pg_executepg_fetch_all_columns
(PHP 5 >= 5.1.0)
pg_fetch_all_columns — Fetches all rows in a particular result column as an array
Opis
pg_fetch_all_columns() returns an array that contains all rows (records) in a particular column of the result resource.
Informacja: Ta funkcja ustala wartość pól NULL na NULL.
Parametry
- 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.
Zwracane wartości
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.
Przykłady
Example #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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