Passing variables from HTML to PHP

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Hi all.

This might be a simple answer, but I'm still not sure what the case is. Okay, so I have a <form> in my html that has some <input>s. These each have a `name` and a `value` attribute to them, of course.

I cannot seem to access the name/value pair in my php without using the $_POST method/variable names. Are you able to without $_POST? Example:

-------------------
html:
<input type="checkbox" name="foo" value="bar">

php:
do this:
echo "foo = " . $foo; // foo = bar

or this:
echo "foo = " . $_POST["foo"]; // foo = bar
-------------------

So, should both of those php examples work the same?

Thanks!
~Philip

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