Online PHP editor | output for Na35o

@ 2022-03-18T21:42:11Z

<?php

class class_a {
    public function __construct(
        private readonly string $foo,
    ) {}
}

class class_b extends class_a {
    public function __construct(
        string $foo,
        public readonly string $bar,
    ) {
        parent::__construct($foo); // no really needed here.
    }
}

class class_c  {
    public function __construct(
        private readonly string $foo,
        public readonly string $bar,
    ) {
    }
}


$b = new class_b('foo_value', 'bar_value');
$c = new class_c('foo_value', 'bar_value');

var_dump(serialize($b), serialize($c));

Output for 8.1.0 - 8.1.34, 8.2.22 - 8.2.30, 8.3.5 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3: string(80) "O:7:"class_b":2:{s:12:"class_afoo";s:9:"foo_value";s:3:"bar";s:9:"bar_value";}" string(80) "O:7:"class_c":2:{s:12:"class_cfoo";s:9:"foo_value";s:3:"bar";s:9:"bar_value";}"
Output for 8.0.1 - 8.0.17: Parse error: syntax error, unexpected identifier "string", expecting variable in /in/Na35o on line 5
Process exited with code 255.
Output for 7.4.0 - 7.4.28: Parse error: syntax error, unexpected 'private' (T_PRIVATE), expecting variable (T_VARIABLE) in /in/Na35o on line 5
Process exited with code 255.

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