从条目中排除变量？

Question

I have this code that i use for a navigation bar:

<?php  
$url = 'snip';  
foreach (glob("pages/*") as $path1) {  
  $file1 = basename($path1);  
  $file2 = end(explode('_', $file1));  
  echo "<div class=\"navbutton\"><a style=\"color:#333333;\" href='{$url}index.php?page={$file1}'>$file2</a></div>";
}
?>

My folder looks like:

pages/
   1_Home  
   2_About  
   404

I do not want it to include the file "404", is there a way i can remove it from the variable? Unset doesnt work for some reason.

Answer 1

Your file glob pages/* of course matches all files in the pages directory. Since everything except the 404 page contains an underscore in the filename, the simplest solution to drop in place is a slightly smarter file glob which only matches those having an underscore, like:

 pages/*_*

So:

foreach (glob("pages/*_*") as $path1) {  
   // Everything else is the same
}