All the sources codes "But why ?"page 21

            row_dict = {
                'data1'     : row['r_data1'],
                'data2'     : row['c_data1'],
                'data3'     : row['c_data2'],
                'data4'     : row['cfs_data1'],
                'data5'     : row['cfs_data2'],
                'data6'     : row['cfs_data3'],
                'data7'     : row['p_data1'],
                'data8'     : row['p_data2'],
                'data9'     : row['s_data1'],
                'data10'    : row['s_data2'],
            }

$string = preg_replace('/.*([0-9\s<>\\b]*(\–.|\-.)[\s<>b0-9]*)|(class=\'b\'>[0-9]*<\/span>)*/', '', $string); 
$string = preg_replace('/[^0-9]/', '', $string);

ini_set("memory_limit",1024*1024*64); //512MB