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@ 2020-03-23T01:43:07Z

<?php

class Collection
{
    public $fixedArray;

    public function __construct(SplFixedArray $splFixedArray)
    {
        $this->fixedArray = $splFixedArray;
    }

    public function getSum()
    {
        $sum = 0;
        $arr = $this->fixedArray;
        foreach ($arr as $item) {
            $sum += $item;
        }

        return $sum;
    }

}

$spl = SplFixedArray::fromArray([0, 1, 2]);

$collection = new Collection($spl);
$collArr = $collection->fixedArray;

echo 'Test #1'.PHP_EOL;

$i = 0;

foreach ($collArr as $item) {
    echo '-- iteration: ' . $i . ', item: ' . $item .', sum: ' . $collection->getSum() . PHP_EOL;
    $i++;
}


echo 'Expected 3 iterations, executed ' . $i . PHP_EOL;
echo PHP_EOL;

echo 'Test #2'.PHP_EOL;

$i = 0;
// Note, unless we use $collection->getSum() inside the loop - it works as expected!
foreach ($collArr as $item) {
    echo '-- iteration: ' . $i . ', item: ' . $item . PHP_EOL;
    $i++;
}

echo 'Expected 3 iterations, executed ' . $i . PHP_EOL;

Output for git.master, git.master_jit, rfc.property-hooks: Test #1 -- iteration: 0, item: 0, sum: 3 -- iteration: 1, item: 1, sum: 3 -- iteration: 2, item: 2, sum: 3 Expected 3 iterations, executed 3 Test #2 -- iteration: 0, item: 0 -- iteration: 1, item: 1 -- iteration: 2, item: 2 Expected 3 iterations, executed 3

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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