PHP implementation of the random display of pictures function

Source: Internet
Author: User

  This article shares a PHP implementation of a random display of pictures of the function, you can specify the folder stored in a random display of pictures

The main content of this section: introduce a random display picture PHP function, more for the blog display window, photos of the random display.   Example:     code as follows: <?php/** * Function: Random display picture * Filename &nbsp: img.php * Usage: *         & nbsp   <IMG src=img.php> *             <img src=img.php?folder=images2/> **/&NB Sp if ($_get[' folder ']) {      $folder =$_get[' folder ']  }else{      $folder = '/images/' ;    //location of picture files   $path = $_server[' Document_root ']. " /". $folder;   $files =array ();   if ($handle =opendir ("$path")) {      while (false!== ($file = Readdir ($handle)) {    &N Bsp           if ($file!= "." && $file!= "...") {                if (substr ($file, -3) = = ' gif ' | | substr ($file, -3) = = ' jpg ') $files [Co UNT ($files)] = $file;                       { }   Closedir ($handle);  &nbsP   $random =rand (0,count ($files)-1);   if (substr ($files [$random],-3) = = ' gif ') header ("Content-type:image/gif");   ElseIf (substr ($files [$random],-3) = = ' jpg ') header ("Content-type:image/jpeg");   ReadFile ("$path/$files [$random]");?>  
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