--- /dev/null
+<?php
+
+/**
+ * Use to autoload needed classes without Composer.
+ *
+ * @param string $class The fully-qualified class name.
+ * @return void
+ */
+spl_autoload_register(function ($class) {
+
+ // project-specific namespace prefix
+ $prefix = 'Abraham\\TwitterOAuth\\';
+
+ // base directory for the namespace prefix
+ $base_dir = __DIR__ . '/src/';
+
+ // does the class use the namespace prefix?
+ $len = strlen($prefix);
+ if (strncmp($prefix, $class, $len) !== 0) {
+ // no, move to the next registered autoloader
+ return;
+ }
+
+ // get the relative class name
+ $relative_class = substr($class, $len);
+
+ // replace the namespace prefix with the base directory, replace namespace
+ // separators with directory separators in the relative class name, append
+ // with .php
+ $file = $base_dir . str_replace('\\', '/', $relative_class) . '.php';
+
+ // if the file exists, require it
+ if (file_exists($file)) {
+ require $file;
+ }
+});