CollectionModify constructor

# CollectionModify::__construct

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CollectionModify::__construct — CollectionModify constructor

### Description

private mysql_xdevapi\CollectionModify::__construct()

Modifies (updates) a collection and is instantiated by the mysql_xdevapi\Collection::modify() method.

### Parameters

This function has no parameters.

### Examples

Example #1 mysql_xdevapi\CollectionModify::__construct() 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": "Bernie",
"traits": ["Friend", "Brother", "Human"]}')
->execute();
$collection
->modify("name in ('Bernie', 'Jane')")
->arrayAppend('traits', 'Happy')
->execute();
$result = $collection
->find()
->execute();
print_r($result->fetchAll());
?>`

The above example will output something similar to:

    Array
    (
        [0] => Array
            (
                [_id] => 00005b6b5361000000000000010c
                [name] => Bernie
                [traits] => Array
                    (
                        [0] => Friend
                        [1] => Brother
                        [2] => Human
                        [3] => Happy
                    )
            )
    )

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