Calculate remaining days, hours, minutes and seconds from seconds

secondsToTime.php

<?php
function secondsToTime($seconds) {
	// Extract days
	$days = floor($seconds / 86400);

	// Extract hours
	$divisorHours = $seconds % 86400;
	$hours = floor($divisorHours / 3600);

	// Extract minutes
	$divisorMinutes = $seconds % 3600;
	$minutes = floor($divisorMinutes / 60);

	// Extract the remaining seconds
	$divisorSeconds = $divisorMinutes % 60;
	$seconds = floor($divisorSeconds);

	$timeleft = array(
		"d" => (int) $days,
		"h" => (int) $hours,
		"m" => (int) $minutes,
		"s" => (int) $seconds,
	);

	return $timeleft;
}