smarty - Symbol in PHP I've never come across before -

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I should rarely have, but I have never seen before it runs in search of a smartly plug-in's docuation . 

  $ smarty = & amp; New Wise;

the = & amp; Sign in specifically if you enter it in Google, it is ignored like any other search engine, what is used for it?

goes to the signature of the same function: 

  connect the function (& $ smarty, $ reset = false)

why & Amp; Symbol?

.


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