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Ilija Tovilo
46ee0fb304
Indirect modification isn't allowed in __construct() because it allows references to leak, so it doesn't make much sense to allow it in __clone().
34 lines
611 B
PHP
34 lines
611 B
PHP
--TEST--
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__clone() cannot indirectly modify unlocked readonly properties
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--FILE--
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<?php
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class Foo {
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public function __construct(
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public readonly array $bar
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) {}
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public function __clone()
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{
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$this->bar['bar'] = 'bar';
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}
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}
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$foo = new Foo([]);
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// First call fills the cache slot
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try {
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var_dump(clone $foo);
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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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var_dump(clone $foo);
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} catch (Error $e) {
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echo $e->getMessage(), "\n";
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}
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?>
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--EXPECT--
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Cannot indirectly modify readonly property Foo::$bar
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Cannot indirectly modify readonly property Foo::$bar
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