PHP Current & Next City

snippet.php

<?php
// Dates on left (nice easy format), cities on right
$locations = array(
	'1st June 2015' 	=> 'Dubai (GMT+4)',
	'8th July 2015' 	=> 'Budapest (GMT+2)',
	'1st August 2015' 	=> 'London (GMT+1)',
	'14th August 2015' 	=> 'Scotland (GMT+1)'
);

$today		= strtotime( 'now' );
$current_city	= '';
$next		= false;

// Loop through locations to find current + next
foreach( $locations as $date => $location ) {
	// If previous is current, then we'll set this as the next
	if( $next ) {
		$next_city	= $location;
		$next		= false;
	}

	// If today greater than arrival date, set this as current (note: will be set multiple times until we end up at current)
	if( $today >= strtotime( $date ) ) {
		$current_city	= $location;
		$next		= true;
	}
}