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Fetches all rows in a particular result column as an array (PHP 5 >= 5.1.0)
array pg_fetch_all_columns ( resource result [, int column] )

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


This function sets NULL fields to PHP NULL value.



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


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.


Example 1919. pg_fetch_all_columns() example

= pg_pconnect("dbname=publisher");
if (!
$conn) {
"An error occured.\n";

$result = pg_query($conn, "SELECT title, name, address FROM authors");
if (!
$result) {
"An error occured.\n";

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