td>
</tr>
<tr>
  <td class="paramNameCol">$value</td>
  <td class="paramTypeCol">string</td>
  <td class="paramDescCol">the value to be cached</td>
</tr>
<tr>
  <td class="paramNameCol">$expire</td>
  <td class="paramTypeCol">integer</td>
  <td class="paramDescCol">the number of seconds in which the cached value will expire. 0 means never expire.</td>
</tr>
<tr>
  <td class="paramNameCol">{return}</td>
  <td class="paramTypeCol">boolean</td>
  <td class="paramDescCol">true if the value is successfully store