Online PHP editor | output for 6BZ2Z

@ 2015-11-12T10:57:28Z

<?php

class integer {
    private $value;
    
    public function __construct(int ...$value)
    {
        switch (count($value)) {
            case 0:
                break;
            case 1:
                $this->value = $value[0];
                break;
            default:
                throw new Exception('Multiple values given.');
        }
    }
    
    public function __invoke(int ...$value) : int
    {
        switch (count($value)) {
            case 0:
                break;
            case 1:
                $this->value = $value[0];
                break;
            default:
                throw new Exception('Multiple values given.');
        }
        return $this->value;
    }
    
    public function __toString() : int {
        return $this->value;
    }
}

$testi = new integer();
$testi(2);
print_r($testi);

Output for 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: integer::__toString(): Return type must be string when declared in /in/6BZ2Z on line 33
Process exited with code 255.
Output for 8.0.0 - 8.0.13: Fatal error: Declaration of integer::__toString(): int must be compatible with Stringable::__toString(): string in /in/6BZ2Z on line 33
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: integer Object ( [value:integer:private] => 2 )
Output for 5.6.0 - 5.6.40: Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/6BZ2Z on line 19
Process exited with code 255.
Output for 5.5.0 - 5.5.38: Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/6BZ2Z on line 6
Process exited with code 255.

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