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implemented another way of finding next and prev (more kiss)

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Marc MAURICE 2010-10-08 00:27:29 +02:00
parent f20a06743f
commit 924290855d
1 changed files with 17 additions and 14 deletions
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31
view.php
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@ -6,24 +6,27 @@ $scriptPath = $_SERVER["SCRIPT_NAME"];
$quickDir = dirname($quickPath);
$realDir = "images$quickDir";
// get all images in an array
$images = array();
$files = scandir($realDir);
$size = count($files);
$pos = array_search(basename($quickPath),$files);
$nextImage = '';
for ($next=$pos+1; $nextImage === '' and $next<$size ; $next++) {
$mime = mime_content_type("$realDir/$files[$next]");
if ($mime == "image/jpeg")
$nextImage = $files[$next];
foreach ($files as $file) {
$ext = strtolower(substr($file, -4));
if ($ext == ".jpg" or $ext == ".png")
$images[] = $file;
}
// find the image position
$pos = array_search(basename($quickPath), $images);
if ($pos === false) die("Image not found");
// get prev and next images
$prevImage = '';
for ($prev=$pos-1; $prevImage === '' and $prev>=0 ; $prev--) {
$mime = mime_content_type("$realDir/$files[$prev]");
if ($mime == "image/jpeg")
$prevImage = $files[$prev];
}
$nextImage = '';
if ($pos > 0)
$prevImage = $images[$pos-1];
if ($pos < sizeof($images))
$nextImage = $images[$pos+1];
$imageUrl = dirname($scriptPath)."/images$quickPath";