uTools-Manuals/docs/php/gupnp_service_info_get_introspection.html
2019-04-28 19:00:34 +08:00

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<title>Get resource introspection of service</title>
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<div id="layout-content"><div id="function.gupnp-service-info-get-introspection" class="refentry">
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<h1 class="refname">gupnp_service_info_get_introspection</h1>
<p class="verinfo">(PECL gupnp &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">gupnp_service_info_get_introspection</span> &mdash; <span class="dc-title">Get resource introspection of service</span></p>
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<div class="refsect1 description" id="refsect1-function.gupnp-service-info-get-introspection-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>gupnp_service_info_get_introspection</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$proxy</code></span>
[, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$callback</code></span>
[, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$arg</code></span>
]] ) : <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span></div>
<p class="para rdfs-comment">
Get resource introspection of service or register callback if corresponding parameter was passed.
</p>
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<div class="refsect1 parameters" id="refsect1-function.gupnp-service-info-get-introspection-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">proxy</code></dt>
<dd>
<p class="para">
A service proxy identifier.
</p>
</dd>
<dt>
<code class="parameter">callback</code></dt>
<dd>
<p class="para">
The callback function to be called when introspection object is ready.
Typically, callback function takes on three parameters. The <code class="parameter">introspection</code>
parameter&#039;s identifier being the first, <code class="parameter">error</code> parameter&#039;s message
being the second, and the <code class="parameter">arg</code> is third.
</p>
</dd>
<dt>
<code class="parameter">arg</code></dt>
<dd>
<p class="para">
User data for <code class="parameter">callback</code>.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.gupnp-service-info-get-introspection-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
Return true if callback function was defined.
Return introspection identifier if callback function was omited.
</p>
</div>
<div class="refsect1 errors" id="refsect1-function.gupnp-service-info-get-introspection-errors">
<h3 class="title">错误/异常</h3>
<p class="para">
Issues E_WARNING with not valid callback function.
</p>
</div>
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