polyfill_php70.rst

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

The Symfony Polyfill / PHP 7.0 Component

This component provides some PHP 7.0 features to applications using earlier PHP versions.

Installation

$ composer require symfony/polyfill-php70

Usage

Once this component is installed in your application, you can use the following constants, classes and functions, no matter if your PHP version is earlier than PHP 7.0.

Provided Constants

• PHP_INT_MIN (value = ~PHP_INT_MAX)

Provided Classes

• :phpclass:`ArithmeticError`
• :phpclass:`AssertionError`
• :phpclass:`DivisionByZeroError`
• :phpclass:`Error`
• :phpclass:`ParseError`
• :phpclass:`SessionUpdateTimestampHandlerInterface`
• :phpclass:`TypeError`

Provided Functions

• :phpfunction:`error_clear_last`
• :phpfunction:`intdiv`
• :phpfunction:`preg_replace_callback_array`
• :phpfunction:`random_bytes`
• :phpfunction:`random_int`