将当前css应用于PHP中的导航

Question

I am using a dynamic header for my page built in PHP and i am trying to apply the current CSS to the selected page. I can do this by defining class current in the html but this doesn't work with a dynamic header.

Here is my php header file what is wrong with my code. As far as I can tell the php statement should figure out the current page and apply the current css but it doesn't.

Thanks in advance for your help :). My website is: http://wonx.dk/phpintergrated/index.php

<?php
function get_current($title) {
  if (strpos($_SERVER['REQUEST_URI'], $title) !== false)
    echo 'class="current"';
}
?>


<a href="index.html"><img class="logo" src="img/logofinal.svg"  alt="Devil Sheep Logo" /></a>

<label for="menuon">
<img src="img/menu.svg" alt="MENU"></label>
<input type="checkbox" id="menuon">

<nav>
      <ul class="topmenu">
        <li><a href="index.php" title="Home" >Home</a></li> <!--Sets the home tab to on meaning it is selected.-->
        <li><a href="aboutme.php" title="About Me">About Me</a><!--Whitespace causes problems with display:inline-->
           <ul class="submenu">
            <li class="aboutdropdown"><a href="aboutme.php" title="About Me">About Me</a></li>
            <li><a href="portfolio.php" title="Portfolio">Portfolio</a></li>
            <li><a href="photogallery.php" title="Photo Gallery">Photo Gallery</a></li>
            </ul>
          </li>
        <li><a href="recipe.php" title="Recipe">Recipe</a></li>
        <li><a href="song.php" title="Song">Song</a></li>
        <li><a href="cv.php" title="CV">CV</a></li>
        <li><a href="experiments.php" title="Experiments">Experiments</a></li>
        <li><a href="contact.php" title="Contact Me">Contact Me</a></li>
      </ul>
</nav>

Answer 1

You have a finite number of menu items.

declare an array with all your menu items

 $current['index.php'] = "";
 .
 .
 .
 $current['contact.php'] = "";
 $temp = $current;
 foreach($temp AS $key => $value)
 {
   if (strpos($_SERVER['REQUEST_URI'], $key) !== false)
    $current[$key] = 'class="current"';
 }

Now go to the html

  <li <?php echo $current["index.php"]?>><a href="index.php" title="Home" >Home</a></li>
 .
 .
 .
 <li <?php echo $current["contact.php"]?>><a href="contact.php" title="Contact Me">Contact Me</a></li>

The . . . mean rinse and repeat.

Enjoy!