New and updated in 2.3.0
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hook{$field}_pre
Filters the value of a specific post field before saving.
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hook{$field}
Filters the value of a specific post field for display.
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functiondelete_post_meta_by_key()
Deletes everything from post meta matching the given meta key.
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functionget_post_field()
Retrieves data from a post field based on Post ID.
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Sets the tag base for the tag permalink.
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Fires at the end of the RSS2 comment feed header.
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Filters rewrite rules used specifically for Tags.
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Retrieves the permalink structure for tags.
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functionredirect_canonical()
Redirects incoming links to the proper URL based on the site url.
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Filters the canonical redirect URL.
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functionredirect_guess_404_permalink()
Attempts to guess the correct URL for a 404 request based on query vars.
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functionsanitize_bookmark()
Sanitizes all bookmark fields.
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functionsanitize_bookmark_field()
Sanitizes a bookmark field.
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functionget_bookmark_field()
Retrieves single bookmark data item or field.
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Filters the list of script dependencies left to print.
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hookload_feed_engine
Fires before MagpieRSS is loaded, to optionally replace it.
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methodwpdb::escape_by_ref()
Escapes content by reference for insertion into the database, for security.
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methodwpdb::prepare()
Prepares a SQL query for safe execution.
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functionclean_comment_cache()
Removes a comment from the object cache.
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functionupdate_comment_cache()
Updates the comment cache of given comments.
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Fires immediately after a post’s comment count is updated in the database.
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functioncheck_comment_flood_db()
Hooks WP’s native database-based comment-flood check.
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hookget_comment
Fires after a comment is retrieved.
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Fires immediately before a comment is marked approved.