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<title>Returns a variable from shared memory</title>
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<h1 class="refname">shm_get_var</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">shm_get_var</span> — <span class="dc-title">Returns a variable from shared memory</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.shm-get-var-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><strong>shm_get_var</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$shm_identifier</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$variable_key</code></span>
)</div>
<p class="para rdfs-comment">
<span class="function"><strong>shm_get_var()</strong></span> returns the variable with a given
<em><code class="parameter">variable_key</code></em>, in the given shared memory segment.
The variable is still present in the shared memory.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.shm-get-var-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">shm_identifier</code></em></span>
<dd>
<p class="para">
Shared memory segment, obtained from <span class="function"><a href="function.shm-attach.html" class="function">shm_attach()</a></span>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">variable_key</code></em></span>
<dd>
<p class="para">
The variable key.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.shm-get-var-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the variable with the given key.
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.shm-get-var-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.shm-has-var.html" class="function" rel="rdfs-seeAlso">shm_has_var()</a> - Check whether a specific entry exists</span></li>
<li class="member"> <span class="function"><a href="function.shm-put-var.html" class="function" rel="rdfs-seeAlso">shm_put_var()</a> - Inserts or updates a variable in shared memory</span></li>
</ul>
</p>
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