I need help once more. I have a variable that is a string with spaces. What I need to 
do is put a "+" sign in the spaces so that the string will print like 
"This+is+a+string." I have tried using implode, but I get this error:

Warning: Bad arguments to implode()

The code I am using is as follows:

$prod = implode("+", $_POST['product']);

Is this the correct thing to use, or is there another way to change the string?



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