migration54-php-changes-5

  • Migrating from PHP 5.3.x to PHP
    5.4.x
  • What has changed in PHP 5.4.x

  • What has changed in PHP 5.4.x
  • What has changed in PHP 5.4.x

    What has changed in PHP 5.4.x

    Most improvements in PHP 5.4.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.

    For systems being upgraded from an older version
    of PHP, the relevant documentation is available at: