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mysqlnd_qc_set_storage_handler(PECL mysqlnd_qc >= 1.0.0) mysqlnd_qc_set_storage_handler — Change current storage handler 説明
bool
mysqlnd_qc_set_storage_handler
(
string
$handler
)Sets the storage handler used by the query cache. A list of available storage handler can be obtained from mysqlnd_qc_get_available_handlers(). 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
返り値
成功した場合に If changing the storage handler fails a catchable fatal error will be thrown. The query cache cannot operate if the previous storage handler has been shutdown but no new storage handler has been installed. 例例1 mysqlnd_qc_set_storage_handler() example The example shows the output from the built-in default storage handler. Other storage handler may report different data.
<?php 上の例の出力は以下となります。 bool(true) Default storage handler activated Catchable fatal error: mysqlnd_qc_set_storage_handler(): Unknown handler 'unknown' in (file) on line (line) |
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