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<div id="zookeeper.set" class="refentry">
<div class="refnamediv">
<h1 class="refname">Zookeeper::set</h1>
<p class="verinfo">(PECL zookeeper >= 0.1.0)</p><p class="refpurpose"><span class="refname">Zookeeper::set</span> — <span class="dc-title">Sets the data associated with a node</span></p>
</div>
<div class="refsect1 description" id="refsect1-zookeeper.set-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="methodname"><strong>Zookeeper::set</strong></span>(<br> <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$path</code></span>,<br> <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$value</code></span>,<br> <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$version</code><span class="initializer"> = -1</span></span>,<br> <span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter reference">&$stat</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span><br>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
</div>
<div class="refsect1 parameters" id="refsect1-zookeeper.set-parameters">
<h3 class="title">参数</h3>
<dl>
<dt><code class="parameter">path</code></dt>
<dd>
<p class="para">
The name of the node. Expressed as a file name with slashes separating ancestors of the node.
</p>
</dd>
<dt><code class="parameter">value</code></dt>
<dd>
<p class="para">
The data to be stored in the node.
</p>
</dd>
<dt><code class="parameter">version</code></dt>
<dd>
<p class="para">
The expected version of the node. The function will fail if the actual version of the node does not match the expected version. If -1 is used the version check will not take place.
</p>
</dd>
<dt><code class="parameter">stat</code></dt>
<dd>
<p class="para">
If not NULL, will hold the value of stat for the path on return.
</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-zookeeper.set-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
成功时返回 <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong>， 或者在失败时返回 <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>。
</p>
</div>
<div class="refsect1 errors" id="refsect1-zookeeper.set-errors">
<h3 class="title">错误／异常</h3>
<p class="para">
This method emits PHP error/warning when parameters count or types are wrong or fail to save value to node.
</p>
<div class="caution"><strong class="caution">警告</strong>
<p class="para">
Since version 0.3.0, this method emits <span class="classname"><a href="class.zookeeperexception.php" class="classname">ZookeeperException</a></span> and it's derivatives.
</p>
</div>
</div>
<div class="refsect1 examples" id="refsect1-zookeeper.set-examples">
<h3 class="title">示例</h3>
<div class="example" id="zookeeper.set.example.basic">
<p><strong>示例 #1 <span class="methodname"><strong>Zookeeper::set()</strong></span> example</strong></p>
<div class="example-contents"><p>
Save value to node.
</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$zookeeper </span><span style="color: #007700">= new </span><span style="color: #0000BB">Zookeeper</span><span style="color: #007700">(</span><span style="color: #DD0000">'locahost:2181'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$path </span><span style="color: #007700">= </span><span style="color: #DD0000">'/path/to/node'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$value </span><span style="color: #007700">= </span><span style="color: #DD0000">'nodevalue'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$r </span><span style="color: #007700">= </span><span style="color: #0000BB">$zookeeper</span><span style="color: #007700">-></span><span style="color: #0000BB">set</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">, </span><span style="color: #0000BB">$value</span><span style="color: #007700">);<br />if (</span><span style="color: #0000BB">$r</span><span style="color: #007700">)<br /> echo </span><span style="color: #DD0000">'SUCCESS'</span><span style="color: #007700">;<br />else<br /> echo </span><span style="color: #DD0000">'ERR'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span></span></code></div>
</div>
<div class="example-contents"><p>以上示例会输出：</p></div>
<div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">SUCCESS</pre>
</div>
</div>
</div>
</div>
<div class="refsect1 seealso" id="refsect1-zookeeper.set-seealso">
<h3 class="title">参见</h3>
<ul class="simplelist">
<li><span class="methodname"><a href="zookeeper.create.php" class="methodname" rel="rdfs-seeAlso">Zookeeper::create()</a> - Create a node synchronously</span></li>
<li><span class="methodname"><a href="zookeeper.get.php" class="methodname" rel="rdfs-seeAlso">Zookeeper::get()</a> - Gets the data associated with a node synchronously</span></li>
<li><span class="classname"><a href="class.zookeeperexception.php" class="classname">ZookeeperException</a></span></li>
</ul>
</div>
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