shm_get_var vs apc_fetch
<p>I just noticed you have in PHP the functions family: <code>shm_*</code></p>

<p>Are there any reasons to use apc_fetch and not </p>

<pre><code>shm_attach()
shm_get_var() 
</code></pre>

<p>?</p>

<p>In which case you should use one or another?
Thanks</p>
