Online PHP editor | output for Xsmfu

@ 2022-09-21T16:10:12Z

<?php

/*
// Original definition
readonly class Foo {
    public function __construct(private string $a) {}
}

var_dump(bin2hex(serialize(new Foo("foo")))); // 4f3a333a22466f6f223a313a7b733a363a2200466f6f0061223b733a333a22666f6f223b7d

*/

// New definition, 'a' is no longer required.
readonly class Foo {
    public function __construct() {}
}

var_dump(unserialize(hex2bin('4f3a333a22466f6f223a313a7b733a363a2200466f6f0061223b733a333a22666f6f223b7d')));

Output for 8.2.21 - 8.2.29, 8.3.5 - 8.3.26, 8.4.1 - 8.4.13: Fatal error: Uncaught Error: Cannot create dynamic property Foo::$a in /in/Xsmfu:18 Stack trace: #0 /in/Xsmfu(18): unserialize('O:3:"Foo":1:{s:...') #1 {main} thrown in /in/Xsmfu on line 18
Process exited with code 255.
Output for 8.1.0 - 8.1.33: Parse error: syntax error, unexpected token "readonly", expecting end of file in /in/Xsmfu on line 14
Process exited with code 255.
Output for 8.0.1 - 8.0.23: Parse error: syntax error, unexpected token "class" in /in/Xsmfu on line 14
Process exited with code 255.
Output for 7.4.0 - 7.4.30: Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/Xsmfu on line 14
Process exited with code 255.

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