wp_html_split() Separates HTML elements and comments from the text.
get_html_split_regex() Retrieves the regular expression for an HTML element.
_get_wptexturize_split_regex() Retrieves the combined regular expression for HTML and shortcodes.
_get_wptexturize_shortcode_regex() Retrieves the regular expression for shortcodes.
wp_replace_in_html_tags() Replaces characters or phrases within HTML elements only.
_autop_newline_preservation_helper() Newline preservation help function for wpautop().
shortcode_unautop() Don't auto-p wrap shortcodes that stand alone.
seems_utf8() Checks to see if a string is utf8 encoded.
_wp_specialchars() Converts a number of special characters into their HTML entities.
wp_specialchars_decode() Converts a number of HTML entities into their special characters.
wp_check_invalid_utf8() Checks for invalid UTF8 in a string.
utf8_uri_encode() Encodes the Unicode values to be used in the URI.
remove_accents() Converts all accent characters to ASCII characters.
sanitize_file_name() Sanitizes a filename, replacing whitespace with dashes.
sanitize_user() Sanitizes a username, stripping out unsafe characters.
sanitize_key() Sanitizes a string key.
sanitize_title() Sanitizes a string into a slug, which can be used in URLs or HTML attributes.
sanitize_title_for_query() Sanitizes a title with the 'query' context.
sanitize_title_with_dashes() Sanitizes a title, replacing whitespace and a few other characters with dashes.
sanitize_sql_orderby() Ensures a string is a valid SQL 'order by' clause.
sanitize_html_class() Sanitizes an HTML classname to ensure it only contains valid characters.
sanitize_locale_name() Strips out all characters not allowed in a locale name.
convert_chars() Converts lone & characters into `&` (a.k.a. `&`)
convert_invalid_entities() Converts invalid Unicode references range to valid range.
balanceTags() Balances tags if forced to, or if the 'use_balanceTags' option is set to true.
force_balance_tags() Balances tags of string using a modified stack.
format_to_edit() Acts on text which is about to be edited.
zeroise() Add leading zeros when necessary.
backslashit() Adds backslashes before letters and before a number at the start of a string.
trailingslashit() Appends a trailing slash.
untrailingslashit() Removes trailing forward slashes and backslashes if they exist.
addslashes_gpc() Adds slashes to a string or recursively adds slashes to strings within an array.
stripslashes_deep() Navigates through an array, object, or scalar, and removes slashes from the values.
stripslashes_from_strings_only() Callback function for `stripslashes_deep()` which strips slashes from strings.
urlencode_deep() Navigates through an array, object, or scalar, and encodes the values to be used in a URL.
rawurlencode_deep() Navigates through an array, object, or scalar, and raw-encodes the values to be used in a URL.
urldecode_deep() Navigates through an array, object, or scalar, and decodes URL-encoded values
antispambot() Converts email addresses characters to HTML entities to block spam bots.
_make_url_clickable_cb() Callback to convert URI match to HTML A element.
_make_web_ftp_clickable_cb() Callback to convert URL match to HTML A element.
_make_email_clickable_cb() Callback to convert email address match to HTML A element.
_make_clickable_rel_attr() Helper function used to build the "rel" attribute for a URL when creating an anchor using make_clickable().
make_clickable() Converts plaintext URI to HTML links.
_split_str_by_whitespace() Breaks a string into chunks by splitting at whitespace characters.
wp_rel_callback() Callback to add a rel attribute to HTML A element.
wp_rel_nofollow() Adds `rel="nofollow"` string to all HTML A elements in content.
wp_rel_nofollow_callback() Callback to add `rel="nofollow"` string to HTML A element.
wp_rel_ugc() Adds `rel="nofollow ugc"` string to all HTML A elements in content.
wp_targeted_link_rel() Adds `rel="noopener"` to all HTML A elements that have a target.
wp_targeted_link_rel_callback() Callback to add `rel="noopener"` string to HTML A element.