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Alex Rivera
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When I use WordPress built-in functions like add_post_meta, update_post_meta, add_user_meta, update_user_meta wp_insert_post, wp_insert_user Should I do any escaping or sanitizing before passing the user-input data to these functions or these functions themselves do the trick? here in codex Action_Reference/save_post the data is passed to update_post_meta right out of the $_POST .
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