/**
* Validate the MIME type of a file upload attribute is in a set of MIME types.
*
* @param string $attribute
* @param array $parameters
* @return bool
*/
protected function validate_mimes($attribute, $parameters)
{
foreach ($parameters as $extension) {
if (File::is($extension, $this->attributes[$attribute]['tmp_name'])) {
return true;
}
}
return false;
}
/**
* Check if a file is one of the valid image types.
* If so, return which one it is. If not, return null.
*
* @param string $file
* @return mixed
*/
private static function image_type($file)
{
foreach (array('jpg', 'png', 'gif') as $type) {
if (File::is($type, $file)) {
return $type;
}
}
return null;
}
