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@ 2014-03-28T10:29:34Z

<?php

function add_weeks($weeks = 1, $base = 'now')
{
    // normalise base to a unix timestamp
    if (!is_string($base)) {
        $base = intval($base);
    } else {
        $base = strtotime($base);
    }
    var_dump(date('Y-m-d', $base));

    // get the date one week from the base
    $result = strtotime(sprintf("@{$base} +{$weeks} weeks", $base, $weeks));
    var_dump(date('Y-m-d', $result));

    // if it falls in a different month, get the last day of the base month
    if (date('n', $base) !== date('n', $result)) {
        $result = strtotime("last day of month @{$base}");
    }

    return $result;
}

echo date('Y-m-d', add_weeks(1)) . "\n";
echo date('Y-m-d', add_weeks(2)) . "\n";
echo date('Y-m-d', add_weeks(1, '2012-06-18')) . "\n";
echo date('Y-m-d', add_weeks(2, '2012-06-18')) . "\n";

Output for git.master, git.master_jit, rfc.property-hooks: string(10) "2014-03-28" string(10) "2014-04-04" 1970-01-01 string(10) "2014-03-28" string(10) "2014-04-11" 1970-01-01 string(10) "2012-06-18" string(10) "2012-06-25" 2012-06-25 string(10) "2012-06-18" string(10) "2012-07-02" 1970-01-01

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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