©
Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(PECL CUBRID >= 8.3.0)
cubrid_num_fields — Return the number of columns in the result set
$result
)This function returns the number of columns in the result set, on success, or it returns FALSE on failure.
result
result
comes from a call to
cubrid_execute() , cubrid_query()
and cubrid_prepare()
Number of columns, on success.
-1 if SQL sentence is not SELECT.
FALSE
when process is unsuccessful.
Example #1 cubrid_num_fields() example
<?php
$conn = cubrid_connect ( "localhost" , 33000 , "demodb" );
$req = cubrid_execute ( $conn , "SELECT * FROM code" );
$row_num = cubrid_num_rows ( $req );
$col_num = cubrid_num_fields ( $req );
printf ( "Row Num: %d\nColumn Num: %d\n" , $row_num , $col_num );
cubrid_disconnect ( $conn );
?>
以上例程会输出:
Row Num: 6 Column Num: 2