cubrid_num_fields
(PECL CUBRID >= 8.3.0)
cubrid_num_fields — Returns the number of columns in the result set
Description
int cubrid_num_fields
( resource $req_identifier
)
This function returns the number of columns in the result set, on success, or it returns FALSE on failure.
Parameters
- req_identifier
-
This is the request identifier.
Return Values
Number of columns, on success.
-1 if SQL sentence is not SELECT.
Examples
Example #1 cubrid_num_fields() example
<?php
$link = cubrid_connect("localhost", 30000, "demodb2", "dba", "");
if (!$link)
{
die('Could not connect.');
}
$query = 'SELECT id, name, address, salary FROM employees';
$result = cubrid_execute($link, $query);
if ($result)
{
$n = cubrid_num_fields($result);
echo "The resultset contains ".$n. " fields: ";
for ($i = 0; $i < $n; $i++)
echo cubrid_field_name($result, $i)." ";
cubrid_close_request($result);
}
?>
The above example will output:
Result: The resultset contains 4 fields: id name address salary