$var = "foo=1&bar=2";
To clarify:
You should use $var = "foo=1&bar=2"; and then $var for header() but htmlspecialchar($var) for your href:
- HTTP-Headers must not be html-encoded.
- HTML-Attributes on the other hand have to be html-encoded.
Even though most browsers work with hrefs without html-encoding and some browsers might understand & in HTTP-Headers this is not conforming to the standards.
- Chris
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