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--TEST--
__serialize() mechanism (021): Temporary references in serialized arrays should be properly deduplicated
--FILE--
<?php
// This test will also pass before php 7.4 - it will just not call __serialize in older php versions.
// (not a good example, the formats are incompatible)
class Test {
/** @var int */
public $i;
public function __construct(int $i) {
$this->i = $i;
}
public function __serialize() {
$j = $this->i + 0x7700;
return [&$j, &$j];
}
public function __unserialize(array $data) {
list($this->i) = $data;
}
}
$values = [];
for ($i = 0; $i < 256; $i++) {
$values[] = new Test($i);
}
$ser = igbinary_serialize($values);
$result = igbinary_unserialize($ser);
printf("Count=%d\n", count($values));
$j = 0;
foreach ($values as $i => $v) {
if ($i !== $j) {
echo "Unexpected key $i, expected $j\n";
}
if ($v->i !== $j) {
echo "Unexpected value {$v->i}, expected $j\n";
}
$j++;
}
echo "Done\n";
?>
--EXPECT--
Count=256
Done
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