pg_num_fields
Returns the number of fields in a result
Description
int pg_num_fields(PgSql\Result $result
)
Note:
This function used to be called pg_numfields.
Parameters
-
result
-
An PgSql\Result instance, returned by pg_query,
pg_query_params or pg_execute(among others).
Return Values
The number of fields (columns) in the result. On error, -1 is returned.
Examples
Example #1 pg_num_fields example
<?php
$result = pg_query($conn, "SELECT 1, 2");
$num = pg_num_fields($result);
echo $num . " field(s) returned.\n";
?>
The above example will output:
See Also
- pg_num_rows
- pg_affected_rows