php man page for pg_fetch_all_columns

PG_FETCH_ALL_COLUMNS(3) 												   PG_FETCH_ALL_COLUMNS(3)

pg_fetch_all_columns - Fetches all rows in a particular result column as an array

SYNOPSIS
       array pg_fetch_all_columns (resource  $result, [int  $column])

DESCRIPTION
       pg_fetch_all_columns(3) returns an array that contains all rows (records) in a particular column of the result resource.

       Note

	      This function sets NULL fields to the PHP NULL value.

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

	      o $column
		- Column number, zero-based, to be retrieved from the result resource. Defaults to the first column if not specified.

RETURN VALUES
	An array with all values in the result column.

       FALSE is returned if $column is larger than the number of columns in the result, or on any other error.

EXAMPLES
       Example #1

	      pg_fetch_all_columns(3) example

	      <?php
	      $conn = pg_pconnect("dbname=publisher");
	      if (!$conn) {
		echo "An error occurred.
";
		exit;
	      }

	      $result = pg_query($conn, "SELECT title, name, address FROM authors");
	      if (!$result) {
		echo "An error occurred.
";
		exit;
	      }

	      // Get an array of all author names
	      $arr = pg_fetch_all_columns($result, 1);

	      var_dump($arr);

	      ?>

SEE ALSO
       pg_fetch_all(3).

PHP Documentation Group 												   PG_FETCH_ALL_COLUMNS(3)