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