What will the following code print?
echo addslashes('I am a small "HTML" string, which is
\'invalid\'.');
I am a small "HTML" string, which is 'invalid'.
I am a small \"HTML\" string, which is \'invalid\'.
I am a small \"HTML\" string, which is \\'invalid\\'.
I am a small \"HTML\" string, which is \\\'invalid\\\'.
I am a \small\<\/b\> "HTML" string, which is 'invalid'\<\/u\>.
Submit