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@ 2015-08-26T02:47:04Z

<?php
$strtDate = '2015-05-01';
$endDate = '2015-08-31';

$begin = new DateTime($strtDate);
$end = new DateTime(date("Y-m-d", strtotime("+1 day", strtotime($endDate))));
//                                                                            $weekNo = floor($begin->diff($end)->days / 7);
$startDateWeekCnt = floor( date('d',strtotime($begin)) / 7) ;
                                                                            // echo $startDateWeekCnt ."\n";
$endDateWeekCnt = floor( date('d',strtotime($end)) / 7) ;
                                                                            //echo $endDateWeekCnt. "\n";

$datediff = strtotime(date('Y-m',strtotime($endDate))."-01") - strtotime(date('Y-m',strtotime($strtDate))."-01");
$totalnoOfWeek = round(floor($datediff/(60*60*24)) / 7) + $endDateWeekCnt - $startDateWeekCnt ;
echo $totalnoOfWeek ."\n";

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Uncaught TypeError: strtotime(): Argument #1 ($datetime) must be of type string, DateTime given in /in/phhdV:8 Stack trace: #0 /in/phhdV(8): strtotime(Object(DateTime)) #1 {main} thrown in /in/phhdV on line 8
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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