About PHP Warning:implode (): Invalid arguments passed in error related issues

About PHP Warning:implode (): Invalid arguments passed in error problem

$gets = "";      The following ($VV ["Get"] is an array such as Array ("del" = "0", "dept" = "2")
  foreach ($vv ["get"] as $g = + $GV)
  {
   $gets [] = $g. " = ". $GV;
  }

  $gets = Implode ("&", $gets);                   Here's the Implode function error

Baidu Translator: PHP Warning: implode (): Invalid parameter passing

How to solve the great God???
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In front of that sentence var_dump ($gets); Look what it is.
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Should I use explode to transfer to a group? Implode is an array-to-string bar ~ ~
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Put your code all on the line.

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