Migrating from PHP 5.5.x to PHP 5.6.x (original) (raw)

Most improvements in PHP 5.6.x have no impact on existing code. There are a few incompatibilities and new features that should be considered, and code should be tested before switching PHP versions in production environments.

See also the migration guides for PHP versions5.0.x,5.1.x,5.2.x,5.3.x,5.4.x and5.5.x.