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@ 2015-12-12T16:32:14Z

<?php
/*
for each month i
    6monthAvg = round(
        (
            (
                $profits[$i]
    +((isset($profits[$i-1])) ? $profits[$i-1] : 0)
    +((isset($profits[$i-2])) ? $profits[$i-2] : 0)
    +((isset($profits[$i-3])) ? $profits[$i-3] : 0)
    +((isset($profits[$i-4])) ? $profits[$i-4] : 0)
    +((isset($profits[$i-5])) ? $profits[$i-5] : 0))/6),2);
    
    
    for($i = 5, $length = count($months); $i < $length; $i++) {
        echo round(array_sum(array_slice($months, $i, -6), 2);
    }
    
    foreach(array_chunk($months, 6) as $sixMonths){
        if(count($sixMonths) == 6)
            echo round(array_sum($sixMonths), 2);
        else
            echo "Not 6 months avilable";
    }
    
    */
    
    print_r(array_slice([1,2,3,4,5,6], 5, -6));

Output for git.master, git.master_jit, rfc.property-hooks: Array ( )

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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