> That said, (Now on to actual PHP) I've noticed (in my own scripting) and a
> few other problems posted here quite a bit of confusion with PHP's single '
> and double " quotes. Reading the material I was led to believe that
> ' ' outputs exactly what is in the quotes and
> " " outputs variables and strings (etc..)
> Thus I become radically confused by this recent comment to use '"$uname"'.
> And furthermore the solutions to one of my MySql query problems being adding
> single quotes ' ' to all the variables. Now by my understanding, thats not
> supposed to work. However, being PHP what it is.. I wasn't suprised.
> (There's some open-source commentary for ya'.) Perhaps I am now thinking,
> these quotes have diffrent meanings when applied in MySql queries, and
> perhaps other DB types. (I haven't really been paying attention to any
> other database tytpe fodder.) And furthermore, does thje function of the '
> and " change in other commands? I could really use a complete description
> on this. Perhaps a link to some long overdue resource I should have read
> months ago before I designed my current project?
You are confusing PHP stuff and database stuff.
'...' prints ... literally regardless of what ... is
So, whoever suggested to use '"$uname"' was on drugs
However, if you have something like this:
mysql_query("insert into blah values ('$uname',$age)");
It is still quite consistent. Variables get expanded inside double quotes
in PHP. single quotes inside a double-quoted string are just like any
other character to PHP. MySQL expects strings to be surrounded by single
quotes in all queries. This has nothing to do with PHP.
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