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--TEST--
Test serializing multiple reference groups to the same empty array
--SKIPIF--
<?php
if (!function_exists('json_encode')) { echo "skip requires json_encode\n"; }
?>
--FILE--
<?php
function dump($array) {
echo count($array) . " values\n";
foreach ($array as $k => $value) {
echo "$k: " . json_encode($value) . "\n";
}
}
function main() {
$a = array();
$b = $a;
$c = $a;
$value = array(&$b, $a, &$b, &$c, &$c);
$ser = igbinary_serialize($value);
echo bin2hex($ser) . "\n";
$v = igbinary_unserialize($ser);
dump($v);
$v[0][] = 2;
dump($v);
$v[3][] = 3;
dump($v);
var_export($a);
}
main();
?>
--EXPECT--
000000021405060025140006011400060225010106032514000604250103
5 values
0: []
1: []
2: []
3: []
4: []
5 values
0: [2]
1: []
2: [2]
3: []
4: []
5 values
0: [2]
1: []
2: [2]
3: [3]
4: [3]
array (
)