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--TEST--
Check for reference serialization
--SKIPIF--
<?php
if (version_compare(PHP_VERSION, "8.0.0dev", ">=")) {
die("skip PHP >= 8.0\n");
}
?>
--FILE--
<?php
if(!extension_loaded('msgpack')) {
dl('msgpack.' . PHP_SHLIB_SUFFIX);
}
function test($type, $variable, $test) {
$serialized = msgpack_serialize($variable);
$unserialized = msgpack_unserialize($serialized);
echo $type, PHP_EOL;
echo bin2hex($serialized), PHP_EOL;
var_dump($unserialized);
echo $test || $unserialized == $variable ? 'OK' : 'ERROR', PHP_EOL;
}
$a = array('foo');
test('array($a, $a)', array($a, $a), false);
test('array(&$a, &$a)', array(&$a, &$a), false);
$a = array(null);
$b = array(&$a);
$a[0] = &$b;
test('cyclic', $a, true);
var_dump($a);
var_dump(msgpack_unserialize(msgpack_serialize($a)));
--EXPECT--
array($a, $a)
9291a3666f6f91a3666f6f
array(2) {
[0]=>
array(1) {
[0]=>
string(3) "foo"
}
[1]=>
array(1) {
[0]=>
string(3) "foo"
}
}
OK
array(&$a, &$a)
9282c00100a3666f6f82c0020002
array(2) {
[0]=>
&array(1) {
[0]=>
string(3) "foo"
}
[1]=>
&array(1) {
[0]=>
string(3) "foo"
}
}
OK
cyclic
9182c0010082c0010082c0020002
array(1) {
[0]=>
&array(1) {
[0]=>
array(1) {
[0]=>
*RECURSION*
}
}
}
OK
array(1) {
[0]=>
&array(1) {
[0]=>
&array(1) {
[0]=>
*RECURSION*
}
}
}
array(1) {
[0]=>
&array(1) {
[0]=>
array(1) {
[0]=>
*RECURSION*
}
}
}