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165 lines
5.5 KiB
HTML
165 lines
5.5 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>Retrieves cached information from APCu's data store</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.apcu-cache-info" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">apcu_cache_info</h1>
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<p class="verinfo">(PECL apcu >= 4.0.0)</p><p class="refpurpose"><span class="refname">apcu_cache_info</span> — <span class="dc-title">
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Retrieves cached information from APCu's data store
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.apcu-cache-info-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>apcu_cache_info</strong></span>
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([ <span class="methodparam"><span class="type">bool</span> <code class="parameter">$limited</code><span class="initializer"> = <strong><code>FALSE</code></strong></span></span>
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] ) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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Retrieves cached information and meta-data from APC's data store.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.apcu-cache-info-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">limited</code></dt>
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<dd>
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<p class="para">
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If <code class="parameter">limited</code> is <strong><code>TRUE</code></strong>, the
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return value will exclude the individual list of cache entries. This
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is useful when trying to optimize calls for statistics gathering.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.apcu-cache-info-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Array of cached data (and meta-data) 或者在失败时返回 <strong><code>FALSE</code></strong>
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<span class="simpara">
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<span class="function"><strong>apcu_cache_info()</strong></span> will raise a warning if it is unable to
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retrieve APC cache data. This typically occurs when APC is not enabled.
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</span>
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</p></blockquote>
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</div>
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<div class="refsect1 changelog" id="refsect1-function.apcu-cache-info-changelog">
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<h3 class="title">更新日志</h3>
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<p class="para">
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<table class="doctable informaltable">
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<thead>
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<tr>
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<th>版本</th>
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<th>说明</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>3.0.11</td>
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<td>
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The <code class="parameter">limited</code> parameter was introduced.
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</td>
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</tr>
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<tr>
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<td>3.0.16</td>
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<td>
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The "<em>filehits</em>" option for the
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<code class="parameter">cache_type</code> parameter was introduced.
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</td>
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</tr>
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</tbody>
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</table>
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.apcu-cache-info-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-415">
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<p><strong>Example #1 A <span class="function"><strong>apcu_cache_info()</strong></span> example</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">apcu_cache_info</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程的输出类似于：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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Array
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(
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[num_slots] => 2000
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[ttl] => 0
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[num_hits] => 9
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[num_misses] => 3
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[start_time] => 1123958803
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[cache_list] => Array
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(
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[0] => Array
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(
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[filename] => /path/to/apcu_test.php
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[device] => 29954
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[inode] => 1130511
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[type] => file
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[num_hits] => 1
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[mtime] => 1123960686
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[creation_time] => 1123960696
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[deletion_time] => 0
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[access_time] => 1123962864
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[ref_count] => 1
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[mem_size] => 677
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)
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[1] => Array (...iterates for each cached file)
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)
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.apcu-cache-info-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><a href="apcu.configuration.html" class="link">APCu configuration directives</a></li>
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<li class="member"><span class="methodname"><a href="apcuiterator.gettotalsize.html" class="methodname" rel="rdfs-seeAlso">APCUIterator::getTotalSize()</a> - Get total cache size</span></li>
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<li class="member"><span class="methodname"><a href="apcuiterator.gettotalhits.html" class="methodname" rel="rdfs-seeAlso">APCUIterator::getTotalHits()</a> - Get total cache hits</span></li>
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<li class="member"><span class="methodname"><a href="apcuiterator.gettotalcount.html" class="methodname" rel="rdfs-seeAlso">APCUIterator::getTotalCount()</a> - Get total count</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |