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  <title>Inserts or updates a variable in shared memory</title>

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</div><hr /><div id="function.shm-put-var" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">shm_put_var</h1>
  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">shm_put_var</span> &mdash; <span class="dc-title">Inserts or updates a variable in shared memory</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.shm-put-var-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><strong>shm_put_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>
   , <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$variable</code></span>
   )</div>

  <p class="para rdfs-comment">
    <span class="function"><strong>shm_put_var()</strong></span> inserts or updates the
   <em><code class="parameter">variable</code></em> with the given
   <em><code class="parameter">variable_key</code></em>.
  </p>
  <p class="para">
   Warnings (<strong><code>E_WARNING</code></strong> level) will be issued if
   <em><code class="parameter">shm_identifier</code></em> is not a valid SysV shared memory
   index or if there was not enough shared memory remaining to complete your
   request.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.shm-put-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">
       A shared memory resource handle as returned by
        <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>

    <dt>

     <span class="term"><em><code class="parameter">variable</code></em></span>
     <dd>

      <p class="para">
       The variable. All <a href="language.types.html" class="link">variable types</a>
       that  <span class="function"><a href="function.serialize.html" class="function">serialize()</a></span> supports may be used: generally
       this means all types except for resources and some internal objects
       that cannot be serialized.
      </p>
     </dd>

    </dt>

   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.shm-put-var-returnvalues">
  <h3 class="title">Return Values</h3>
  <p class="para">
   Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> on failure.
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.shm-put-var-seealso">
  <h3 class="title">See Also</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"> <span class="function"><a href="function.shm-get-var.html" class="function" rel="rdfs-seeAlso">shm_get_var()</a> - Returns a variable from shared memory</span></li>
    <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>
   </ul>
  </p>
 </div>


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