class.element.php

<?php 

class Element {

	public $tag;
	public $content;
	public $attrs;

	public function __construct($t, $c, $a = []) {
		$this->tag = $t;
		$this->content = $c;
		$this->attrs = $a;
	}

	public function setAttribute($name, $value) {
		$this->attrs[$name] = $value;
	}

	public function __toString() {

		$attr_string = '';
		foreach($this->attrs as $name => $value) {
			$attr_string .= "{$name}='{$value}' ";
		}

		return "<$this->tag $attr_string>$this->content</$this->tag>";
	}

}