original_string: public static function generateToken()
      {
          // Generate the token based on the current time, plus a random string.
          $token = time() . '.';
  
          // Start with an empty string.
          $length       = 32;
          $characterset = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890';
  
          // For the desired length, keep adding random characters from the character set.
          for ($i = 0; $i < $length; $i++) {
              $token .= $characterset[mt_rand(0, strlen($characterset) - 1)];
          }
  
          $sessions = [];
  
          if (isset($_SESSION['csrftokens'])) {
              $sessions = array_slice($_SESSION['csrftokens'], -50, 50);
          }
  
          // Add the token to the "token-basket", a place in which we store all the currently valid CSRF tokens.
          $sessions[] = $token;
  
          $_SESSION['csrftokens'] = $sessions;
  
          return $token;
      }
code: public static function generateToken()
      {
          // Generate the token based on the current time, plus a random string.
          $token = time() . '.';
  
          // Start with an empty string.
          $length       = 32;
          $characterset = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890';
  
          // For the desired length, keep adding random characters from the character set.
          for ($i = 0; $i < $length; $i++) {
              $token .= $characterset[mt_rand(0, strlen($characterset) - 1)];
          }
  
          $sessions = [];
  
          if (isset($_SESSION['csrftokens'])) {
              $sessions = array_slice($_SESSION['csrftokens'], -50, 50);
          }
  
          // Add the token to the "token-basket", a place in which we store all the currently valid CSRF tokens.
          $sessions[] = $token;
  
          $_SESSION['csrftokens'] = $sessions;
  
          return $token;
      }
code_tokens: public static function generateToken ( ) { // Generate the token based on the current time, plus a random string. $ token = time ( ) . '.' ; // Start with an empty string. $ length = 32 ; $ characterset = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890' ; // For the desired length, keep adding random characters from the character set. for ( $ i = 0 ; $ i < $ length ; $ i ++ ) { $ token .= $ characterset [ mt_rand ( 0 , strlen ( $ characterset ) - 1 ) ] ; } $ sessions = [ ] ; if ( isset ( $ _SESSION [ 'csrftokens' ] ) ) { $ sessions = array_slice ( $ _SESSION [ 'csrftokens' ] , - 50 , 50 ) ; } // Add the token to the "token-basket", a place in which we store all the currently valid CSRF tokens. $ sessions [ ] = $ token ; $ _SESSION [ 'csrftokens' ] = $ sessions ; return $ token ; }
docstring: Generate a session token and store it in the "token-basket".
  We return the generated token here, which can be used to set the hidden form field.
  
  @return string
docstring_tokens: Generate a session token and store it in the token - basket . We return the generated token here which can be used to set the hidden form field .