Online PHP editor | output for N9k7P

@ 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 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: 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
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 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
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Test #1 -- iteration: 0, item: 0, sum: 3 Expected 3 iterations, executed 1 Test #2 -- iteration: 0, item: 0 -- iteration: 1, item: 1 -- iteration: 2, item: 2 Expected 3 iterations, executed 3

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