/**
* Resize and cache image file.
*
* @param $file
* @param $width
* @param $height
* @param null $folder
* @return string
*/
public function resizeImage($file, $width, $height, $folder = null)
{
// init vars
$width = (int) $width;
$height = (int) $height;
$fileInfo = pathinfo($file);
$thumbName = $fileInfo['filename'] . '_' . md5($file . $width . $height) . '.' . $fileInfo['extension'];
$cacheTime = 86400;
if (!$folder) {
$folder = $fileInfo['dirname'];
}
$thumbFile = $folder . $thumbName;
if ($this->check() && (!is_file($thumbFile) || $cacheTime > 0 && time() > filemtime($thumbFile) + $cacheTime)) {
$Thumbnail = new ImageThumbnail($file);
if ($width > 0 && $height > 0) {
$Thumbnail->setSize($width, $height);
$Thumbnail->save($thumbFile);
} else {
if ($width > 0 && $height == 0) {
$Thumbnail->sizeWidth($width);
$Thumbnail->save($thumbFile);
} else {
if ($width == 0 && $height > 0) {
$Thumbnail->sizeHeight($height);
$Thumbnail->save($thumbFile);
} else {
$File = new File($file);
if (file_exists($file)) {
$File->copy($thumbFile);
}
}
}
}
}
if (is_file($thumbFile)) {
return $thumbFile;
}
return $file;
}