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run code in 300+ PHP versions simultaneously
<?php readonly class Foo { public function __construct( private string $bar, ){} public function __clone() { $this->bar = 'test2'; } } $f = new Foo('test'); $f2 = clone $f; var_dump($f);
Output for 8.3.5 - 8.3.25, 8.4.1 - 8.4.12
object(Foo)#1 (1) { ["bar":"Foo":private]=> string(4) "test" }
Output for 8.2.22 - 8.2.29
Fatal error: Uncaught Error: Cannot modify readonly property Foo::$bar in /in/jHadc:10 Stack trace: #0 /in/jHadc(17): Foo->__clone() #1 {main} thrown in /in/jHadc on line 10
Process exited with code 255.
Output for 8.1.30 - 8.1.33
Parse error: syntax error, unexpected token "readonly", expecting end of file in /in/jHadc on line 3
Process exited with code 255.
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