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<?php namespace Illuminate\Support;
class ClassLoader {
/**
* The registered directories.
*
* @var array
*/
protected static $directories = array();
/**
* Indicates if a ClassLoader has been registered.
*
* @var bool
*/
protected static $registered = false;
/**
* Load the given class file.
*
* @param string $class
* @return bool
*/
public static function load($class)
{
$class = static::normalizeClass($class);
foreach (static::$directories as $directory)
{
if (file_exists($path = $directory.DIRECTORY_SEPARATOR.$class))
{
require_once $path;
return true;
}
}
return false;
}
/**
* Get the normal file name for a class.
*
* @param string $class
* @return string
*/
public static function normalizeClass($class)
{
if ($class[0] == '\\') $class = substr($class, 1);
return str_replace(array('\\', '_'), DIRECTORY_SEPARATOR, $class).'.php';
}
/**
* Register the given class loader on the auto-loader stack.
*
* @return void
*/
public static function register()
{
if ( ! static::$registered)
{
static::$registered = spl_autoload_register(array('\Illuminate\Support\ClassLoader', 'load'));
}
}
/**
* Add directories to the class loader.
*
* @param string|array $directories
* @return void
*/
public static function addDirectories($directories)
{
static::$directories = array_merge(static::$directories, (array) $directories);
static::$directories = array_unique(static::$directories);
}
/**
* Remove directories from the class loader.
*
* @param string|array $directories
* @return void
*/
public static function removeDirectories($directories = null)
{
if (is_null($directories))
{
static::$directories = array();
}
else
{
$directories = (array) $directories;
static::$directories = array_filter(static::$directories, function($directory) use ($directories)
{
return ( ! in_array($directory, $directories));
});
}
}
/**
* Gets all the directories registered with the loader.
*
* @return array
*/
public static function getDirectories()
{
return static::$directories;
}
}
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