wp_link_category_checklist in /wp-admin/includes/template.php
3849
Continue readingStrips slashes from in front of quotes.This function changes the character sequence \” to just “. It leaves all other slashes alone. It’s really weird, but the quoting from preg_replace(//e) seems to require this.
3845
Continue readingSearches for HTML tags, no matter how malformed.It also matches stray “>” characters.
3843
Continue readingSanitize content for allowed HTML tags for post content.Post content refers to the page contents of the ‘post’ type and not $_POST data from forms.
3841
Continue reading