First-class class in the PHP

annonymous-instance.php

<?php

$inst = new class("> ") {
	private $prefix;
	function __construct(string $prefix)
	{
		$this->prefix = $prefix;
	}

	function log($msg)
	{
		echo $this->prefix . $msg;
	}
}

dump($inst);

anonymous-class.php

<?php

$klass = class {
	private $prefix;
	function __construct(string $prefix)
	{
		$this->prefix = $prefix;
	}

	function log($msg)
	{
		echo $this->prefix . $msg;
	}
}

dump(new $klass("> "));