original_string: public function bitAnd( $value1, $value2 )
      {
          $value1 = $this->getIdentifier( $value1 );
          $value2 = $this->getIdentifier( $value2 );
          return "( {$value1} & {$value2} )";
      }
code: public function bitAnd( $value1, $value2 )
      {
          $value1 = $this->getIdentifier( $value1 );
          $value2 = $this->getIdentifier( $value2 );
          return "( {$value1} & {$value2} )";
      }
code_tokens: public function bitAnd ( $ value1 , $ value2 ) { $ value1 = $ this -> getIdentifier ( $ value1 ) ; $ value2 = $ this -> getIdentifier ( $ value2 ) ; return "( {$value1} & {$value2} )" ; }
docstring: Returns the SQL that performs the bitwise AND on two values.
  
  @param string $value1
  @param string $value2
  @return string
docstring_tokens: Returns the SQL that performs the bitwise AND on two values .