[wp-hackers] Why WP_SITEURL and not $_SERVER['HTTP_HOST']?
beau at dentedreality.com.au
Tue Mar 30 06:47:34 UTC 2010
> I've been wondering this for a long time but never asked this. Anyone know why WordPress doesn't just use $_SERVER['HTTP_HOST'] and instead requires setting of WP_SITEURL (and WP_HOME?)
All of the $_SERVER variables are writeable, so
plugins/themes/anything could modify what they contain, "corrupting"
your theoretically "pristine" way of referring the the URL of the
Setting it as a constant is really about the only way of knowing that
it's set once, never modified, and contains exactly what it's supposed
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