pg_fetch_all_columns
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
pg_fetch_all_columns — Fetches all rows in a particular result column as an array
Description
pg_fetch_all_columns() returns an array that contains all rows (records) in a particular column of the PgSql\Result instance.
Note: This function sets NULL fields to the PHP
nullvalue.
Parameters
-
result -
An PgSql\Result instance, returned by pg_query(), pg_query_params() or pg_execute()(among others).
-
field -
Column number. Defaults to the first column if not specified.
Return Values
An array with all values in the result column.
Changelog
| Version | Description |
|---|---|
| 8.1.0 |
The result parameter expects an PgSql\Result
instance now; previously, a resource was expected.
|
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);
?>
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