/**
* Creates a thumbnail of an image, if it doesn't exits
*
*
* @param String $imageUrl - The image Url
* @param Mixed $width - String / Integer
* @param Mixed $height - String / Integer
* @param boolean: False: resizes the image to the exact porportions (aspect ratio not preserved). True: preserves aspect ratio, only resises if image is bigger than specified measures
*
* @return String - the thumbnail URL
*/
function onTheFly(phmagick $p, $imageUrl, $width, $height, $exactDimentions = false, $webPath = '', $physicalPath = '')
{
//convert web path to physical
$basePath = str_replace($webPath, $physicalPath, dirname($imageUrl));
$sourceFile = $basePath . '/' . basename($imageUrl);
//naming the new thumbnail
$thumbnailFile = $basePath . '/' . $width . '_' . $height . '_' . basename($imageUrl);
$P->setSource($sourceFile);
$p->setDestination($thumbnailFile);
if (!file_exists($thumbnailFile)) {
$p->resize($p, $width, $height, $exactDimentions);
}
if (!file_exists($thumbnailFile)) {
//if there was an error, just use original file
$thumbnailFile = $sourceFile;
}
//returning the thumbnail url
return str_replace($physicalPath, $webPath, $thumbnailFile);
}
