if ($_REQUEST['action'] != 'continue') {
/**
* Outputting form and checking it's data. If form data is invalid then it will
* stopped asking user to input valid data
**/
$form = new Form($_REQUEST);
if ($form->check_form_data() === false) {
$timezones = '';
foreach (timezone_identifiers_list() as $timezonesItem) {
if ($timezonesItem == $_REQUEST['timezone']) {
$timezones .= "<option ='{$timezonesItem}' selected='selected'>{$timezonesItem}</option>";
} else {
$timezones .= "<option ='{$timezonesItem}'>{$timezonesItem}</option>";
}
}
$form->output_form($timezones);
return;
}
$installation = new Installation($_REQUEST);
} else {
$installation = unserialize($_REQUEST['installation_object']);
}
// Installation of system
if (!$installation->Install()) {
// If installation failed then output 'Continue' button
$installation->output_continue_button();
return;
}
$ffmpegOutput = null;
exec('ffmpeg -L', $ffmpegOutput);
if (empty($ffmpegOutput)) {
