php man page for pg_num_fields

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)