original_string: public function encode($data)
      {
  
          // Convert the data to a binary string.
          $bits = '';
          foreach (str_split($data) as $char) {
              $bits .= sprintf('%08b', ord($char));
          }
  
          // Make sure the string length is a multiple of 5, padding if needed.
          $len = strlen($bits);
          $mod = $len % 5;
          if ($mod !== 0) {
              $bits = str_pad($bits, $len + 5 - $mod, '0', STR_PAD_RIGHT);
          }
  
          // Split the binary string into 5-bit chunks and encode each chunk.
          $output = '';
          foreach (str_split($bits, 5) as $chunk) {
              $output .= substr($this->getConfig('alphabet'), bindec($chunk), 1);
          }
  
          return $output;
  
      }
code: public function encode($data)
      {
  
          // Convert the data to a binary string.
          $bits = '';
          foreach (str_split($data) as $char) {
              $bits .= sprintf('%08b', ord($char));
          }
  
          // Make sure the string length is a multiple of 5, padding if needed.
          $len = strlen($bits);
          $mod = $len % 5;
          if ($mod !== 0) {
              $bits = str_pad($bits, $len + 5 - $mod, '0', STR_PAD_RIGHT);
          }
  
          // Split the binary string into 5-bit chunks and encode each chunk.
          $output = '';
          foreach (str_split($bits, 5) as $chunk) {
              $output .= substr($this->getConfig('alphabet'), bindec($chunk), 1);
          }
  
          return $output;
  
      }
code_tokens: public function encode ( $ data ) { // Convert the data to a binary string. $ bits = '' ; foreach ( str_split ( $ data ) as $ char ) { $ bits .= sprintf ( '%08b' , ord ( $ char ) ) ; } // Make sure the string length is a multiple of 5, padding if needed. $ len = strlen ( $ bits ) ; $ mod = $ len % 5 ; if ( $ mod !== 0 ) { $ bits = str_pad ( $ bits , $ len + 5 - $ mod , '0' , STR_PAD_RIGHT ) ; } // Split the binary string into 5-bit chunks and encode each chunk. $ output = '' ; foreach ( str_split ( $ bits , 5 ) as $ chunk ) { $ output .= substr ( $ this -> getConfig ( 'alphabet' ) , bindec ( $ chunk ) , 1 ) ; } return $ output ; }
docstring: Base32 encode a string.
  
  @param string $data The string to encode.
  
  @return string The base32 encoded string.
docstring_tokens: Base32 encode a string .