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