pg_fetch_all_columns

(PHP 5 >= 5.1.0, PHP 7)

pg_fetch_all_columnsFetches all rows in a particular result column as an array

Descrição

pg_fetch_all_columns ( resource $result [, int $column = 0 ] ) : array

pg_fetch_all_columns() returns an array that contains all rows (records) in a particular column of the result resource.

Nota: Esta função assimila campos NULL para o o NULL do PHP.

Parâmetros

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.

Valor Retornado

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.

Exemplos

Exemplo #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
$arr pg_fetch_all_columns($result1);

var_dump($arr);

?>

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