nction&nbsp;</span><span style="color: #0000BB">flush</span><span style="color: #007700">()<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;first,&nbsp;remove&nbsp;expired&nbsp;content&nbsp;from&nbsp;cache<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">eaccelerator_gc</span><span style="color: #007700">();<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;now,&nbsp;remove&nbsp;leftover&nbsp;cache-keys<br />&nbsp;&nbsp;&nbsp;&nbsp