PHP 8 initial support

Author: sergejey

lib/smarty/Autoloader.php 3rdparty/smarty3/Autoloader.phplib/smarty/Autoloader.php renamed to 3rdparty/smarty3/Autoloader.php

@@ -2,20 +2,21 @@
 /**
  * Smarty Autoloader
  *
- * @package    Smarty
+ * @package Smarty
  */
 
 /**
  * Smarty Autoloader
  *
- * @package    Smarty
- * @author     Uwe Tews
+ * @package Smarty
+ * @author  Uwe Tews
  *             Usage:
- *             require_once '...path/Autoloader.php';
- *             Smarty_Autoloader::register();
- *             $smarty = new Smarty();
- *             Note:       This autoloader is not needed if you use Composer.
- *             Composer will automatically add the classes of the Smarty package to it common autoloader.
+ *                  require_once '...path/Autoloader.php';
+ *                  Smarty_Autoloader::register();
+ *             or
+ *                  include '...path/bootstrap.php';
+ *
+ *                  $smarty = new Smarty();
  */
 class Smarty_Autoloader
 {
@@ -24,14 +25,14 @@ class Smarty_Autoloader
      *
      * @var string
      */
-    public static $SMARTY_DIR = '';
+    public static $SMARTY_DIR = null;
 
     /**
      * Filepath to Smarty internal plugins
      *
      * @var string
      */
-    public static $SMARTY_SYSPLUGINS_DIR = '';
+    public static $SMARTY_SYSPLUGINS_DIR = null;
 
     /**
      * Array with Smarty core classes and their filename
@@ -53,11 +54,11 @@ public static function registerBC($prepend = false)
         if (!defined('SMARTY_SPL_AUTOLOAD')) {
             define('SMARTY_SPL_AUTOLOAD', 0);
         }
-        if (SMARTY_SPL_AUTOLOAD &&
-            set_include_path(get_include_path() . PATH_SEPARATOR . SMARTY_SYSPLUGINS_DIR) !== false
+        if (SMARTY_SPL_AUTOLOAD
+            && set_include_path(get_include_path() . PATH_SEPARATOR . SMARTY_SYSPLUGINS_DIR) !== false
         ) {
             $registeredAutoLoadFunctions = spl_autoload_functions();
-            if (!isset($registeredAutoLoadFunctions['spl_autoload'])) {
+            if (!isset($registeredAutoLoadFunctions[ 'spl_autoload' ])) {
                 spl_autoload_register();
             }
         } else {
@@ -75,7 +76,7 @@ public static function register($prepend = false)
         self::$SMARTY_DIR = defined('SMARTY_DIR') ? SMARTY_DIR : dirname(__FILE__) . DIRECTORY_SEPARATOR;
         self::$SMARTY_SYSPLUGINS_DIR = defined('SMARTY_SYSPLUGINS_DIR') ? SMARTY_SYSPLUGINS_DIR :
             self::$SMARTY_DIR . 'sysplugins' . DIRECTORY_SEPARATOR;
-        if (version_compare(phpversion(), '5.3.0', '>=')) {
+        if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
             spl_autoload_register(array(__CLASS__, 'autoload'), true, $prepend);
         } else {
             spl_autoload_register(array(__CLASS__, 'autoload'));
@@ -89,35 +90,20 @@ public static function register($prepend = false)
      */
     public static function autoload($class)
     {
-        $_class = strtolower($class);
-        $file = self::$SMARTY_SYSPLUGINS_DIR . $_class . '.php';
-        if (strpos($_class, 'smarty_internal_') === 0) {
-            if (strpos($_class, 'smarty_internal_compile_') === 0) {
-                if (is_file($file)) {
-                    require $file;
-                }
-                return;
-            }
-            @include $file;
+        if ($class[ 0 ] !== 'S' || strpos($class, 'Smarty') !== 0) {
             return;
         }
-        if (preg_match('/^(smarty_(((template_(source|config|cache|compiled|resource_base))|((cached|compiled)?resource)|(variable|security)))|(smarty(bc)?)$)/',
-                       $_class, $match)) {
-            if (!empty($match[3])) {
-                @include $file;
-                return;
-            } elseif (!empty($match[9]) && isset(self::$rootClasses[$_class])) {
-                $file = self::$rootClasses[$_class];
-                require $file;
-                return;
+        $_class = strtolower($class);
+        if (isset(self::$rootClasses[ $_class ])) {
+            $file = self::$SMARTY_DIR . self::$rootClasses[ $_class ];
+            if (is_file($file)) {
+                include $file;
+            }
+        } else {
+            $file = self::$SMARTY_SYSPLUGINS_DIR . $_class . '.php';
+            if (is_file($file)) {
+                include $file;
             }
-        }
-        if (0 !== strpos($_class, 'smarty')) {
-            return;
-        }
-        if (is_file($file)) {
-            require $file;
-            return;
         }
         return;
     }