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@ 2021-09-19T08:36:07Z

<?php

function isWeekend($date) 
{
    if ($date instanceof DateTime) {
        $date = DateTimeImmutable::createFromMutable($date);
    }

    return $date->setTime(0,0,0) != $date->modify('this weekday');
}

function isWeekendUnixTimestamp($dateValue)
{
    return date('Yz', strtotime($dateValue)) != date('Yz', strtotime($dateValue . ' this weekday'));
}

echo 'DateTimeInterface Comparison:' . PHP_EOL;

$sunday = new DateTimeImmutable('Sunday');
$periods = new DatePeriod($sunday, new DateInterval('P1D'), 6);
foreach ($periods as $date) {
    echo $date->format('D') . ' is' . (isWeekend($date) ? '' : ' not') . ' a weekend' . PHP_EOL;
}

echo  PHP_EOL . 'String Comparison:' . PHP_EOL;
foreach ($periods as $date) {
    echo $date->format('D')  . ' is' . (isWeekendUnixTimestamp($date->format('Y-m-d')) ? '' : ' not') . ' a weekend' . PHP_EOL;
}

Output for git.master, git.master_jit, rfc.property-hooks: DateTimeInterface Comparison: Sun is a weekend Mon is not a weekend Tue is not a weekend Wed is not a weekend Thu is not a weekend Fri is not a weekend Sat is a weekend String Comparison: Sun is a weekend Mon is not a weekend Tue is not a weekend Wed is not a weekend Thu is not a weekend Fri is not a weekend Sat is a weekend

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Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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