original_string: public function zeroFill($a, $b)
      {
          return ($a >= 0) ? ($a >> $b) : ($a >> $b) & (PHP_INT_MAX >> ($b - 1));
      }
code: public function zeroFill($a, $b)
      {
          return ($a >= 0) ? ($a >> $b) : ($a >> $b) & (PHP_INT_MAX >> ($b - 1));
      }
code_tokens: public function zeroFill ( $ a , $ b ) { return ( $ a >= 0 ) ? ( $ a >> $ b ) : ( $ a >> $ b ) & ( PHP_INT_MAX >> ( $ b - 1 ) ) ; }
docstring: Right shift with zero fill.
  
  @param integer $a number to shift
  @param integer $b number of bits to shift
  
  @return integer
docstring_tokens: Right shift with zero fill .