Quick PHP variable question.?

  • Thread starter Thread starter Oh C
  • Start date Start date
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Oh C

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I know what variables are and all that other stuff, but my question is

what does this do:
$$variable; (2 dollar marks, not 1)
what does that do?

also the {} braces
like ${var} or {$var}

What do these things do?

Thanks, John.
 
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