> So no they are not meant to go around. You can use them this way as well.
that has almost the same meaning of
$_ = '_POST';
echo count($$_);
which again, for readability brackets are suggested to improve maintainability
$_ = '_POST';
echo count(${$_});
Regards
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Windows Live: Make it easier for your friends to see what you’re up to on Facebook.
http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-action/social-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-xm:SI_SB_2:092009
