自定义字段 | Custom Fields
- add_post_meta
- delete_post_meta
- delete_post_meta_by_key
- get_post_custom
- get_post_custom_keys
- get_post_custom_values
- get_post_meta
- update_post_meta
短代码 | Shortcodes
- add_shortcode
- do_shortcode
- do_shortcode_tag
- get_shortcode_regex
- has_shortcode
- remove_all_shortcodes
- remove_shortcode
- shortcode_atts
- shortcode_parse_atts
- strip_shortcodes
缓存 | Cache
- wp_cache_add
- wp_cache_add_global_groups
- wp_cache_decr
- wp_cache_delete
- wp_cache_flush
- wp_cache_get
- wp_cache_incr
- wp_cache_init
- wp_cache_replace
- wp_cache_set
- wp_cache_switch_to_blog
KSES
- wp_filter_kses
- wp_filter_nohtml_kses
- wp_filter_post_kses
- wp_kses
- wp_kses_array_lc
- wp_kses_attr
- wp_kses_bad_protocol
- wp_kses_bad_protocol_once
- wp_kses_bad_protocol_once2
- wp_kses_check_attr_val
- wp_kses_decode_entities
- wp_kses_hair
- wp_kses_hook
- wp_kses_html_error
- wp_kses_js_entities
- wp_kses_normalize_entities
- wp_kses_normalize_entities2
- wp_kses_no_null
- wp_kses_split
- wp_kses_split2
- wp_kses_stripslashes
- wp_kses_version
格式化 | Formatting
- addslashes_gpc
- add_magic_quotes
- antispambot
- backslashit
- balanceTags
- convert_chars
- convert_smilies
- ent2ncr
- esc_attr
- esc_attr_e
- esc_attr__
- esc_html
- esc_html_e
- esc_html__
- esc_js
- esc_sql
- esc_textarea
- esc_url
- esc_url_raw
- force_balance_tags
- format_to_edit
- is_email
- like_escape
- make_clickable
- popuplinks
- remove_accents
- sanitize_email
- sanitize_file_name
- sanitize_html_class
- sanitize_key
- sanitize_mime_type
- sanitize_option
- sanitize_sql_orderby
- sanitize_text_field
- sanitize_title
- sanitize_title_for_query
- sanitize_title_with_dashes
- sanitize_user
- seems_utf8
- stripslashes_deep
- trailingslashit
- untrailingslashit
- url_shorten
- utf8_uri_encode
- wpautop
- wptexturize
- wp_make_link_relative
- wp_rel_nofollow
- wp_richedit_pre
- zeroise
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函数参考来源：wpjam