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pg_fetch_all_columns
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pg_fetch_all_columns

(PHP 5 >= 5.1.0RC1)

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

Popis

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.

Poznámka: Tato funkce nastavuje pole s hodnotou NULL na hodnotu PHP NULL.

Seznam parametrů

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.

Návratové hodnoty

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.

Příklady

Příklad 1. pg_fetch_all_columns() example

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

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

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

var_dump($arr);

?>

Viz také

pg_fetch_all()

PředcházejícíDomůDalší
pg_executeNahoru