Online PHP editor | output for Y2hei

@ 2021-11-12T15:18:32Z

<?php

class C {
    public readonly string $full;
    
    public function __construct(
        public readonly string $first,
        public readonly string $last,
    ) {
        unset($this->full);
    }
    
    public function __get(string $key)
    {
        print __FUNCTION__ . PHP_EOL;
        if ($key === 'full') {
            $this->full = "$this->first $this->last";
            return $this->full;
        }
    }
}

$c = new C('Larry', 'Garfield');

print $c->first . PHP_EOL;
print $c->full . PHP_EOL;
print $c->full . PHP_EOL;

Output for 8.1.30 - 8.1.34, 8.2.23 - 8.2.30, 8.3.5 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3: Larry __get Larry Garfield Larry Garfield
Output for 8.0.0 - 8.0.12: Parse error: syntax error, unexpected identifier "string", expecting variable in /in/Y2hei 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/Y2hei 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/Y2hei on line 4
Process exited with code 255.

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