wordpress有很多的函数可供调用，下面模板兔就整理了一下wordpress函数大全供各位参考，如果要详情，可以访问https://developer.wordpress.org/reference/functions/参数名/，感兴趣的朋友可以收藏。
文章，页面，附件，书签
文章
get_adjacent_post
get_boundary_post
get_children
get_extended
get_next_post
get_next_posts_link
next_posts_link
get_permalink
the_permalink
get_the_excerpt
the_excerpt
get_the_post_thumbnail
get_post
get_post_field
get_post_ancestors
get_post_mime_type
get_post_status
get_post_format
set_post_format
get_delete_post_link
get_previous_post
get_previous_posts_link
previous_posts_link
have_posts
is_post（不赞成）
is_single
is_sticky
get_the_ID
the_ID
the_post
wp_get_recent_posts
wp_get_single_post
has_post_thumbnail
has_excerpt
has_post_format
自定义文章状态
register_post_status
自定义文章类型
register_post_type
is_post_type_archive
post_type_archive_title
add_post_type_support
remove_post_type_support
post_type_supports
set_post_type
post_type_exists
get_post_type
get_post_types
get_post_type_archive_link
get_post_type_object
get_post_type_capabilities
get_post_type_labels
is_post_type_hierarchical
文章插入/移除l
wp_delete_post
wp_insert_post
wp_publish_post
wp_trash_post
wp_update_post
页面
get_all_page_ids
get_ancestors
get_page（不赞成）
get_page_link
get_page_by_path
get_page_by_title
get_page_children
get_page_hierarchy
get_page_uri
get_pages
is_page
page_uri_index
wp_link_pages
wp_dropdown_pages
自定义域 (文章信息 postmeta)
add_post_meta
delete_post_meta
get_post_custom
get_post_custom_keys
get_post_custom_values
get_post_meta
update_post_meta
register_meta
附件
get_attached_file
image_resize（不赞成）
is_attachment
is_local_attachment
set_post_thumbnail
update_attached_file
wp_attachment_is_image
wp_create_thumbnail（不赞成）
wp_insert_attachment
wp_delete_attachment
wp_get_attachment_image
wp_get_attachment_link
wp_get_attachment_image_src
wp_get_attachment_metadata
wp_get_attachment_thumb_file
wp_get_attachment_thumb_url
wp_get_attachment_url
wp_check_for_changed_slugs
wp_count_posts
wp_get_mime_types
wp_mime_type_icon
wp_generate_attachment_metadata
wp_prepare_attachment_for_js
wp_update_attachment_metadata
书签(链接)
get_bookmark
get_bookmarks
wp_get_post_categories
条件项
wp_set_post_categories
wp_get_post_tags
wp_set_post_tags
wp_get_post_terms
wp_set_post_terms
wp_count_terms
has_term
is_object_in_term
其他
add_meta_box
remove_meta_box
get_the_ID
the_ID
get_the_author
the_author
get_the_author_posts
get_the_content
the_content
get_the_title
the_title
the_title_attribute
wp_trim_excerpt
wp_get_post_revision
wp_get_post_revisions
wp_is_post_revision
paginate_links
分类，标签，分类法
分类
cat_is_ancestor_of
get_all_category_ids
get_ancestors
get_cat_ID
get_cat_name
get_categories
get_category
get_category_by_path
get_category_by_slug
get_the_category_by_ID
get_the_category_list
get_category_link
get_category_parents
get_the_category
single_cat_title
in_category
is_category
the_category
wp_category_checklist
wp_dropdown_categories
wp_list_categories
分类创建
wp_create_category
wp_delete_category
wp_insert_category
标签
get_tag
get_tag_link
get_tags
get_the_tag_list
get_the_tags
has_tag
is_tag
the_tags
single_tag_title
tag_description
wp_generate_tag_cloud
wp_tag_cloud
分类法
get_object_taxonomies
get_edit_term_link
get_edit_term_link
get_taxonomy
get_taxonomies
get_term
get_the_term_list
get_term_by
the_terms
get_the_terms
get_term_children
get_term_link
get_terms
is_taxonomy
is_taxonomy_hierarchical
is_term（不赞成）
taxonomy_exists
term_exists
register_taxonomy
register_taxonomy_for_object_type
wp_get_object_terms
wp_remove_object_terms
wp_set_object_terms
wp_insert_term
wp_update_term
wp_delete_term
wp_terms_checklist
用户、作者及权限
权限
add_cap
add_role
author_can
current_user_can
current_user_can_for_blog
get_role
get_super_admins
is_super_admin
map_meta_cap
remove_cap
remove_role
user_can
用户和作者
auth_redirect
count_users
count_user_posts
count_many_users_posts
email_exists
get_currentuserinfo
get_current_user_id
get_profile（不赞成）
get_user_by
get_userdata
get_usernumposts（不赞成）
get_users
set_current_user（不赞成）
user_pass_ok（不赞成）
wp_authenticate
username_exists
validate_username
wp_dropdown_users
wp_get_current_user
wp_set_current_user
wp_set_password
get_author_posts_url
get_the_modified_author
is_multi_author
用户 meta
add_user_meta
delete_user_meta
get_user_meta
update_user_meta
get_the_author_meta
用户添加和删除
wp_create_user
wp_delete_user
wp_insert_user
wp_update_user
登录和注销
is_user_logged_in
wp_login_form
wp_signon
wp_logout
wp_loginout
供稿(Feed)
bloginfo_rss
comment_author_rss
comment_link
comment_text_rss
do_feed
do_feed_atom
do_feed_rdf
do_feed_rss
do_feed_rss2
fetch_feed
fetch_rss（不赞成）
get_author_feed_link
get_bloginfo_rss
get_category_feed_link
get_comment_link
get_comment_author_rss
get_post_comments_feed_link
get_rss（不赞成）
get_search_comments_feed_link
get_search_feed_link
get_the_category_rss
get_the_title_rss
post_comments_feed_link
rss_enclosure
the_title_rss
the_category_rss
the_content_rss（不赞成）
the_excerpt_rss
wp_rss（不赞成）
评论，通知和引用(Ping,Trackback)
add_ping
add_comment_meta
check_comment
comment_text
comment_form
comments_number
discover_pingback_server_uri
delete_comment_meta
do_all_pings
do_enclose
do_trackbacks
generic_ping
get_approved_comments
get_avatar
get_comment
get_comment_text
get_comment_meta
get_comments
wp_list_comments
get_enclosed
get_lastcommentmodified
get_pung
get_to_ping
have_comments
get_comment_author
is_trackback
pingback
privacy_ping_filter
sanitize_comment_cookies
trackback
trackback_url
trackback_url_list
update_comment_meta
weblog_ping
wp_allow_comment
wp_count_comments
wp_delete_comment
wp_filter_comment
wp_get_comment_status
wp_get_current_commenter
wp_insert_comment
wp_new_comment
wp_set_comment_status
wp_throttle_comment_flood
wp_update_comment
wp_update_comment_count
wp_update_comment_count_now
评论循环
comment_class
comment_ID
comment_author
comment_date
comment_time
get_comment_date
get_comment_time
评论分页
paginate_comments_links
previous_comments_link
next_comments_link
get_comment_pages_count
远程(remote)
wp_remote_get
wp_remote_retrieve_body
wp_get_http_headers
wp_remote_fopen
动作(Action)，过滤器(Filter)和插件
过滤器
has_filter
add_filter
apply_filters
apply_filters_ref_array
current_filter
merge_filters
remove_filter
remove_all_filters
动作
has_action
add_action
do_action
do_action_ref_array
did_action
remove_action
remove_all_actions
插件
plugin_basename
plugins_url
get_plugin_data
get_admin_page_title
plugin_dir_path
register_activation_hook
register_deactivation_hook
menu_page_url
is_plugin_active
is_plugin_active_for_network
is_plugin_inactive
is_plugin_page
add_contextual_help（不赞成）
get_plugins
小工具
is_active_widget
register_widget
the_widget
unregister_widget
wp_add_dashboard_widget
wp_convert_widget_settings
wp_get_sidebars_widgets（不赞成）
wp_get_widget_defaults
wp_register_sidebar_widget
wp_register_widget_control
wp_set_sidebars_widgets（不赞成）
wp_unregister_sidebar_widget
wp_unregister_widget_control
wp_widget_description
设置
register_setting
unregister_setting
settings_fields
do_settings_fields
do_settings_sections
add_settings_field
add_settings_section
add_settings_error
get_settings_errors
settings_errors
短标签
add_shortcode
do_shortcode
do_shortcode_tag（不赞成）
get_shortcode_regex
remove_shortcode
remove_all_shortcodes
shortcode_atts
shortcode_parse_atts
strip_shortcodes
主题相关
Include 函数
comments_template
get_footer
get_header
get_sidebar
get_search_form
其他函数
add_custom_background
add_custom_image_header（不赞成）
add_image_size
add_theme_support
body_class
current_theme_supports
dynamic_sidebar
get_404_template
get_archive_template
get_attachment_template
get_author_template
get_body_class
get_category_template
get_comments_popup_template
get_current_theme
get_date_template
get_header_image
get_header_textcolor
get_home_template
get_locale_stylesheet_uri
get_page_template
get_paged_template
get_post_class
get_query_template
get_search_template
get_single_template
get_stylesheet
get_stylesheet_directory
get_stylesheet_directory_uri
get_stylesheet_uri
get_tag_template
