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--TEST--
Not-modifying a readonly property holding an object
--FILE--
<?php
class Test {
public readonly object $prop;
public function __construct(object $prop) {
$this->prop = $prop;
}
}
$test = new Test(new stdClass);
$test->prop->foo = 1;
$test->prop->foo += 1;
$test->prop->foo++;
try {
$test->prop += 1;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
try {
$test->prop++;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
try {
--$test->prop;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
var_dump($test->prop);
// Unfortunately this is allowed, but does not modify $test->prop.
$ref =& $test->prop;
$ref = new stdClass;
var_dump($test->prop);
$test = new Test(new ArrayObject());
$test->prop[] = [];
$test->prop[0][] = 1;
var_dump($test->prop);
?>
--EXPECT--
Unsupported operand types: stdClass + int
Cannot modify readonly property Test::$prop
Cannot modify readonly property Test::$prop
object(stdClass)#2 (1) {
["foo"]=>
int(3)
}
object(stdClass)#2 (1) {
["foo"]=>
int(3)
}
object(ArrayObject)#7 (1) {
["storage":"ArrayObject":private]=>
array(1) {
[0]=>
array(1) {
[0]=>
int(1)
}
}
}
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