mysqlnd_qc_clear_cache

(PECL mysqlnd_qc >= 1.0.0)

mysqlnd_qc_clear_cacheFlush all cache contents

说明

bool mysqlnd_qc_clear_cache ( void )

Flush all cache contents.

Flushing the cache is a storage handler responsibility. All built-in storage handler but the memcache storage handler support flushing the cache. The memcache storage handler cannot flush its cache contents.

User-defined storage handler may or may not support the operation.

参数

此函数没有参数。

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE

A return value of FALSE indicates that flushing all cache contents has failed or the operation is not supported by the active storage handler. Applications must not expect that calling the function will always flush the cache.

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