What does the following command do in PHP?
. $string // ($string is something which I declared in the program)
What does a . (dot) do in PHP?
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Two string operators are available. The first is the concatenation operator ('.') that returns its right and left argument concatenation. Second is the concatenation operator of assignment ('.='), which adds the right-hand argument to the left-hand argument. For further details, please read Assignment Operators
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