|  Download layout: default
permalink: /installation/
title: InstallationInstallationThrough Composer, obviously: composer require league/flysystem
 You can also use Flysystem without using Composer by registering an autoloader function: spl_autoload_register(function($class) {
    $prefix = 'League\\Flysystem\\';
    if ( ! substr($class, 0, 17) === $prefix) {
        return;
    }
    $class = substr($class, strlen($prefix));
    $location = __DIR__ . 'path/to/flysystem/src/' . str_replace('\\', '/', $class) . '.php';
    if (is_file($location)) {
        require_once($location);
    }
});
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