li> 
       <li><a href="contactus.php">SEE CONTACTS</a></li> 
      </ul> 
     </li> 
     <li><a href="register.php">REGISTER</a></li> 
    </ul> 
</nav> 

Answer 1

如果使用UTF-8編碼，保存文件作爲UTF-8無BOM