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   1  <?php
   2  
   3  /* An autoloader for ReCaptcha\Foo classes. This should be require()d
   4   * by the user before attempting to instantiate any of the ReCaptcha
   5   * classes.
   6   */
   7  
   8  spl_autoload_register(function ($class) {
   9      if (substr($class, 0, 10) !== 'ReCaptcha\\') {
  10        /* If the class does not lie under the "ReCaptcha" namespace,
  11         * then we can exit immediately.
  12         */
  13        return;
  14      }
  15  
  16      /* All of the classes have names like "ReCaptcha\Foo", so we need
  17       * to replace the backslashes with frontslashes if we want the
  18       * name to map directly to a location in the filesystem.
  19       */
  20      $class = str_replace('\\', '/', $class);
  21  
  22      /* First, check under the current directory. It is important that
  23       * we look here first, so that we don't waste time searching for
  24       * test classes in the common case.
  25       */
  26      $path = dirname(__FILE__).'/'.$class.'.php';
  27      if (is_readable($path)) {
  28          require_once $path;
  29      }
  30  
  31      /* If we didn't find what we're looking for already, maybe it's
  32       * a test class?
  33       */
  34      $path = dirname(__FILE__).'/../tests/'.$class.'.php';
  35      if (is_readable($path)) {
  36          require_once $path;
  37      }
  38  });