PostgreSQL Funzioni
PHP Manual

pg_fetch_all_columns

(PHP 5 >= 5.1.0)

pg_fetch_all_columnsFetches all rows in a particular result column as an array

Descrizione

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.

Nota: Questa funzione imposta i campio NULL al valore PHP NULL.

Elenco dei parametri

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.

Valori restituiti

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.

Esempi

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
$arr pg_fetch_all_columns($result1);

var_dump($arr);

?>

Vedere anche:


PostgreSQL Funzioni
PHP Manual