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CollectionModify::replace — Replace document field
$collection_field, string $expression_or_literal): mysql_xdevapi\CollectionModifyReplace (update) a given field value with a new one.
collection_fieldThe document path of the item to set.
expression_or_literalThe value to set on the specified attribute.
A CollectionModify object.
示例 #1 mysql_xdevapi\CollectionModify::replace() 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 = :name")
->bind(['name' => 'Bernie'])
->replace("name", "Bern")
->execute();
$result = $collection
->find()
->execute();
print_r($result->fetchAll());
?>以上示例的输出类似于：
Array
(
[0] => Array
(
[_id] => 00005b6b5361000000000000011b
[name] => Bern
[traits] => Array
(
[0] => Friend
[1] => Brother
[2] => Human
)
)
)