CollectionModify::bind

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CollectionModify::bind — Bind value to query placeholder

说明

public mysql_xdevapi\CollectionModify::bind(array $placeholder_values): mysql_xdevapi\CollectionModify

Bind a parameter to the placeholder in the search condition of the modify operation.

The placeholder has the form of :NAME where ':' is a common prefix that must always exists before any NAME where NAME is the name of the placeholder. The bind method accepts a list of placeholders if multiple entities have to be substituted in the search condition of the modify operation.

参数

placeholder_values: Placeholder values to substitute in the search condition. Multiple values are allowed and have to be passed as an array of mappings PLACEHOLDER_NAME->PLACEHOLDER_VALUE.

返回值

A CollectionModify object that can be used to execute the command, or to add additional operations.

范例

示例 #1 mysql_xdevapi\CollectionModify::bind() 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'])
  ->arrayAppend('traits', 'Happy')
  ->execute();

$result = $collection
  ->find()
  ->execute();

print_r($result->fetchAll());
?>

以上例程的输出类似于：

Array
(
    [0] => Array
        (
            [_id] => 00005b6b53610000000000000110
            [name] => Bernie
            [traits] => Array
                (
                    [0] => Friend
                    [1] => Brother
                    [2] => Human
                    [3] => Happy
                )
        )
)

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官方地址：https://www.php.net/manual/en/mysql-xdevapi-collectionmodify.bind.php

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CollectionModify::bind

说明

参数

返回值

范例

User Contributed Notes