6 methods override purl_processor::parse() in Persistent URL 7

purl_domain::parse in includes/purl_domain.inc

Simply match our 'q' (aka domain) against an allowed value.

purl_extension::parse in includes/purl_extension.inc

Detects processor in the passed 'value'.

purl_path::parse in includes/purl_path.inc

Tear apart the path and iterate thought it looking for valid values.

purl_querystring::parse in includes/purl_querystring.inc

Tear apart the path and iterate thought it looking for valid values.

purl_subdomain::parse in includes/purl_subdomain.inc

Detects processor in the passed 'value'.

purl_useragent::parse in includes/purl_useragent.inc

See a valid value is present in the HTTP_USER_AGENT. Note: we're using stripos() which makes this check relatively easy to pass..