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Larry Ullman's Book Forums

Pg 92. - Step #9 - Why Use Concatenate For The Password?

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For #9, "Add user to the database" part of the code is:

	$q = "INSERT INTO users (username, email, pass, first_name, last_name, date_expires) VALUES ('$u', '$e', '" . password_hash($p, PASSWORD_BCRYPT) . "', '$fn', '$ln', ADDDATE(NOW(), INTERVAL 1 MONTH) )";
		$r = mysqli_query($dbc, $q);

I'm wondering why there is concatenating going on:

 '" . password_hash($p, PASSWORD_BCRYPT) . "'

What does this benefit?  Isn't this info just being dumped into the database as a string?

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The concatenation is just adding the output of the function to the query. Alternatively, you could call the function before the query, assign the results to a variable, and then use the variable within the query.

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