Posted By

paulgrenwood on 10/27/09

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php
background

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Last Edited at 10/27/09 04:14pm

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Randomize Background Image

/ Published in: PHP

Set up and array of filenames, which correspond to the file names of the images you are trying to randomize.

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Copy this code and paste it in your HTML

<?php
  $bg = array('bg-01.jpg', 'bg-02.jpg', 'bg-03.jpg', 'bg-04.jpg', 'bg-05.jpg', 'bg-06.jpg', 'bg-07.jpg' ); // array of filenames
 
  $i = rand(0, count($bg)-1); // generate random number size of the array
  $selectedBg = "$bg[$i]"; // set variable equal to which random filename was chosen
?>
 
<style type="text/css">
<!--
body{
background: url(images/<?php echo $selectedBg; ?>) no-repeat;
}
-->
</style>