Pdo\Pgsql::copyToArray

(PHP 8 >= 8.4.0)

Pdo\Pgsql::copyToArray — Copy data from database table into PHP array

Descrizione

public function Pdo\Pgsql::copyToArray(
    string $tableName,
    string $separator = "\t",
    string $nullAs = "\\\\N",
    ?string $fields = null
): array|false

Copies data from tableName into array using separator as fields delimiter and fields list

Elenco dei parametri

tableName: String containing table name.
separator: Delimiter used to separate fields in an entry of the rows array.
nullAs: How to interpret SQL NULL values.
fields: List of fields to export.

Valori restituiti

Returns an array of rows, o false in caso di fallimento.

Esempi

Example #1 Pdo\Pgsql::copyToArray() example

Each returned element is one record, with fields joined by separator and a trailing newline.

<?php
$db = new Pdo\Pgsql('pgsql:dbname=test host=localhost', $user, $pass);
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$db->exec('CREATE TABLE fruits (id int, name text, qty int)');
$db->exec("INSERT INTO fruits VALUES (1, 'apple', 10), (2, 'banana', 20)");

$rows = $db->copyToArray('fruits');
var_export($rows);
?>

Il precedente esempio visualizzerà:

array (
  0 => '1	apple	10
',
  1 => '2	banana	20
',
)

Vedere anche:

Pdo\Pgsql::copyFromArray() - Copy data from a PHP array into a table
Pdo\Pgsql::copyFromFile() - Copy data from file into table
Pdo\Pgsql::copyToFile() - Copy data from table into file

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