drupal_autoload_class($class)Confirm that a class is available.
This function is rarely called directly. Instead, it is registered as an spl_autoload() handler, and PHP calls it for us when necessary.
$class The name of the class to check or load.
TRUE if the class is currently available, FALSE otherwise.
includes/bootstrap.inc, line 2351
<?php
function drupal_autoload_class($class) {
return _registry_check_code('class', $class);
}
?>