[Plugin: feedwordpress] i want pars the website

hi friends
i use feedwordpress plugin that work with feeds
this plugin give the rss of some website then save rss data to database like title and description and publishdate and linke of the each item.
now i have php parser code that i want to add to this plugin for
this , evry item in feed have link i want to use php parser for going to that link and give some content from that website source .

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