Online PHP editor | output for Kouff

@ 2017-02-07T10:16:24Z

<?php

$a1 = new stdclass;
$a2 = new stdclass;
$a3 = new stdclass;
$a4 = new stdclass;
$a5 = new stdclass;
$a6 = new stdclass;
$a7 = new stdclass;
$a8 = new stdclass;
$a9 = new stdclass;

function bla($o){
    return substr(spl_object_hash($o), 0, 16);
}

for($i = 1; $i < 10; $i++){
    $var = ${'a' . $i};
    var_dump($var);
    $r =  hex2bin(bla($var)) ^ hex2bin(bla($a1));
    $i = (int)bin2hex($r);
    $i += ($i % 2) === 0 ? 1 : -1;
    echo $i . "\n";
    echo "-------------------\n";
}

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14: object(stdClass)#1 (0) { } 1 ------------------- object(stdClass)#2 (0) { } 2 ------------------- object(stdClass)#3 (0) { } 3 ------------------- object(stdClass)#4 (0) { } 4 ------------------- object(stdClass)#5 (0) { } 5 ------------------- object(stdClass)#6 (0) { } 6 ------------------- object(stdClass)#7 (0) { } 7 ------------------- object(stdClass)#8 (0) { } 8 ------------------- object(stdClass)#9 (0) { } 9 -------------------

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