advanced code snippet search

Posted By

dsntos on 03/02/09


Tagged

php image random


Versions (?)

Who likes this?

4 people have marked this snippet as a favorite

luman
vali29
pster
JoF


Random Image from Directory using PHP

 / Published in: PHP
 

Outputs an image path from a defined directory.

Expand | Embed | Plain Text 
  1. <?php
  2.  
  3.     $path_to_images = "/images/";  // path to your images
  4.     $default_img = "image.gif";  // image to display if directory listing fails
  5.  
  6.     function getRandomImage($thispath, $img) {
  7.         if ( $list = getImagesList($thispath) ) {
  8.             mt_srand( (double)microtime() * 1000000 );
  9.             $num = array_rand($list);
  10.             $img = $list[$num];
  11.         } 
  12.         return $thispath . $img;
  13.     }
  14.     function getImagesList($thispath) {
  15.         $ctr = 0;
  16.         if ( $img_dir = @opendir($thispath) ) {
  17.             while ( false !== ($img_file = readdir($img_dir)) ) {
  18.                 // can add checks for other image file types here
  19.                 if ( preg_match("/(\.gif|\.jpg)$/", $img_file) ) {
  20.                     $images[$ctr] = $img_file;
  21.                     $ctr++;
  22.                 }
  23.             }
  24.             closedir($img_dir);
  25.             return $images;
  26.         } 
  27.         return false;
  28.     }
  29.  
  30.  
  31. ?> 
  32.  
  33. <img src="<?php echo getRandomImage($path_to_images, $default_img) ?>;">

Report this snippet  

Comments

RSS Icon Subscribe to comments
Posted By: reptkeu on February 26, 2010

Hello, I can not get this to work, can you help please? this is the page: http://bertrandclerc.com/autres/random_images/script3.php

You need to login to post a comment.