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191 lines
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HTML
191 lines
8.1 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 information about files cached in the session cache</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.wincache-scache-info" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">wincache_scache_info</h1>
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<p class="verinfo">(PECL wincache >= 1.1.0)</p><p class="refpurpose"><span class="refname">wincache_scache_info</span> — <span class="dc-title">
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Retrieves information about files cached in the session cache
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.wincache-scache-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>wincache_scache_info</strong></span>
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([ <span class="methodparam"><span class="type">bool</span> <code class="parameter">$summaryonly</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 information about session cache content and its usage.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.wincache-scache-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">summaryonly</code></dt>
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<dd>
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<p class="para">
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Controls whether the returned array will contain information about individual cache entries
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along with the session cache summary.
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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.wincache-scache-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 meta data about session cache 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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The array returned by this function contains the following elements:
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<ul class="itemizedlist">
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<li class="listitem">
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<span class="simpara">
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<em>total_cache_uptime</em> - total time in seconds that the session cache has been active
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>total_item_count</em> - total number of elements that are currently in the session cache
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>is_local_cache</em> - true is the cache metadata is for a local cache instance,
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false if the metadata is for the global cache
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>total_hit_count</em> - number of times the data has been served from the cache
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>total_miss_count</em> - number of times the data has not been found in the cache
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</span>
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</li>
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<li class="listitem">
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<p class="para">
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<em>scache_entries</em> - an array that contains the information about all the cached items:
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<ul class="itemizedlist">
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<li class="listitem">
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<span class="simpara">
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<em>key_name</em> - name of the key which is used to store the data
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>value_type</em> - type of value stored by the key
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>use_time</em> - time in seconds since the file has been accessed in the opcode cache
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>last_check</em> - time in seconds since the file has been checked for modifications
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>ttl_seconds</em> - time remaining for the data to live in the cache, 0 meaning infinite
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>age_seconds</em> - time elapsed from the time data has been added in the cache
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<em>hitcount</em> - number of times data has been served from the cache
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</span>
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</li>
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</ul>
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</p>
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</li>
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</ul>
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.wincache-scache-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-618">
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<p><strong>Example #1 A <span class="function"><strong>wincache_scache_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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<pre><br /><span style="color: #0000BB"><?php<br />print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">wincache_scache_info</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?><br /></span></pre></span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程会输出：</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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[total_cache_uptime] => 17357
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[total_file_count] => 121
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[total_hit_count] => 36562
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[total_miss_count] => 201
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[scache_entries] => Array
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(
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[1] => Array
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(
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[file_name] => c:\inetpub\wwwroot\checkcache.php
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[add_time] => 17356
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[use_time] => 7
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[last_check] => 10
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[hit_count] => 454
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[function_count] => 0
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[class_count] => 1
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)
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[2] => Array (...iterates for each cached file)
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)
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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.wincache-scache-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"><span class="function"><a href="wincache_fcache_fileinfo.html" class="function" rel="rdfs-seeAlso">wincache_fcache_fileinfo()</a> - Retrieves information about files cached in the file cache</span></li>
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<li class="member"><span class="function"><a href="wincache_fcache_meminfo.html" class="function" rel="rdfs-seeAlso">wincache_fcache_meminfo()</a> - Retrieves information about file cache memory usage</span></li>
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<li class="member"><span class="function"><a href="wincache_ocache_meminfo.html" class="function" rel="rdfs-seeAlso">wincache_ocache_meminfo()</a> - Retrieves information about opcode cache memory usage</span></li>
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<li class="member"><span class="function"><a href="wincache_rplist_fileinfo.html" class="function" rel="rdfs-seeAlso">wincache_rplist_fileinfo()</a> - Retrieves information about resolve file path cache</span></li>
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<li class="member"><span class="function"><a href="wincache_rplist_meminfo.html" class="function" rel="rdfs-seeAlso">wincache_rplist_meminfo()</a> - Retrieves information about memory usage by the resolve file path cache</span></li>
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<li class="member"><span class="function"><a href="wincache_refresh_if_changed.html" class="function" rel="rdfs-seeAlso">wincache_refresh_if_changed()</a> - Refreshes the cache entries for the cached files</span></li>
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<li class="member"><span class="function"><a href="wincache_ucache_meminfo.html" class="function" rel="rdfs-seeAlso">wincache_ucache_meminfo()</a> - Retrieves information about user cache memory usage</span></li>
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<li class="member"><span class="function"><a href="wincache_ucache_info.html" class="function" rel="rdfs-seeAlso">wincache_ucache_info()</a> - Retrieves information about data stored in the user cache</span></li>
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<li class="member"><span class="function"><a href="wincache_scache_meminfo.html" class="function" rel="rdfs-seeAlso">wincache_scache_meminfo()</a> - Retrieves information about session cache memory usage</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> |