Concepts  

PHP Version Support

PHP Manual Integration

Content Assist

Real Time Error Detection

Syntax Coloring

Running

Automatic Completion  

Debugging

Matching Brackets

Breakpoints

Mark Occurrences  

PHP Include Path

Code Folding

PHP Build Path

Code Commenting | phpDoc Block Comments | Bookmarks

Path Mapping

Hover Support

JavaScript Support

Override Indicators

Mylyn Integration

PHP Working Sets

Phar Integration

Type Hierarchy