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run code in 300+ PHP versions simultaneously

@ 2019-05-02T21:06:12Z

<?php

$ar = [
      [
        'hashtag' => 'a7e87329b5eab8578f4f1098a152d6f4',
        'title' => 'Flower',
        'order' => 3,
      ],
      [
        'hashtag' => 'e7d31fc0602fb2ede144d18cdffd816b',
        'title' => 'Ready',
        'order' => 1,
      ],
            [
        'hashtag' => 'b24ce0cd392a5b0b8dedc66c25213594',
        'title' => 'Free',
        'order' => 2,
      ],
];

$tempArray = array();
$annotations = array();
while ($row = current($ar)) {
    $needle = $row['order'];
    arrayIndexes($needle, $tempArray);  // create a parallel array with IDs only
    $annotations[$needle]['title'] = $row['title']; // whatever
    next($ar);
}
asort($tempArray);
foreach ($tempArray as $arrayKey) {
    echo $annotations[$arrayKey]['title'] . \PHP_EOL;; 
}

function arrayIndexes ($needle, &$tempArray = array()) {
    $tempArray[] = $needle;
}

Output for git.master, git.master_jit, rfc.property-hooks: Ready Free Flower

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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