new file mode 100644

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+<?php

+

+require_once dirname(dirname(__FILE__)) . '/autoload.php';

+

+if (PHP_VERSION_ID < 50300) {

+    return;

+}

+

+/*

+ * This file is just for convenience, to allow developers to reduce verbosity when

+ * they add this project to their libraries.

+ *

+ * Replace this:

+ *

+ * $x = ParagonIE_Sodium_Compat::crypto_aead_xchacha20poly1305_encrypt(...$args);

+ *

+ * with this:

+ *

+ * use ParagonIE\Sodium\Compat;

+ *

+ * $x = Compat::crypto_aead_xchacha20poly1305_encrypt(...$args);

+ */

+spl_autoload_register(function ($class) {

+    if ($class[0] === '\\') {

+        $class = substr($class, 1);

+    }

+    $namespace = 'ParagonIE\\Sodium';

+    // Does the class use the namespace prefix?

+    $len = strlen($namespace);

+    if (strncmp($namespace, $class, $len) !== 0) {

+        // no, move to the next registered autoloader

+        return false;

+    }

+

+    // 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 = dirname(dirname(__FILE__)) . '/namespaced/' . str_replace('\\', '/', $relative_class) . '.php';

+    // if the file exists, require it

+    if (file_exists($file)) {

+        require_once $file;

+        return true;

+    }

+    return false;

+});