The Symfony Polyfill / PHP 7.2 Component
The Symfony Polyfill / PHP 7.2 Component¶
This component provides some PHP 7.2 features to applications using earlier PHP versions.
$ composer require symfony/polyfill-php72
If you install this component outside of a Symfony application, you must
vendor/autoload.php file in your code to enable the class
autoloading mechanism provided by Composer. Read
this article for more details.
Once this component is installed in your application, you can use the following constants and functions, no matter if your PHP version is earlier than PHP 7.2.
PHP_OS_FAMILY(value = depends on your operating system)
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