mysqlnd_qc_clear_cache
mysqlnd_qc_get_cache_info
mysqlnd_qc 関数
PHP Manual

# mysqlnd_qc_get_available_handlers

(PECL mysqlnd_qc >= 1.0.0)

mysqlnd_qc_get_available_handlers — Returns a list of available storage handler

### 説明

array mysqlnd_qc_get_available_handlers ( void )

Which storage are available depends on the compile time configuration of the query cache plugin. The default storage handler is always available. All other storage handler must be enabled explicitly when building the extension.

### パラメータ

この関数にはパラメータはありません。

### 返り値

Returns an array of available built-in storage handler. For each storage handler the version number and version string is given.

### 例

例1 mysqlnd_qc_get_available_handlers() example

`<?php
var_dump(mysqlnd_qc_get_available_handlers());
?>`

上の例の出力は以下となります。

    array(5) {
      ["default"]=>
      array(2) {
        ["version"]=>
        string(5) "1.0.0"
        ["version_number"]=>
        int(100000)
      }
      ["user"]=>
      array(2) {
        ["version"]=>
        string(5) "1.0.0"
        ["version_number"]=>
        int(100000)
      }
      ["APC"]=>
      array(2) {
        ["version"]=>
        string(5) "1.0.0"
        ["version_number"]=>
        int(100000)
      }
      ["MEMCACHE"]=>
      array(2) {
        ["version"]=>
        string(5) "1.0.0"
        ["version_number"]=>
        int(100000)
      }
      ["sqlite"]=>
      array(2) {
        ["version"]=>
        string(5) "1.0.0"
        ["version_number"]=>
        int(100000)
      }
    }

### 参考

- Installation
- mysqlnd_qc_set_storage_handler() - Change current storage handler

mysqlnd_qc_clear_cache
mysqlnd_qc_get_cache_info
mysqlnd_qc 関数
PHP Manual