$classLoader API variable / WireClassLoader class

The ProcessWire $classLoader API variable handles autoloading of classes and modules.

This class loader is similar to a PSR-4 autoloader but with knowledge of modules.


Click any linked item for full usage details and examples. Hookable methods are indicated with the icon.

Show $var?             Show args?        

API reference based on ProcessWire core version 3.0.172

Twitter updates

  • ProcessWire 3.0.173 adds several new requested features and this post focuses on one of my favorites: the ability to hook into and handle ProcessWire URLs, independent of pages— More
    5 March 2021
  • This week ProcessWire gained powerful new tools for finding pages and controlling how they are loaded. If you like to maximize performance and efficiency, you’ll like what 3.0.172 brings— More
    5 February 2021
  • ProcessWire 3.0.171 dev branch core updates – More
    22 January 2021

Latest news

  • ProcessWire Weekly #356
    In the 356th issue of ProcessWire Weekly we'll cover the latest core updates (ProcessWire 3.0.173), introduce new third party modules RockCalculator and RockIframe, and take a closer look at a brand new site of the week. Read on!
    Weekly.pw / 6 March 2021
  • ProcessWire 3.0.173 core updates: New URL hooks
    ProcessWire 3.0.173 adds several new requested features and this post focuses on one of my favorites: the ability to hook into and handle ProcessWire URLs, independent of pages.
    Blog / 5 March 2021
  • Subscribe to weekly ProcessWire news

“To Drupal, or to ProcessWire? The million dollar choice. We decided to make an early switch to PW. And in retrospect, ProcessWire was probably the best decision we made. Thanks are due to ProcessWire and the amazing system and set of modules that are in place.” —Unni Krishnan, Founder of PigtailPundits