public static function create($fieldName, $_files, $uploadDir)
{
if (count($_files) < 1) {
throw new NoFileUploadedException('Emtpy file');
}
// if the file field has a name with [] the file(s) will be
// collected to an array, eg. ['name' => [0 => 'IMG_29042016_134422.png'] }
// but if not, the keys value is a flat array, so it needs to be normalized
if (strpos($fieldName, '[]') != strlen($fieldName) - 2) {
$_files = array_map(function ($file) {
return array_map(function ($value) {
return [$value];
}, $file);
}, $_files);
}
// $fieldName includes a '[]' when the upload is multiple
$fieldName = str_replace(['[', ']'], '', $fieldName);
if (!array_key_exists($fieldName, $_files)) {
throw FormFieldException::noSuchFieldName($fieldName);
}
$requestedFileField = $_files[$fieldName];
// Count the uploaded files via one of it's child
if (!array_key_exists('name', $requestedFileField)) {
throw new NoNameParam('No name param found in file details');
}
$uploadedCount = count($requestedFileField['name']);
for ($index = 0; $index <= $uploadedCount - 1; $index++) {
(yield new self($fieldName, $index, $_files, $uploadDir));
}
}
/**
* Get a field
*
* @param $key
* @throws FormFieldException
* @return mixed
*/
public function getField($key)
{
if (!in_array($key, array_keys($this->formFields))) {
throw FormFieldException::noSuchFieldName($key);
}
return $this->formFields[$key];
}
