ConstantNotDefinedStrategy.php

<?php

namespace WPDesk\ShowDecision;

class ConstantNotDefinedStrategy implements ShouldShowStrategy
{

	/**
	 * @var string
	 */
	private string $constant;

	public function __construct(string $constant)
	{
		$this->constant = $constant;
	}

	public function shouldDisplay(): bool
	{
		return ! defined($this->constant);
	}

}