Migrating from PHP 5.6.x to PHP 7.0.x
- Backward incompatible changes
- New features
- Deprecated features in PHP 7.0.x
- Changed functions
- New functions
- New Classes and Interfaces
- New Global Constants
- Changes in SAPI Modules
- Removed Extensions and SAPIs
- Other Changes
PHP 7 is under development
PHP 7.0 is still under development and while it is unlikely to happen, the features and changes noted in this section are subject to change before the final 7.0.0 release. Please double check this migration guide before deploying a stable 7.0 release to production.
Despite the fact that PHP 7.0 is a new major version, efforts were put in to make migration as painless as possible. This release focusses mainly on removing functionality deprecated in previous versions and improving language consistency.