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<?php function daysUntil($start,$end){ $datetime1 = date_create(date('Y-m-d',strtotime($start))); $datetime2 = date_create(date('Y-m-d',strtotime($end))); $interval = $datetime1->diff($datetime2); return "From $start to $end: ".$interval->format('%R%a days'); } 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
Output for git.master, git.master_jit, rfc.property-hooks
From Wednesday to Saturday: +3 days From Monday to Friday: +4 days From Thursday to Thursday: +0 days From Friday to Monday: -4 days From Saturday to Sunday: +1 days From Sunday to Saturday: -1 days From Sunday to Wednesday: -4 days

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