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polyfill_php73.rst

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.. index::
    single: Polyfill
    single: PHP
    single: Components; Polyfill

The Symfony Polyfill / PHP 7.3 Component

This component provides some PHP 7.3 features to applications using earlier PHP versions.

Installation

$ composer require symfony/polyfill-php73

Usage

Once this component is installed in your application, you can use the following functions, no matter if your PHP version is earlier than PHP 7.3.

Provided Functions