need help in php generating HTML

Question

I was learning to validate form data. When I had to write this:

"<"form method="post" action=""<"php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>"

but when I write this, in output, there is a "> showing at the top of the page. Why?

Answer 1

Assuming, there is an echo or a print .Change this:

echo "form method="post" action=""<"php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>"

to this:

echo '<form method="post" action="' . $_SERVER['PHP_SELF'] . '">';