A nerdy timer to count down the final minutes to an Apple event.

AppleEventTimer.php

<?php
//Just for fun
$appleEventTimer = new AppleEventTimer(strtotime("12 September 2017"));
$appleEventTimer->start();
echo("AppleEventTimer> exit, APPLE EVENT IS NOW!\n");

class AppleEventTimer{
	/** @var int */
	const APPLE_EVENT_TIME = 19; //h
	
	/** @var int */
	private $appleEventTime; //UNIX TIMESTAMP (s)
	/** @var bool */
	private $run = false;
	/** @var int */
	private $currTick = 0;
	
	function __construct(int $appleEventDate){
		$this->appleEventTime = $appleEventDate + self::APPLE_EVENT_TIME * 60 * 60;
	}
	
	function recursiveMainTick(){
		if(time() >= $this->appleEventTime){
			echo("AppleEventTimer> THE APPLE EVENT IS NOW!\n");
			$this->stop();
			return;
		}
		if(($this->currTick % 30) === 0){ //every 30 secs
			$willBeInS = $this->appleEventTime - time();
			echo("AppleEventTimer> The Apple event will be in ".(($willBeInS / 60) % 100)."min(s) and ".($willBeInS % 60)."s!\n");
		}
		$this->currTick++;
		if($this->run){
			sleep(1);
			$this->recursiveMainTick();
		}
	}

	function start(){
		$this->run = true;
		$this->recursiveMainTick();
	}

	function stop(){
		$this->run = false;
		$this->currTick = 0;
	}
}