{ "uuid": [ { "value": "098d8367-a714-4e16-97b5-44f42a2a1cc2" } ], "langcode": [ { "value": "en" } ], "type": [ { "target_id": "daily_email", "target_type": "node_type", "target_uuid": "8bde1f2f-eef9-4f2d-ae9c-96921f8193d7" } ], "revision_timestamp": [ { "value": "2025-05-11T09:00:44+00:00" } ], "revision_uid": [ { "target_type": "user", "target_uuid": "b8966985-d4b2-42a7-a319-2e94ccfbb849" } ], "revision_log": [], "status": [ { "value": true } ], "uid": [ { "target_type": "user", "target_uuid": "b8966985-d4b2-42a7-a319-2e94ccfbb849" } ], "title": [ { "value": "Cleaner PHP code with promoted constructor properties\n" } ], "created": [ { "value": "2023-04-12T00:00:00+00:00" } ], "changed": [ { "value": "2025-05-11T09:00:44+00:00" } ], "promote": [ { "value": false } ], "sticky": [ { "value": false } ], "default_langcode": [ { "value": true } ], "revision_translation_affected": [ { "value": true } ], "path": [ { "alias": "\/daily\/2023\/04\/12\/cleaner-php-code-with-promoted-constructor-properties", "langcode": "en" } ], "body": [ { "value": "\n
One of my favorite features that was introducted in PHP 8 was promoted constructor properties.<\/p>\n\n
If I'm passing arguments into a constructor, I can declare a visibility and it will be promoted to a property on the class.<\/p>\n\n
Here's an example of a value of a data transfer object that accepts a sort code and account number as strings:<\/p>\n\n
class AccountDetails {\n\n public function __construct(\n public string $accountNumber,\n public string $sortCode,\n ) {}\n\n}\n<\/code><\/pre>\n\nWithout promoted constructor properties, I'd need to create the properties and assign them manually, and I'd have this:<\/p>\n\n
class AccountDetails {\n\n public string $accountNumber;\n\n public string $sortCode;\n\n public function __construct(\n string $accountNumber,\n string $sortCode,\n ) {\n $this->accountNumber = $accountNumber;\n $this->sortCode = $sortCode;\n }\n\n}\n<\/code><\/pre>\n\nWhilst text editors and IDEs can create the properties automatically, I prefer this as it's less code, more readable and easier to understand.<\/p>\n\n ",
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One of my favorite features that was introducted in PHP 8 was promoted constructor properties.<\/p>\n\n
If I'm passing arguments into a constructor, I can declare a visibility and it will be promoted to a property on the class.<\/p>\n\n
Here's an example of a value of a data transfer object that accepts a sort code and account number as strings:<\/p>\n\n
class AccountDetails {\n\n public function __construct(\n public string $accountNumber,\n public string $sortCode,\n ) {}\n\n}\n<\/code><\/pre>\n\nWithout promoted constructor properties, I'd need to create the properties and assign them manually, and I'd have this:<\/p>\n\n
class AccountDetails {\n\n public string $accountNumber;\n\n public string $sortCode;\n\n public function __construct(\n string $accountNumber,\n string $sortCode,\n ) {\n $this->accountNumber = $accountNumber;\n $this->sortCode = $sortCode;\n }\n\n}\n<\/code><\/pre>\n\nWhilst text editors and IDEs can create the properties automatically, I prefer this as it's less code, more readable and easier to understand.<\/p>\n\n ",
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