Online PHP editor | output for vKnVo

@ 2021-11-15T18:13:18Z

<?php

class Point {
    public readonly string $name;
 
 
    public function __construct(
        public readonly int $x,
        public readonly int $y,
    ) {}
 
    public function setName(string $name): static
    {
        $this->name ??= $name;
        return $this;
    }
}
 
$p = new Point(3, 4);
 
$p->setName('Larry');
 
var_dump($p);
 
$rClass = new \ReflectionClass(Point::class);
$new = $rClass->newInstanceWithoutConstructor();

$setter = (fn (string $k, mixed $v) => $this->$k = $v)->bindTo($new, $new);

$setter('x', 3);
$setter('y', 4);
$setter('name', 'Larry');


var_dump($new);

Output for 8.1.30 - 8.1.33, 8.2.23 - 8.2.29, 8.3.5 - 8.3.26, 8.4.1 - 8.4.13: object(Point)#1 (3) { ["name"]=> string(5) "Larry" ["x"]=> int(3) ["y"]=> int(4) } object(Point)#3 (3) { ["name"]=> string(5) "Larry" ["x"]=> int(3) ["y"]=> int(4) }
Output for 8.0.0 - 8.0.12: Parse error: syntax error, unexpected identifier "string", expecting variable in /in/vKnVo on line 4
Process exited with code 255.
Output for 7.4.0 - 7.4.25: Parse error: syntax error, unexpected 'string' (T_STRING), expecting variable (T_VARIABLE) in /in/vKnVo on line 4
Process exited with code 255.
Output for 7.3.0 - 7.3.32: Parse error: syntax error, unexpected 'readonly' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/vKnVo on line 4
Process exited with code 255.

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