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<?php $m = 1; $y = 2016; foreach (range(1, 31) as $day) { if($day <= 9){ $day = '0'.$day; } // this is the important bit $snap = strtotime("monday this week",strtotime("$m/$day/$y")); echo "Original date Resulting date\n"; echo str_pad(date('l',strtotime("$m/$day/$y")), 9, " ", STR_PAD_LEFT)," $m/$day/$y: ",date('r',$snap),"\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
Original date Resulting date Friday 1/01/2016: Mon, 28 Dec 2015 00:00:00 +0100 Original date Resulting date Saturday 1/02/2016: Mon, 28 Dec 2015 00:00:00 +0100 Original date Resulting date Sunday 1/03/2016: Mon, 28 Dec 2015 00:00:00 +0100 Original date Resulting date Monday 1/04/2016: Mon, 04 Jan 2016 00:00:00 +0100 Original date Resulting date Tuesday 1/05/2016: Mon, 04 Jan 2016 00:00:00 +0100 Original date Resulting date Wednesday 1/06/2016: Mon, 04 Jan 2016 00:00:00 +0100 Original date Resulting date Thursday 1/07/2016: Mon, 04 Jan 2016 00:00:00 +0100 Original date Resulting date Friday 1/08/2016: Mon, 04 Jan 2016 00:00:00 +0100 Original date Resulting date Saturday 1/09/2016: Mon, 04 Jan 2016 00:00:00 +0100 Original date Resulting date Sunday 1/10/2016: Mon, 04 Jan 2016 00:00:00 +0100 Original date Resulting date Monday 1/11/2016: Mon, 11 Jan 2016 00:00:00 +0100 Original date Resulting date Tuesday 1/12/2016: Mon, 11 Jan 2016 00:00:00 +0100 Original date Resulting date Wednesday 1/13/2016: Mon, 11 Jan 2016 00:00:00 +0100 Original date Resulting date Thursday 1/14/2016: Mon, 11 Jan 2016 00:00:00 +0100 Original date Resulting date Friday 1/15/2016: Mon, 11 Jan 2016 00:00:00 +0100 Original date Resulting date Saturday 1/16/2016: Mon, 11 Jan 2016 00:00:00 +0100 Original date Resulting date Sunday 1/17/2016: Mon, 11 Jan 2016 00:00:00 +0100 Original date Resulting date Monday 1/18/2016: Mon, 18 Jan 2016 00:00:00 +0100 Original date Resulting date Tuesday 1/19/2016: Mon, 18 Jan 2016 00:00:00 +0100 Original date Resulting date Wednesday 1/20/2016: Mon, 18 Jan 2016 00:00:00 +0100 Original date Resulting date Thursday 1/21/2016: Mon, 18 Jan 2016 00:00:00 +0100 Original date Resulting date Friday 1/22/2016: Mon, 18 Jan 2016 00:00:00 +0100 Original date Resulting date Saturday 1/23/2016: Mon, 18 Jan 2016 00:00:00 +0100 Original date Resulting date Sunday 1/24/2016: Mon, 18 Jan 2016 00:00:00 +0100 Original date Resulting date Monday 1/25/2016: Mon, 25 Jan 2016 00:00:00 +0100 Original date Resulting date Tuesday 1/26/2016: Mon, 25 Jan 2016 00:00:00 +0100 Original date Resulting date Wednesday 1/27/2016: Mon, 25 Jan 2016 00:00:00 +0100 Original date Resulting date Thursday 1/28/2016: Mon, 25 Jan 2016 00:00:00 +0100 Original date Resulting date Friday 1/29/2016: Mon, 25 Jan 2016 00:00:00 +0100 Original date Resulting date Saturday 1/30/2016: Mon, 25 Jan 2016 00:00:00 +0100 Original date Resulting date Sunday 1/31/2016: Mon, 25 Jan 2016 00:00:00 +0100

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