get_taxonomy_template
get_template
get_template_directory
get_template_directory_uri
get_template_part
get_theme（不赞成）
wp_get_themes
get_theme_data（不赞成）
get_theme_support
get_theme_mod
get_theme_mods
get_theme_root
get_theme_roots
get_theme_root_uri
get_themes（不赞成）
has_header_image
header_image
header_textcolor
in_the_loop
is_child_theme
is_active_sidebar
is_admin_bar_showing
is_customize_preview
is_dynamic_sidebar
language_attributes
load_template
locale_stylesheet
locate_template
post_class
preview_theme
preview_theme_ob_filter
preview_theme_ob_filter_callback
register_nav_menu
register_nav_menus
get_registered_nav_menus
wp_create_nav_menu
register_sidebar
register_sidebars
register_theme_directory
remove_theme_mod
remove_theme_mods
remove_theme_support
require_if_theme_supports
search_theme_directories
set_theme_mod
switch_theme
validate_current_theme
unregister_nav_menu
unregister_sidebar
wp_add_inline_style
wp_clean_themes_cache
wp_get_archives
wp_get_nav_menu_items
wp_get_theme
wp_nav_menu
wp_oembed_remove_provider
wp_page_menu
wp_title
格式化(Formatting)
absint
add_magic_quotes
addslashes_gpc
antispambot
attribute_escape
backslashit
balanceTags
clean_pre
clean_url（不赞成）
convert_chars
convert_smilies
ent2ncr
esc_attr
esc_html
esc_js
esc_textarea
esc_sql
esc_url
esc_url_raw
force_balance_tags
format_to_edit
format_to_post（不赞成）
funky_javascript_fix
htmlentities2
is_email
js_escape（不赞成）
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
urlencode_deep
url_shorten
utf8_uri_encode
wpautop
wptexturize
wp_filter_kses
wp_filter_post_kses
wp_filter_nohtml_kses
wp_iso_descrambler
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_no_null
wp_kses_normalize_entities
wp_kses_normalize_entities2
wp_kses_split
wp_kses_split2
wp_kses_strip_slashes
wp_kses_version
wp_make_link_relative
wp_normalize_path
wp_rel_nofollow
wp_richedit_pre
wp_specialchars
wp_trim_words
zeroise
current_time
date_i18n
get_calendar
get_date_from_gmt
get_lastpostdate
get_lastpostmodified
get_day_link
get_gmt_from_date
get_month_link
the_date
get_the_date
the_time
get_the_time
the_modified_time
get_the_modified_time
get_weekstartend
get_year_link
human_time_diff
is_new_day
iso8601_timezone_to_offset
iso8601_to_datetime
mysql2date
序列化
is_serialized
is_serialized_string
maybe_serialize
maybe_unserialize
选项
add_option
add_site_option
delete_option
delete_site_option
form_option
get_alloptions（不赞成）
get_site_option
get_site_url
get_admin_url
get_user_option
get_option
update_option
update_site_option
update_user_option
wp_load_alloptions
Transients
set_transient
get_transient
delete_transient
set_site_transient
get_site_transient
delete_site_transient
后台菜单
add_menu_page
remove_menu_page
add_submenu_page
remove_submenu_page
add_object_page
add_utility_page
add_comments_page
add_dashboard_page
add_links_page
add_management_page
add_media_page
add_options_page
add_pages_page
add_plugins_page
add_posts_page
add_theme_page
add_users_page
工具栏
add_node
remove_node
add_group
get_node
get_nodes
表单帮助
checked
disabled
selected
submit_button
get_submit_button
Nonces and Referers
check_admin_referer
check_ajax_referer
wp_create_nonce
wp_explain_nonce（不赞成）
wp_get_original_referer
wp_get_referer
wp_nonce_ays
wp_nonce_field
wp_nonce_url
wp_original_referer_field
wp_referer_field
wp_send_json
wp_send_json_error
wp_send_json_success
wp_verify_nonce
XMLRPC
xmlrpc_getpostcategory
xmlrpc_getposttitle
xmlrpc_removepostdata
user_pass_ok（不赞成）
本地化
__
_x
_n
_nx
_e
_ex
__ngettext
esc_attr__
esc_attr_e
get_locale
load_default_textdomain
load_plugin_textdomain
load_textdomain
load_theme_textdomain
is_rtl
定时
spawn_cron
wp_clear_scheduled_hook
wp_cron
wp_get_schedule
wp_get_schedules
wp_next_scheduled
wp_reschedule_event
wp_schedule_event
wp_schedule_single_event
wp_unschedule_event
脚本与样式表
wp_dequeue_script
wp_dequeue_style
wp_deregister_script
wp_deregister_style
wp_enqueue_script
wp_enqueue_style
wp_localize_script
wp_register_script
wp_register_style
