Ik probeer deze te doorgronden, wat niet werkt is het tonen van de foto's
iemand enig idee?
Diverse mogelijkheden uitgeprobeerd, helaas
het struikelblok is regel 141
iemand enig idee?
Diverse mogelijkheden uitgeprobeerd, helaas
het struikelblok is regel 141
PHP:
<?php
// volledig pad naar foto
define ('IMGDIR', 'C:/wamp/www/slider3/images/slideshow/');
// same but for www
define ('WEBIMGDIR', '/images/slideshow');
// set sessienaam voorslideshow "cookie"
define ('SS_SESSNAME', 'slideshow_sess');
// global error variabele
$err = '';
// start img session
session_name(SS_ SESSNAME);
session_start();
// initieer slideshow class
$ss = new slideshow($err);
if (($err = $ss->init()) != '')
{
header('HTTP/1.1 500 Internal Server Error');
echo $err;
exit();
}
// haal image files op uit directory
$ss->get_images();
// set variables, done.
list($curr, $caption, $first, $prev, $next, $last) = $ss->run();
/*
slideshow class, can be used stand-alone
*/
class slideshow
{
private $files_arr = NULL;
private $err = NULL;
public function __construct(&$err)
{
$this->files_arr = array();
$this->err = $err;
}
public function init()
{
// run actions only if img array session var is empty
// check if image directory exists
if (!$this->dir_exists())
{
return 'Error retrieving images, missing directory';
}
return '';
}
public function get_images()
{
// run actions only if img array session var is empty
if (isset($_SESSION['imgarr']))
{
$this->files_arr = $_SESSION['imgarr'];
}
else
{
if ($dh = opendir(IMGDIR))
{
while (false !== ($file = readdir($dh)))
{
if (preg_match('/^.*\.(JPG|jpeg|gif|png)$/i', $file))
{
$this->files_arr[] = $file;
}
}
closedir($dh);
}
$_SESSION['imgarr'] = $this->files_arr;
}
}
public function run()
{
$curr = 1;
$last = count($this->files_arr);
if (isset($_GET['img']))
{
if (preg_match('/^[0-9]+$/', $_GET['img'])) $curr = (int) $_GET['img'];
if ($curr <= 0 || $curr > $last) $curr = 1;
}
if ($curr <= 1)
{
$prev = $curr;
$next = $curr + 1;
}
else if ($curr >= $last)
{
$prev = $last - 1;
$next = $last;
}
else
{
$prev = $curr - 1;
$next = $curr + 1;
}
// line below sets the caption name...
$caption = str_replace('-', ' ', $this->files_arr[$curr - 1]);
$caption = str_replace('_', ' ', $caption);
$caption = preg_replace('/\.(JPG|gif|png)$/i', '', $caption);
$caption = ucfirst($caption);
return array($this->files_arr[$curr - 1], $caption, 1, $prev, $next, $last);
}
private function dir_exists()
{
return file_exists(IMGDIR);
}
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Slideshow</title>
<style type="text/css">
body{margin: 0;padding: 0;font: 100% Verdana, Arial, Helvetica, sans-serif;font-size: 14px; color: white}
div#gallery{border: 1px #ccc solid;width: 600px;margin: 40px auto;text-align: center; background-color:black; color: white}
div#gallery img{margin: 200px;border: 2px red solid; width: 200px; height: auto;}
div#gallery p{color: #004694;}
div#gallery div.pn{padding: 10px;margin: 0 5px;border-top: 1px white solid; color: white;}
a{color:white;}
a:hover{color:#cc0000;}
a.sp{padding-right: 40px;}
</style>
</head>
<body>
<div id="gallery">
<!------------------------------------------------------------->
<!-- originele code-->
<!--div id="gallery">
<!--img src="<?=WEBIMGDIR;?><?=$curr;?>" alt="" />
<!--p><?=$caption;?></p>
<!--div class="pn">
<!--a href="?img=<?=$first;?>">First</a> | <a href="?img=<?=$prev;?>" class="sp">Previous</a><a href="?img=<?=$next;?>">Next</a> | <a href="?img=<?=$last;?>">Last</a>
</div>
</div>
<!-------------------------------------------------------------->
<?php
echo'<img src"='WEBIMGDIR';'.$curr.';">';
echo '<p> '.$caption.'</p>'; //filenaam zonder extentie en tekens
echo '<p>'.$curr.'</p>';// filenaam compleet
echo '<div class="pn">';
echo '<a href="?img='.$first.'">Eerste</a> | <a href="?img='.$prev.'" class="sp">Terug</a>
<a href="?img='.$next.'">Volgende</a> | <a href="?img='.$last.'">Laatste</a>';
?>
</div>
</div>
</body>
</html>
