Change PHP Language Library in eclipse Oxygen

Question

Eclipse for PHP Developers Version: Oxygen Release (4.7.0) Build id: 20170620-1800

How can I change the PHP Language Library to PHP 7 (see screen below)

Answer 1

1. Right-click on the project folder and choose Properties
2. In the properties dialog, in PHP > Validation
   1. Enable project specific settings
   2. As PHP Version choose
      • 7.0 (uniform variable syntax, scalar type hint,...) or
      • 7.1 (void return types, class constant visibility,...)

You also might configure installed PHPs: Window > Properties: PHP > Installed PHPs

See also PHP help: PHP Interpreter Properties