[wp-trac] [WordPress Trac] #21300: Implement autoloader compatible with PSR-0 / PSR-4 for plugins and themes

[WordPress Trac]

#21300: Implement autoloader compatible with PSR-0 / PSR-4 for plugins and themes
-----------------------------+-------------------------
 Reporter:  dave1010         |       Owner:
     Type:  feature request  |      Status:  closed
 Priority:  normal           |   Milestone:
Component:  Bootstrap/Load   |     Version:
 Severity:  normal           |  Resolution:  maybelater
 Keywords:                   |     Focuses:
-----------------------------+-------------------------

Comment (by Denis-de-Bernardy):

 Fwiw, here's a simple autoloader that I'd love to see added to WP, so as
 to not need to constantly add the same lines of code in each plugin.

 Not that the lines are very long:

 {{{
 # PSR-4 Autoloader
 spl_autoload_register(function($class) {
     if ($class !== strstr($class, __NAMESPACE__ . '\\')) return;
     $file = substr($class, strlen(__NAMESPACE__));
     $file = str_replace('\\', DIRECTORY_SEPARATOR, $file) . '.php';
     $file = __DIR__ . DIRECTORY_SEPARATOR . 'src' . $file;
     if (file_exists($file)) {
         require $file;
     }
 }, true);
 }}}

 Still, I'd not need to constantly remember to copy/paste them if WP
 version offered something similar, e.g.:

 {{{
 class WP_Autoloader
     function __construct($namespace, $path) {
         $this->namespace = $namespace;
         $this->path = $path;
     }

     function load($class) {
         if ($class !== strstr($class, $this->namespace . '\\')) return;
         $file = substr($class, strlen($this->namespace));
         $file = str_replace('\\', DIRECTORY_SEPARATOR, $file) . '.php';
         $file = $this->path . $file;
         if (file_exists($file)) {
             require $file;
         }
     }
 }

 wp_register_autoloader($namespace, $path) {
     $loader = new WP_Autoloader($namespace, $path);
     spl_autoload_register(array($loader, 'load'), true);
 }
 }}}

 Or perhaps a variation of the above that accommodates prefixes instead of
 namespaces indifferently (I'll happily supply the patch if it's +1'ed). At
 any rate, I like this idea and think we should re-open the ticket.

--
Ticket URL: <https://core.trac.wordpress.org/ticket/21300#comment:18>
WordPress Trac <https://core.trac.wordpress.org/>
WordPress publishing platform