pg_fetch_all_columns
(PHP 5 >= 5.1.0)
pg_fetch_all_columns — Fetches all rows in a particular result column as an array
Описание
pg_fetch_all_columns() returns an array that contains all rows (records) in a particular column of the result resource.
Замечание: Эта функция устанавливает NULL-поля в значение NULL PHP.
Список параметров
- 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.
Возвращаемые значения
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.
Примеры
Пример #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);
?>
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