• Window→Show View→PHP Explorer
• Window→Show View→PHP Functions
• Window→Show View→PHP Project Outline

If you want change to mode PHP for coding or mode Debug for debug, Click button PHP or Debug at top right corner

Under Window → Preferences:

• set Encoding UTF-8: Expand left menu to General → Workspace:
  • Check Text file encoding and select:

    Other:
      UTF-8

  • Check New text file line delimiter and select:

    Other:
      Unix

• Ensure that spaces are used instead of tabs: Expand left menu to General → Editors → Text Editors
  • Check Insert spaces for tabs
  • Change Displayed Tab Width: 2
• Removing trailing whitespaces: Click left menu PHP→Editor→Save Actions: check Remove trailing whitespace and select All lines

• Step1: config common config for PHP
• Step2: config Drupal file types are recognized as PHP files:
  • Under Window → Preferences, Expand left menu to General → Editors → File Associations. Under File Associations on the right click 'content type', Add add the *.engine, *.theme, *.install, *.inc, *.make (for Drush make files), *.module, *.profile and *.test in “PHP Content Type”

Under menu File→New→PHP Project from Existing Directory

• Config xdebug in PHP follow link:Config xdebug in PHP
• change default debug mode to xdebug

• change debug mode in “Run Configuration”