php mysql/mysqli结果

Posted 2021-02-27

function sqlResult( $query, $row=0, $field=0 )
{
  if( in_array( 'mysql', $GLOBALS[ 'loaded_extensions' ] ) )
  {
    return @mysql_result( $query, $row, $field );
  }
  elseif( in_array( 'mysqli', $GLOBALS[ 'loaded_extensions' ] ) )
  {
    if( mysqli_num_rows( $query ) )
    {
      $x = 0;
 
      while( $array = mysqli_fetch_array( $query, MYSQLI_NUM ) )
      {
        if( $row == $x++ )
        {
          return isset( $array[ $field ] )
            ? $array[ $field ]
            : '';
        }
      }
    }
  }
}