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[Nathan L Zabaldo Friend Nathan L ZabaldoJoin date: September 2014Posts: 12Downloads:0Uploads:0 Thanked: 2 times in 1 posts]

#120349

Tested on JA Kruger, but may be useful on other templates where a random header image is desired.

[PHP] <?php
$dir = “/images/headerimages/”; //You could change this to the folder store your header images.

$abs_path = $mosConfig_absolute_path.$dir;
$live_path = $mosConfig_live_site.$dir;
$default_img = “sh1.jpg”;

function getRandomImage($path, $img, $lp) {
if ( $list = getImagesList($path) ) {
mt_srand( (double)microtime() * 1000000 );
$num = array_rand($list);
$img = $list[$num];
}
return $lp . $img;
}

function getImagesList($path) {
$ctr = 0;
if ( $img_dir = @opendir($path) ) {
while ( false !== ($img_file = readdir($img_dir)) ) {
if ( preg_match(“/(.gif|.jpg)$/”, $img_file) ) { // add more conditions here if you want
$images[$ctr] = $img_file;
$ctr++;
}
}
closedir($img_dir);
return $images;
}
return false;
}
?>
<div id=”ja-sh” class=”clearfix” style=”background:url(<?php echo getRandomImage($abs_path,$default_img,$live_path); ?>) no-repeat top right;”>
[/PHP]

1 user says Thank You to Nathan L Zabaldo for this useful post

1. pmarty

[pmarty Friend pmartyJoin date: March 2008Posts: 15Downloads:0Uploads:0 Thanks: 5]

#242653

Really helpful code. It works like a dream 😀
I used it in a ja_antares template, with a little modification in order to display a higher picture in frontpage :

[PHP]
<?php
# Image HEADER aléatoire ##########

$dir = “/templates/ja_antares/images/header/”; //You could change this to the folder store your header images.
$a51_height= ‘200px’; // Image height for all pages except frontpage
$default_img = “a.jpg”; // Changer le nom de l’image par défaut si besoin

if($option==”com_frontpage”) // variables if frontpage
{
$dir = “/templates/ja_antares/images/header/accueil/”;
$a51_height= ‘278px’; // Image height for frontpage
$default_img = “grand-header01.jpg”;
}

$abs_path = $mosConfig_absolute_path.$dir;
$live_path = $mosConfig_live_site.$dir;

function getRandomImage($path, $img, $lp) {
if ( $list = getImagesList($path) ) {
mt_srand( (double)microtime() * 1000000 );
$num = array_rand($list);
$img = $list[$num];
}
return $lp . $img;
}

function getImagesList($path) {
$ctr = 0;
if ( $img_dir = @opendir($path) ) {
while ( false !== ($img_file = readdir($img_dir)) ) {
if ( preg_match(“/(.gif|.jpg)$/”, $img_file) ) { // add more conditions here if you want
$images[$ctr] = $img_file;
$ctr++;
}
}
closedir($img_dir);
return $images;
}
return false;
}

?>

<div id=”ja-banner” style=”height: <?php echo $a51_height; ?>; background:url(<?php echo getRandomImage($abs_path,$default_img,$live_path); ?>) no-repeat top left;”>
[/PHP]

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