PostgreSQL Functions

pg_fetch_all_columns

Fetches all rows in a particular result column as an array

Description

array pg_fetch_all_columns ( resource $result [, int $column = 0 ] )

pg_fetch_all_columns 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

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


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

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

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

var_dump($arr);

?>

See Also

pg_fetch_all