Cannot an array variable be included in a string assigned with double quotation marks? How can this problem be solved?

Cannot an array variable be included in a string assigned with double quotation marks ??? I have a statement written like this: PHPcode $ str = & quot; ($ value ['title'], $ value ['artiste '], $ value ['alipay'], $ value ['by'], $ value ['lrc '], $ timeSt, which is a string assigned with double quotation marks, cannot contain array variables ???
I have a statement written like this:

PHP code

  $ Str = "($ value ['title'], $ value ['artiste '], $ value ['alipay'], $ value ['by'], $ value ['lrc '], $ timeStamp, $ timeStamp ),";

Error:
Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting T_STRING or T_VARIABLE or T_NUM_STRING

Which of the following variables must be separated and written in double quotes? Cannot include this?

Thank you!

------ Solution --------------------
Do it like this

PHP code

$ Str = "({$ value ['title']}, {$ value ['artiste ']}, {$ value ['alipay']}, {$ value ['by']}, {$ value ['lrc ']}, $ timeStamp, $ timeStamp ),";