Posted 2 years ago #
I believe that in 2.8, clean_url() and sanitize_url() were deprecated in favor of esc_url() and esc_url_raw().
What are the differences between clean_url()/esc_url() and sanitize_url()/esc_url_raw()? When do you use the former functions, as opposed to the latter functions?
Posted 2 years ago #
http://markjaquith.wordpress.com/2009/06/12/escaping-api-updates-for-wordpress-2-8/
esc_url() is for something like <a href="SANITIZE_THIS">text</a>
If you want compatibility with versions of WP before 2.8, you can still use clean_url()
esc_url_raw() is for other cases where you want a clean URL, but you don't want HTML entities to be encoded. So any non-HTML usage (DB, redirect) would use this.
If you want compatibility with versions of WP before 2.8, you can still use sanitize_url()
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