PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8
pg_num_fields - Returns the number of fields in a result
pg_num_fields( PgSql\Result$result ): int
pg_num_fields returns the number of fields (columns) in the PgSql\Result instance.
This function used to be called pg_numfields.
An PgSql\Result instance, returned by pg_query, pg_query_params or pg_execute(among others).
The number of fields (columns) in the result. On error, -1 is returned.
|8.1.0||The result parameter expects an PgSql\Result instance now; previously, a resource was expected.|
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