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lechidung/Union types

Last active November 29, 2020 18:19
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PHP 8
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Union types
/*** PHP 7 ***/
class Number {
/** @var int|float */
private $number;
/**
* @param float|int $number
*/
public function __construct($number) {
$this->number = $number;
}
}
new Number('NaN'); // Ok
/*** PHP 8 ***/
class Number {
public function __construct(
private int|float $number
) {}
}
new Number('NaN'); // TypeError
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