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<title>Get unstable period</title>
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<h1 class="refname">trader_get_unstable_period</h1>
<p class="verinfo">(PECL trader >= 0.2.2)</p><p class="refpurpose"><span class="refname">trader_get_unstable_period</span> — <span class="dc-title">Get unstable period</span></p>
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<div class="refsect1 description" id="refsect1-function.trader-get-unstable-period-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">integer</span> <span class="methodname"><strong>trader_get_unstable_period</strong></span>
( <span class="methodparam"><span class="type">integer</span> <code class="parameter">$functionId</code></span>
)</div>
<p class="para rdfs-comment">
Get unstable period factor for a particular function.
</p>
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<div class="refsect1 parameters" id="refsect1-function.trader-get-unstable-period-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<span class="term"><em><code class="parameter">functionId</code></em></span>
<dd>
<p class="para">
Function ID the factor to be read for. <a href="trader.constants.html" class="link">TRADER_FUNC_UNST_*</a> series of constants should be used.
</p>
</dd>
</dt>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.trader-get-unstable-period-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">Returns the unstable period factor for the corresponding function.</p>
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