$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.

Common
Advanced

Common

Name	Return	Summary
$classLoader->addNamespace() $classLoader->addNamespace(string $namespace, string $path) $classLoader->addNamespace(string $namespace, string $path)	(nothing)	Add a namespace to point to a path root
$classLoader->addPrefix() $classLoader->addPrefix(string $prefix, string $path) $classLoader->addPrefix(string $prefix, string $path)	(nothing)	Map a class prefix to a path
$classLoader->addSuffix() $classLoader->addSuffix(string $suffix, string $path) $classLoader->addSuffix(string $suffix, string $path)	(nothing)	Map a class suffix to a path
$classLoader->findClassFile() $classLoader->findClassFile(string $className) $classLoader->findClassFile(string $className)	`bool` `string`	Find filename for given class name (primarily for API testing/debugging purposes)
$classLoader->getNamespace() $classLoader->getNamespace(string $namespace) $classLoader->getNamespace(string $namespace)	`array`	Return array of paths for the given namespace, or empty array if none found
$classLoader->hasNamespace() $classLoader->hasNamespace(string $namespace) $classLoader->hasNamespace(string $namespace)	`bool`	Return true if namespace is defined with paths or false if not
$classLoader->removeNamespace() $classLoader->removeNamespace(string $namespace) $classLoader->removeNamespace(string $namespace, string $path = '')	(nothing)	Remove defined paths (or single path) for given namespace

Advanced

Name	Return	Summary
$classLoader->addExtension() $classLoader->addExtension(string $ext) $classLoader->addExtension(string $ext)	(nothing)	Add a recognized file extension for PHP files
$classLoader->loadClass() $classLoader->loadClass(string $className) $classLoader->loadClass(string $className)	(nothing)	Load the file for the given class

API reference based on ProcessWire core version 3.0.236

Newest forum posts

Not able to retrieve/generate product variant attributes
45 minutes ago
Weekly update – 17 May 2024
56 minutes ago
☁️ Duplicator: Backup and move sites
2 hours ago
Module RockFrontendTailwind - A Tailwind Starter Profile for RockFrontend
5 hours ago
Batch Child Editor
10 hours ago
Adding custom page classes for module-specific templates
19 May 2024

Latest news

ProcessWire Weekly #523
In the 523rd issue of ProcessWire Weekly we'll check out what's new in the core this week, share some new module related news, and more. Read on!
Weekly.pw / 18 May 2024
ProFields Table Field with Actions support
This week we have some updates for the ProFields table field (FieldtypeTable). These updates are primarily focused on adding new tools for the editor to facilitate input and management of content in a table field.
Blog / 12 April 2024
Subscribe to weekly ProcessWire news

“…building with ProcessWire was a breeze, I really love all the flexibility the system provides. I can’t imagine using any other CMS in the future.” —Thomas Aull