Can't set header to text/css in php

Question

header("Content-type: text/css");
echo 'sometext';
exit;

in my browser I still see the type text/html, why is that?

Could it be because it is not valid CSS and therefore the browser sets it to the default text/html (I don't know, just worth a try)? — Jori
– Jori, Commented Feb 15, 2014 at 21:36
Are you sure there's no other output with a silent "headers already sent" error message? — Marc B
– Marc B, Commented Feb 15, 2014 at 21:37
@jori: that's not the server or browser's problem. if you say the content is text/css, that'll be the header. Whether the actual response body contains CSS or something entirely different is not up to the http layer to determine. — Marc B
– Marc B, Commented Feb 15, 2014 at 21:38
Yes, I know that should be the behavior, but it is at least worth a try. Oh hell, i'll try it myself, 1 sec... — Jori
– Jori, Commented Feb 15, 2014 at 21:39

Sirac · Accepted Answer · 2014-02-15 21:40:33Z

2

The comments already say it, but try to print/echo some real css-content. if your file is still detected as text/html, turn error-messaging on and see if there is a "headers already send"-warning, which indicates that your php-script echoed some whitespace before the header("...")-codeline.

answered Feb 15, 2014 at 21:40

Sirac

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