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<div id="function.eio-custom" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">eio_custom</h1>
  <p class="verinfo">(PECL eio &gt;= 0.0.1dev)</p><p class="refpurpose"><span class="refname">eio_custom</span> &mdash; <span class="dc-title">Execute custom request like any other <em>eio_*</em> call</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.eio-custom-description">
  <h3 class="title">Опис</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>eio_custom</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$execute</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$pri</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$callback</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$data</code><span class="initializer"> = NULL</span></span><br>): <span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>eio_custom()</strong></span> executes custom function specified by
   <code class="parameter">execute</code> processing it just like any other <em>eio_*</em> call.
  </p>


 </div>


 <div class="refsect1 parameters" id="refsect1-function.eio-custom-parameters">
  <h3 class="title">Параметри</h3>
  <dl>
   
    <dt><code class="parameter">execute</code></dt>
    <dd>
     <p class="para">
      Specifies the request function that should match the following prototype:

      <div class="example-contents"><div class="cdata"><pre>
      mixed execute(mixed data);
      </pre></div></div>

      <code class="parameter">callback</code> is event completion callback that should match the following
      prototype:
      <div class="example-contents"><div class="cdata"><pre>
      void callback(mixed data, mixed result);
      </pre></div></div>


     <code class="parameter">data</code> is the data passed to
     <code class="parameter">execute</code> via <code class="parameter">data</code> argument
      without modifications
      <code class="parameter">result</code> value returned by <code class="parameter">execute</code>
     </p>
    </dd>
   
   
    <dt><code class="parameter">pri</code></dt>
    <dd>
    <p class="para">Пріоритет запиту: <strong><code><a href="eio.constants.php#constant.eio-pri-default">EIO_PRI_DEFAULT</a></code></strong>, <strong><code><a href="eio.constants.php#constant.eio-pri-min">EIO_PRI_MIN</a></code></strong>, <strong><code><a href="eio.constants.php#constant.eio-pri-max">EIO_PRI_MAX</a></code></strong> або <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>.
Якщо параметру <code class="parameter">pri</code>
задано значення <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>, то пріоритетом буде
<strong><code><a href="eio.constants.php#constant.eio-pri-default">EIO_PRI_DEFAULT</a></code></strong>.
</p>

    </dd>
   
   
    <dt><code class="parameter">callback</code></dt>
    <dd>
     <p class="para">
Функція <code class="parameter">callback</code>
викликається після виконання запиту. Вона має відповідати наступному шаблону:
<div class="example-contents"><div class="phpcode"><code><span style="color: #000000">void callback(mixed $data, int $result[, resource $req]);</span></code></div></div>

<dl>

<dt><code class="parameter">data</code></dt>
<dd><p class="para">Користувацькі дані, що будуть в запиті.</p></dd>


<dt><code class="parameter">result</code></dt>
<dd><p class="para">Значення результату, що стосується запиту; повертається
системним викликом.</p></dd>


<dt><code class="parameter">req</code></dt>
<dd><p class="para">Необов&#039;язковий ресурс запиту, який використовують з такими
функціями, як <span class="function"><a href="function.eio-get-last-error.php" class="function">eio_get_last_error()</a></span>.</p></dd>

</dl>
</p>

    </dd>
   
   
    <dt><code class="parameter">data</code></dt>
    <dd>
     <p class="para">
     Arbitrary variable passed to <code class="parameter">callback</code>.
     </p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.eio-custom-returnvalues">
  <h3 class="title">Значення, що повертаються</h3>
  <p class="para">
   <span class="function"><strong>eio_custom()</strong></span> returns request resource on success, або <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> в разі помилки.
  </p>
 </div>




 <div class="refsect1 examples" id="refsect1-function.eio-custom-examples">
  <h3 class="title">Приклади</h3>
  <div class="example" id="example-1">
   <p><strong>Приклад #1 <span class="function"><strong>eio_custom()</strong></span> example</strong></p>
 <div class="example-contents">
 <div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">/* Callback for the custom callback */<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">my_custom_callback</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">, </span><span style="color: #0000BB">$result</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br />    </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">count</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">));<br />    </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">[</span><span style="color: #DD0000">'data_modified'</span><span style="color: #007700">]);<br />    </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">[</span><span style="color: #DD0000">'result'</span><span style="color: #007700">]);<br />}<br /><br /></span><span style="color: #FF8000">/* The custom request */<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">my_custom</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br /><br />    </span><span style="color: #0000BB">$result  </span><span style="color: #007700">= array(<br />        </span><span style="color: #DD0000">'result'        </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">1001</span><span style="color: #007700">,<br />        </span><span style="color: #DD0000">'data_modified' </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">"my custom data"</span><span style="color: #007700">,<br />    );<br /><br />    return </span><span style="color: #0000BB">$result</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #DD0000">"my_custom_data"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$req </span><span style="color: #007700">= </span><span style="color: #0000BB">eio_custom</span><span style="color: #007700">(</span><span style="color: #DD0000">"my_custom"</span><span style="color: #007700">, </span><span style="color: #0000BB">EIO_PRI_DEFAULT</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_custom_callback"</span><span style="color: #007700">, </span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">eio_event_loop</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
</div>

<div class="example-contents"><p>Поданий вище приклад виведе щось
схоже на:</p></div>
<div class="example-contents screen">
 <div class="examplescode"><pre class="examplescode">resource(4) of type (EIO Request Descriptor)
string(14) &quot;my_custom_data&quot;
string(14) &quot;my_custom_data&quot;
int(2)
string(14) &quot;my custom data&quot;
int(1001)</pre>
</div>
 </div>
  </div>
 </div>


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