Migrating from PHP 5.4.x to PHP 5.5.x (original) (raw)

Table of Contents

• What has changed in PHP 5.5.x
• Backward Incompatible Changes
• New features
• Deprecated features in PHP 5.5.x
• Changed Functions
• New Functions
• New Classes and Interfaces
• New Methods
• Other changes to extensions
• New Global Constants
• Changes to INI file handling
• Changes to PHP Internals

See also the migration guides for PHP versions5.0.x,5.1.x,5.2.x,5.3.x,5.4.x,5.6.x, and7.0.x.