fix

www/application/third_party/hybridauth/autoload.php

@@ -0,0 +1,53 @@
+<?php
+/**
+ * Basic autoloader for Hybridauth library which you may use as it is or as a template
+ * to suit your application's environment.
+ *
+ * Note that you'd ONLY need this file if you are not using composer.
+ */
+
+if (version_compare(PHP_VERSION, '5.4.0', '<')) {
+    throw new Exception('Hybridauth 3 requires PHP version 5.4 or higher.');
+}
+
+/**
+ * Register the autoloader for Hybridauth classes.
+ *
+ * Based off the official PSR-4 autoloader example found at
+ * http://www.php-fig.org/psr/psr-4/examples/
+ *
+ * @param string $class The fully-qualified class name.
+ *
+ * @return void
+ */
+spl_autoload_register(
+    function ($class) {
+        // project-specific namespace prefix. Will only kicks in for Hybridauth's namespace.
+        $prefix = 'Hybridauth\\';
+
+        // base directory for the namespace prefix.
+        $base_dir = __DIR__;   // By default, it points to this same folder.
+        // You may change this path if having trouble detecting the path to
+        // the source files.
+
+        // 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 . DIRECTORY_SEPARATOR . str_replace('\\', DIRECTORY_SEPARATOR, $relative_class) . '.php';
+
+        // if the file exists, require it
+        if (file_exists($file)) {
+            require $file;
+        }
+    }
+);