--- date: 2020-11-10 id: 19579c31-1dcc-4d11-b2f8-5f9180fa66d3 title: PHP constructor property promotion --- # Description Introduced in [PHP 8.0](20201109133834-php_8_0), constructor property promotions[^1] add new syntatctic sugar to create value & data transfer objects. # Syntax ``` php class Money { public Currency $currency; public int $amount; public function __construct( Currency $currency, int $amount, ) { $this->currency = $currency; $this->amount = $amount; } } ``` can be replaced with ``` php class Money { public function __construct( public Currency $currency, public int $amount, ) {} } ``` # Footnotes [^1]: