public function load_from_request()
{
$this->upload_max_filesize = text_to_file_size(ini_get('upload_max_filesize'));
$this->post_max_size = text_to_file_size(ini_get('post_max_size'));
$this->ini_max_file_size = min($this->upload_max_filesize, $this->post_max_size);
$this->max_file_size = $this->ini_max_file_size;
$this->form_max_file_size = read_var(Form_max_file_size_field_name, 0);
if ($this->form_max_file_size && $this->form_max_file_size < $this->max_file_size) {
$this->max_file_size = $this->form_max_file_size;
}
$this->_file_sets = array();
$this->total_files = 0;
foreach ($_FILES as $file_set_id => $file_info) {
$file_set = new UPLOADED_FILE_SET($this, $file_set_id);
if ($file_set->size()) {
$this->total_files += $file_set->size();
$this->file_sets[$file_set_id] = $file_set;
}
}
/*
In order to smoothly support uploading with form validation, we allow a form to process
a previously uploaded file and store its properties in the form. The uploader reads those
values and 'pretends' that this is a valid PHP upload file. This way, form validation can
occur over multiple submissions but a successfully uploaded file need only be uploaded once.
*/
$uploads = read_var($this->stored_info_name);
if (is_array($uploads)) {
for ($idx = sizeof($uploads) - 1; $idx >= 0; $idx--) {
$upload = $uploads[$idx];
$file = new UPLOADED_FILE($this, '', 0, '', '', 0);
$file_set_id = $file->load_from_text($upload);
if (isset($this->file_sets[$file_set_id])) {
$file_set = $this->file_sets[$file_set_id];
} else {
$file_set = new UPLOADED_FILE_SET($this, $file_set_id);
$this->file_sets[$file_set_id] = $file_set;
}
array_unshift($file_set->files, $file);
}
}
}
/**
* Performs the actual move for {@link _process_uploaded_file()}.
* Can be called from {@link _prepare_for_commit()} in descendent forms to use
* the same mechanisms for resolved overwrite options.
* @param UPLOAD_FILE_FIELD $field File is associated with this field.
* @param UPLOADED_FILE $file Move this file object.
* @param string $path Move to this folder.
* @param boolean $form_is_valid Will the form be committed?
* @access private
*/
protected function _move_uploaded_file($field, $file, $path, $form_is_valid = true)
{
$file->move_to($path, $this->_upload_file_copy_mode($field, $file, $form_is_valid));
}