wp_script_is
wp_style_is
SQL
get_tax_sql
get_meta_sql
get_posts_by_author_sql
杂项
add_editor_style
add_query_arg
admin_url
bool_from_yn
cache_javascript_headers
capital_P_dangit
clean_blog_cache
content_url
do_robots
flush_rewrite_rules
get_bloginfo
get_num_queries
get_post_stati
get_post_statuses
get_query_var
home_url
includes_url
is_blog_installed
is_main_site
is_main_query
is_multisite
is_ssl
is_wp_error
log_app（不赞成）
make_url_footnote（不赞成）
network_admin_url
network_home_url
network_site_url
nocache_headers
plugin_dir_url
query_posts
remove_query_arg
rewind_posts
setup_postdata
site_url
status_header
unzip_file
validate_file
validate_file_to_edit
wp
wp_cache_set
wp_cache_get
wp_cache_reset（不赞成）
wp_check_filetype
wp_clearcookie
wp_die
wp_editor
wp_footer
wp_get_cookie_login（不赞成）
wp_get_image_editor
wp_get_installed_translations
wp_hash
wp_handle_sideload
wp_head
wp_install_defaults
wp_is_mobile
wp_mail
wp_mkdir_p
wp_new_user_notification
wp_password_change_notification
wp_notify_moderator
wp_notify_postauthor
wp_parse_args
wp_redirect
wp_reset_postdata
wp_reset_query
wp_salt
wp_set_auth_cookie
wp_safe_redirect
wp_upload_bits
wp_upload_dir
wp_list_pluck
wp_text_diff
post_submit_meta_box
pings_open
is_page_template
is_author
like_escape
多站点
管理员
confirm_delete_users
is_user_member_of_blog
wp_dashboard_quota
admin_notice_feed（不赞成）
avoid_blog_page_permalink_collision
check_import_new_users
check_upload_size
choose_primary_blog
display_space_usage
fix_import_form_size
format_code_lang
get_site_allowed_themes
grant_super_admin
ms_deprecated_blogs_file
mu_dropdown_languages
new_user_email_admin_notice
redirect_user_to_blog
refresh_user_details
revoke_super_admin
secret_salt_warning
send_confirmation_on_profile_email
show_post_thumbnail_warning（不赞成）
site_admin_notice
sync_category_tag_slugs
update_option_new_admin_email
update_user_status
upload_is_user_over_quota
upload_space_setting
wpmu_delete_blog
wpmu_delete_user
wpmu_get_blog_allowedthemes
_admin_notice_multisite_activate_plugins_page
其他方法
add_blog_option
delete_blog_option
get_blogaddress_by_domain
get_blogaddress_by_id
get_blogaddress_by_name
get_blog_details
get_blog_option
get_blog_status
get_id_from_blogname
get_last_updated
is_archived
refresh_blog_details
restore_current_blog
switch_to_blog
update_archived
update_blog_details
update_blog_option
update_blog_status
wpmu_update_blogs_date
ms_cookie_constants
ms_file_constants
ms_subdomain_constants
ms_upload_constants
add_existing_user_to_blog
add_new_user_to_blog
add_user_to_blog
check_upload_mimes
create_empty_blog
domain_exists
filter_SSL
fix_phpmailer_messageid
force_ssl_content
get_active_blog_for_user
get_admin_users_for_domain
get_blogs_of_user
get_blog_count
get_blog_id_from_url
get_blog_permalink
get_blog_post
get_current_site
get_dashboard_blog
get_dirsize
get_most_recent_post_of_user
get_sitestats
get_space_allowed
get_space_used
get_upload_space_available
get_user_count
get_user_id_from_string（不赞成）
global_terms
insert_blog
install_blog
install_blog_defaults
is_blog_user（不赞成）
is_email_address_unsafe
is_upload_space_available
is_user_option_local
is_user_spammy
maybe_add_existing_user_to_blog
maybe_redirect_404
newblog_notify_siteadmin
newuser_notify_siteadmin
recurse_dirsize
redirect_this_site
remove_user_from_blog
signup_nonce_check
signup_nonce_fields
update_blog_public
update_posts_count
upload_is_file_too_big
upload_is_user_over_quota
upload_size_limit_filter
users_can_register_signup_filter
welcome_user_msg_filter
wp_get_sites
wpmu_activate_signup
wpmu_create_blog
wpmu_create_user
wpmu_log_new_registrations
wpmu_signup_blog
wpmu_signup_blog_notification
wpmu_signup_user
wpmu_signup_user_notification
wpmu_validate_blog_signup
wpmu_validate_user_signup
wpmu_welcome_notification
wpmu_welcome_user_notification
get_current_site_name（不赞成）
is_subdomain_install
ms_not_installed
ms_site_check
wpmu_current_site（不赞成）
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