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65 lines
2.2 KiB
HTML
65 lines
2.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Flush all cache contents</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.mysqlnd-qc-clear-cache" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">mysqlnd_qc_clear_cache</h1>
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<p class="verinfo">(PECL mysqlnd_qc >= 1.0.0)</p><p class="refpurpose"><span class="refname">mysqlnd_qc_clear_cache</span> — <span class="dc-title">Flush all cache contents</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.mysqlnd-qc-clear-cache-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>mysqlnd_qc_clear_cache</strong></span>
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( <span class="methodparam">void</span>
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) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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Flush all cache contents.
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</p>
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<p class="para">
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Flushing the cache is a storage handler responsibility.
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All built-in storage handler but the
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<em>memcache</em> storage
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handler support flushing the cache. The
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<em>memcache</em>
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storage handler cannot flush its cache contents.
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</p>
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<p class="para">
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User-defined storage handler may or may not support the operation.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.mysqlnd-qc-clear-cache-parameters">
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<h3 class="title">参数</h3>
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<p class="para">此函数没有参数。</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.mysqlnd-qc-clear-cache-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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<p class="para">
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A return value of
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<strong><code>FALSE</code></strong>
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indicates that flushing all cache contents has
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failed or the operation is not supported by
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the active storage handler. Applications must
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not expect that calling the function will always
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flush the cache.
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</p>
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</div>
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</div></div></div></body></html> |