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92 lines
4.6 KiB
HTML
92 lines
4.6 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>List all the handlers available</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.dba-handlers" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">dba_handlers</h1>
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<p class="verinfo">(PHP 4 >= 4.3.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">dba_handlers</span> — <span class="dc-title">List all the handlers available</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.dba-handlers-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>dba_handlers</strong></span>
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([ <span class="methodparam"><span class="type">bool</span> <code class="parameter">$full_info</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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<span class="function"><strong>dba_handlers()</strong></span> list all the handlers supported by this
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extension.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.dba-handlers-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">full_info</code></dt>
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<dd>
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<p class="para">
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Turns on/off full information display in the result.
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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.dba-handlers-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns an array of database handlers. If <code class="parameter">full_info</code>
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is set to <strong><code>TRUE</code></strong>, the array will be associative with the handlers names as
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keys, and their version information as value. Otherwise, the result will be
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an indexed array of handlers names.
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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When the internal cdb library is used you will see
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<em>cdb</em> and <em>cdb_make</em>.
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</p>
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</p></blockquote>
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</div>
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<div class="refsect1 examples" id="refsect1-function.dba-handlers-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-968">
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<p><strong>Example #1 <span class="function"><strong>dba_handlers()</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 /><br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"Available DBA handlers:\n"</span><span style="color: #007700">;<br />foreach (</span><span style="color: #0000BB">dba_handlers</span><span style="color: #007700">(</span><span style="color: #0000BB">true</span><span style="color: #007700">) as </span><span style="color: #0000BB">$handler_name </span><span style="color: #007700">=> </span><span style="color: #0000BB">$handler_version</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">// clean the versions<br /> </span><span style="color: #0000BB">$handler_version </span><span style="color: #007700">= </span><span style="color: #0000BB">str_replace</span><span style="color: #007700">(</span><span style="color: #DD0000">'$'</span><span style="color: #007700">, </span><span style="color: #DD0000">''</span><span style="color: #007700">, </span><span style="color: #0000BB">$handler_version</span><span style="color: #007700">);<br /> echo </span><span style="color: #DD0000">" - </span><span style="color: #0000BB">$handler_name</span><span style="color: #DD0000">: </span><span style="color: #0000BB">$handler_version</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />}<br /><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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Available DBA handlers:
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- cdb: 0.75, Revision: 1.3.2.3
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- cdb_make: 0.75, Revision: 1.2.2.4
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- db2: Sleepycat Software: Berkeley DB 2.7.7: (08/20/99)
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- inifile: 1.0, Revision: 1.6.2.3
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- flatfile: 1.0, Revision: 1.5.2.4
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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></div></div></body></html> |