Online PHP editor | output for BO44o

<?php function daysUntil($start,$end){ $datetime1 = date_create(date('Y-m-d',strtotime($start))); $datetime2 = date_create(date('Y-m-d',strtotime($end))); $interval = date_diff($datetime1, $datetime2); return "From $start to $end: ".$interval->format('%d'); } echo daysUntil('Wednesday','Saturday'),"\n"; // Thursday, Friday, Saturday echo daysUntil('Monday','Friday'),"\n"; // Tuesday, Wednesday, Thursday, Friday echo daysUntil('Thursday','Thursday'),"\n"; // [assumed next week] echo daysUntil('Friday','Monday'),"\n"; // Saturday, Sunday, Monday echo daysUntil('Saturday','Sunday'),"\n"; // Sunday echo daysUntil('Sunday','Saturday'),"\n"; // Monday, Tuesday, Wednesday, Thursday, Friday, Saturday echo daysUntil('Sunday','Wednesday'); // Monday, Tuesday, Wednesday