pg_num_fields(3) [php man page]

PG_NUM_FIELDS(3)														  PG_NUM_FIELDS(3)

pg_num_fields - Returns the number of fields in a result

SYNOPSIS

       int pg_num_fields (resource  $result)

DESCRIPTION

       pg_num_fields(3) returns the number of fields (columns) in a PostgreSQL result resource.

       Note

	       This function used to be called pg_numfields(3).

PARAMETERS

	      o $result
		- PostgreSQL query result resource, returned by pg_query(3), pg_query_params(3) or pg_execute(3) (among others).

RETURN VALUES

	The number of fields (columns) in the result. On error, -1 is returned.

EXAMPLES

       Example #1

	      pg_num_fields(3) example

	      <?php
	      $result = pg_query($conn, "SELECT 1, 2");

	      $num = pg_num_fields($result);

	      echo $num . " field(s) returned.
";
	      ?>

	      The above example will output:

	      2 field(s) returned.

SEE ALSO

       pg_num_rows(3), pg_affected_rows(3).

PHP Documentation Group 													  PG_NUM_FIELDS(3)

PG_AFFECTED_ROWS(3)													       PG_AFFECTED_ROWS(3)

pg_affected_rows - Returns number of affected records (tuples)

SYNOPSIS

       int pg_affected_rows (resource  $result)

DESCRIPTION

       pg_affected_rows(3) returns the number of tuples (instances/records/rows) affected by INSERT, UPDATE, and DELETE queries.

	Since PostgreSQL 9.0 and above, the server returns the number of SELECTed rows. Older PostgreSQL return 0 for SELECT.

       Note

	       This function used to be called pg_cmdtuples(3).

PARAMETERS

	      o $result
		- PostgreSQL query result resource, returned by pg_query(3), pg_query_params(3) or pg_execute(3) (among others).

RETURN VALUES

	The number of rows affected by the query. If no tuple is affected, it will return 0.

EXAMPLES

       Example #1

	      pg_affected_rows(3) example

	      <?php
	      $result = pg_query($conn, "INSERT INTO authors VALUES ('Orwell', 2002, 'Animal Farm')");

	      $cmdtuples = pg_affected_rows($result);

	      echo $cmdtuples . " tuples are affected.
";
	      ?>

	      The above example will output:

	      1 tuples are affected.

SEE ALSO

       pg_query(3), pg_query_params(3), pg_execute(3), pg_num_rows(3).

PHP Documentation Group 												       PG_AFFECTED_ROWS(3)