symfony/polyfill-php73 's direct dependencies. Data on all dependencies, including transitive ones, is available via CSV download.| Name | Version | Size | License | Type | Vulnerabilities |
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The Symfony/polyfill-php73 is a valuable component that provides functionalities from PHP 7.3 and higher to lower PHP versions. It effectively backports a selection of PHP 7.3+ features, enhancing the compatibility and functionality of your PHP projects. These include array_key_first, array_key_last, hrtime, is_countable functions, as well as the JsonException.
To use Symfony/polyfill-php73, all you need to do is include it in your project through Composer. You can run the following command on your command line:
composer require symfony/polyfill-php73
Once you do that, you can utilize the provided features in your PHP code as if they were native to your PHP version. Here are some of the ways to use the functions provided:
$firstKey = array_key_first($array);
$lastKey = array_key_last($array);
$highResTime = hrtime(true);
$isCountable = is_countable($array);
try {
// some json operations
} catch (JsonException $e) {
// handle exception
}
While there is no dedicated documentation specifically for symfony/polyfill-php73, detailed information about Polyfill components, including symfony/polyfill-php73, can be found in the main Polyfill README on GitHub. It's a good resource to understand more about polyfills and how to use this tool in your PHP development.
