Re-add syntax highlighting to daily emails and
...ATDC lessons
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@ -10,7 +10,7 @@ tags:
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Continuing with yesterday's data transfer object (DTO) example, something that can be done since PHP 8.1 is to make properties read-only:
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```php
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```language-php
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class AccountDetails {
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public function __construct(
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@ -25,7 +25,7 @@ This means the public properties can be read and used without the need for gette
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Without `readonly`, a DTO can be created and the property values can be changed:
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```php
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```language-php
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$accountDetails = new AccountDetails('12345678', '00-00-00');
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$accountDetails->accountNumber = 'banana';
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```
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