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@ 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 git.master, git.master_jit, rfc.property-hooks: Fatal error: integer::__toString(): Return type must be string when declared in /in/6BZ2Z on line 33
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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