Migrating from PHP 7.0.x to PHP 7.1.x

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- PHP Manual
- Appendices
- Migrating from PHP 7.0.x to PHP 7.1.x

# Migrating from PHP 7.0.x to PHP 7.1.x

## Table of Contents

- New features
- New functions
- New global constants
- Backward incompatible changes
- Deprecated features in PHP 7.1.x
- Changed functions
- Other changes
- Windows Support

This new minor version brings with it a number of new features and a few incompatibilities that should be tested for before switching PHP versions in production environments.

See also the migration guides for PHP versions 7.0.x.