(PHP 5 >= 5.1.0, PHP 7)
pg_fetch_all_columns — Fetches all rows in a particular result column as an array
$result
[, int $column
= 0
] )pg_fetch_all_columns() returns an array that contains all rows (records) in a particular column of the result resource.
Note: 이 함수는 NULL 필드를 PHP
NULL
값으로 설정합니다.
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.
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.
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);
?>