# Schema::dropCollection

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Schema::dropCollection — Drop collection from schema

### 说明

public mysql_xdevapi\Schema::dropCollection(string `$collection_name`): bool

警告

本函数还未编写文档，仅有参数列表。

### 参数

`collection_name`

### 返回值

### 示例

示例 #1 mysql_xdevapi\Schema::dropCollection() example

`<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS food")->execute();
$session->sql("CREATE DATABASE food")->execute();
$session->sql("CREATE TABLE food.fruit(name text, rating text)")->execute();
$schema = $session->getSchema("food");
$schema->createCollection("trees");
$schema->dropCollection("trees");
$schema->createCollection("buildings");
print_r($schema->gettables());
print_r($schema->getcollections());`

以上示例的输出类似于：

    Array
    (
        [fruit] => mysql_xdevapi\Table Object
            (
                [name] => fruit
            )
    )
    Array
    (
        [buildings] => mysql_xdevapi\Collection Object
            (
                [name] => buildings
            )
    )

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