vbbs/app/Classes/FrameFields.php

<?php

namespace App\Classes;

class FrameFields
{
	private $fields = [];

	public function __construct(array $fields)
	{
		$this->fields = $fields;
	}

	public function __get($key)
	{
		return array_get($this->fields,$key);
	}

	public function output(string $filler)
	{
		switch ($this->type) {
			case 'd':
				$out = date('D d M H:ia');

				return substr($out.($this->length > strlen($out) ? str_repeat($filler,$this->length-strlen($out)) : ''),0,$this->length);

			default:
				return str_repeat($filler,$this->length);
		}
	}
}