Collection constructor

# Collection::__construct

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Collection::__construct — Collection constructor

### 説明

private mysql_xdevapi\Collection::__construct ( void )

Construct a Collection object.

### パラメータ

この関数にはパラメータはありません。

### 例

例1 mysql_xdevapi\Collection::getOne() example

`<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS addressbook")->execute();
$session->sql("CREATE DATABASE addressbook")->execute();
$schema = $session->getSchema("addressbook");
$collection = $schema->createCollection("people");
$result = $collection->add('{"name": "Alfred", "age": 42, "job": "Butler"}')->execute();
// A unique _id is (by default, and recommended) generated by MySQL Server
// This retrieves the generated _id's; only one in this example, so $ids[0]
$ids = $result->getGeneratedIds();
$alfreds_id = $ids[0];
// ...
print_r($alfreds_id);
print_r($collection->getOne($alfreds_id));
?>`

上の例の出力は、 たとえば以下のようになります。

    00005b6b536100000000000000b1

    Array
    (
        [_id] => 00005b6b536100000000000000b1
        [age] => 42
        [job] => Butler
        [name] => Alfred
    )