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|
--TEST--
Modifying a readonly property
--FILE--
<?php
class Test {
readonly public int $prop;
readonly public array $prop2;
public function __construct() {
// Initializing assignments.
$this->prop = 1;
$this->prop2 = [];
}
}
function byRef(&$ref) {}
$test = new Test;
var_dump($test->prop); // Read.
try {
$test->prop = 2;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
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";
}
try {
$ref =& $test->prop;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
try {
$test->prop =& $ref;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
try {
byRef($test->prop);
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
var_dump($test->prop2); // Read.
try {
$test->prop2[] = 1;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
try {
$test->prop2[0][] = 1;
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
?>
--EXPECT--
int(1)
Cannot modify readonly property Test::$prop
Cannot modify readonly property Test::$prop
Cannot modify readonly property Test::$prop
Cannot modify readonly property Test::$prop
Cannot indirectly modify readonly property Test::$prop
Cannot indirectly modify readonly property Test::$prop
Cannot indirectly modify readonly property Test::$prop
array(0) {
}
Cannot indirectly modify readonly property Test::$prop2
Cannot indirectly modify readonly property Test::$prop2
|
