mysqlnd_qc_clear_cache
(PECL mysqlnd_qc >= 1.0.0)
mysqlnd_qc_clear_cache — Flush all cache contents
Description
mysqlnd_qc_clear_cache
(
) : bool
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.
Parameters
This function has no parameters.
Return Values
Returns true on success or false on failure.
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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