_clear_modified_cache_on_transition_comment_status() – Clear the lastcommentmodified cached value when a comment status is changed.
_close_comments_for_old_post() – Close comments on an old post. Hooked to comments_open and pings_open.
_close_comments_for_old_posts() – Close comments on old posts on the fly, without any extra DB queries. Hooked to the_posts.
_get_custom_object_labels() – Build an object with custom-something object (post type, taxonomy) labels out of a custom-something object
_jetpack_og_get_image_validate_size() – Validate the width and height against required width and height
_update_blog_date_on_post_delete() – Handler for updating the blog date when a published post is deleted.
_update_blog_date_on_post_publish() – Handler for updating the blog date when a post is published or an already published post is changed.
_update_posts_count_on_delete() – Handler for updating the current site’s posts count when a post is deleted.
_update_posts_count_on_transition_post_status() – Handler for updating the current site’s posts count when a post status changes.
_update_term_count_on_transition_post_status() – Update the custom taxonomies’ term counts when a post’s status is changed.
_wp_upgrade_revisions_of_post() – Upgrade the revisions author, add the current post as a revision and set the revisions version to 1
csstidy_optimise::AnalyseCssNumber() – Checks if a given string is a CSS valid number. If it is, an array containing the value and unit is returned
csstidy_optimise::cut_color() – Color compression function. Converts all rgb() values to #-values and uses the short-form if possible. Also replaces 4 color names by #-values.
csstidy_optimise::discard_invalid_selectors() – Removes invalid selectors and their corresponding rule-sets as defined by 4.1.7 in REC-CSS2. This is a very rudimentary check and should be replaced by a full-blown parsing algorithm or regular expression
csstidy_optimise::dissolve_4value_shorthands() – Dissolves properties like padding:10px 10px 10px to padding-top:10px;padding-bottom:10px;.
csstidy_optimise::explode_ws() – Explodes a string as explode() does, however, not if $sep is escaped or within a string.
csstidy_optimise::merge_4value_shorthands() – Merges Shorthand properties again, the opposite of dissolve_4value_shorthands()
csstidy_optimise::merge_selectors() – Merges selectors with same properties. Example: a{color:red} b{color:red} -> a,b{color:red} Very basic and has at least one bug. Hopefully there is a replacement soon.
csstidy_optimise::shorthand() – Compresses shorthand values. Example: margin:1px 1px 1px 1px -> margin:1px
delete_blog_option() – Removes option by name for a given blog id. Prevents removal of protected WordPress options.
Filter_Embedded_HTML_Objects::maybe_create_links() – Failed embeds are stripped, so let’s convert them to links at least.
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