/**
* Handle a file uploaded by the client.
*
* @param string $targetDirectory Target directory
* @param string $parameterName Parameter name as used in the form element
* @param string $fileName Target file name (optional)
* @param array $allowedTypes List containing allowed file types (optional)
* @param int $sizeLimit File size limit in bytes (optional)
* @return boolean True on success, false otherwise
*/
public static function handleUpload($targetDirectory, $parameterName, $fileName = null, $allowedTypes = array(), $sizeLimit = 512000)
{
if (!String::endsWith($targetDirectory, '/')) {
$targetDirectory = "{$targetDirectory}/";
}
$files = $_FILES;
if (empty($files) || !file_exists($targetDirectory) && !mkdir($targetDirectory, 0777, true)) {
return false;
}
foreach ($files as $index => $fileCollection) {
if (is_array($files[$index]['name'])) {
$files[$index] = Collection::diverse($fileCollection);
}
}
$bracketStartPos = strpos($parameterName, '[');
if ($bracketStartPos) {
$bracketEndPos = strpos($parameterName, ']');
$parameterCollection = substr($parameterName, 0, $bracketStartPos);
$parameterName = substr($parameterName, $bracketStartPos + 1, $bracketEndPos - $bracketStartPos - 1);
$file = isset($files[$parameterCollection][$parameterName]) ? $files[$parameterCollection][$parameterName] : false;
} else {
$file = isset($files[$parameterName]) ? $files[$parameterName] : false;
}
if (!$file || $file['error'] !== UPLOAD_ERR_OK || !empty($allowedTypes) && !in_array($file['type'], $allowedTypes) || $sizeLimit > 0 && $file['size'] > $sizeLimit) {
return false;
}
if (!$fileName) {
$fileName = basename($file['name']);
}
return move_uploaded_file($file['tmp_name'], $targetDirectory . $fileName) ? $fileName : false;
}
