wordpress100个常用函数
1. get_theme_mod()
Retrieve theme modification value for the current theme.
2. add_setting()
Add a customize setting.
4. apply_filters()
Call the functions added to a filter hook.
5. esc_attr()
Escaping for HTML attributes.
6. get_option()
Retrieves an option value based on an option name.
7. esc_url()
Checks and cleans a URL.
8. esc_html()
Escaping for HTML blocks.
9. _e()
In WordPress, strings in the php files are marked for translation to other languages, and localization using two functions: __() and _e().
10. absint()
Convert a value to non-negative integer.
11. get_template_part()
Loads a template part into a template.
12. is_singular()
Is the query for an existing single post of any post type (post, attachment, page, custom post types)?
13. get_post_type()
Retrieves the post type of the current post or of a given post.
14. get_the_ID()
Retrieve the ID of the current item in the WordPress Loop.
15. the_content()
Display the post content.
16. have_posts()
Whether current WordPress query has results to loop over.
17. post_class()
Display the classes for the post div.
18. get_comments_number()
Retrieves the amount of comments a post has.
19. the_ID()
Display the ID of the current item in the WordPress Loop.
20. is_single()
Is the query for an existing single post?
21. get_permalink()
Retrieves the full permalink for the current post or post ID.
22. get_the_title()
Retrieve post title.
23. admin_url()
Retrieves the URL to the admin area for the current site.
24. add_section()
Add a customize section.
25. is_home()
Determines if the query is for the blog homepage.
26. get_sidebar()
Load sidebar template.
27. get_footer()
Load footer template.
28. is_customize_preview()
Whether the site is being previewed in the Customizer.
29. wp_nav_menu()
Displays a navigation menu.
30. the_title()
Display or retrieve the current post title with optional markup.
31. current_user_can()
Whether the current user has a specific capability.
32. is_active_sidebar()
Whether a sidebar is in use.
33. wp_link_pages()
The formatted output of a list of pages.
34. get_the_time()
Retrieve the time at which the post was written.
35. get_the_date()
Retrieve the date on which the post was written.
36. the_permalink()
Displays the permalink for the current post.
37. the_post()
Iterate the post index in the loop.
38. esc_attr_e()
Display translated text that has been escaped for safe use in an attribute.
39. is_front_page()
Is the query for the front page of the site?
40. bloginfo()
Displays information about the current site.
41. comments_open()
Whether the current post is open for comments.
42. post_password_required()
Whether post requires password and correct password has been provided.
43. has_post_thumbnail()
Check if post has an image attached.
44. get_bloginfo()
Retrieves information about the current site.
45. get_post_format()
Retrieve the format slug for a post
46. dynamic_sidebar()
Display dynamic sidebar.
47. is_search()
Is the query for a search?
48. home_url()
Retrieves the URL for the current site where the front end is accessible.
49. comments_template()
Load the comment template specified in $file.
50. add_theme_support()
Registers theme support for a given feature.
51. add_query_arg()
Retrieves a modified URL query string.
52. has_nav_menu()
Determines whether a registered nav menu location has a menu assigned to it.
53. is_wp_error()
Check whether variable is a WordPress Error.
54. get_the_author_meta()
Retrieves the requested data of the author of the current post.
55. edit_post_link()
Displays the edit post link for post.
56. is_admin()
Whether the current request is for an administrative interface page.
57. the_excerpt()
Display the post excerpt.
58. wp_get_attachment_image_src()
Retrieve an image to represent an attachment.
59. _x()
Retrieve translated string with gettext context.
60. language_attributes()
Displays the language attributes for the html tag.
61. body_class()
Display the classes for the body element.
62. add_filter()
Hook a function or method to a specific filter action.
63. is_page()
Is the query for an existing single page?
64. register_sidebar()
Builds the definition for a single sidebar and returns the ID.
65. get_the_category_list()
Retrieve category list for a post in either HTML list or custom format.
66. get_the_tag_list()
Retrieve the tags for a post formatted as a string.
67. esc_attr_x()
Translate string with gettext context, and escapes it for safe use in an attribute.
68. get_setting()
Get value based on option. (Use get_option() instead.)
69. add_action()
Hooks a function on to a specific action.
70. have_comments()
Whether there are comments to loop over.
71. is_archive()
Is the query for an existing archive page?
72. wp_list_comments()
List comments.
73. wp_enqueue_style()
Enqueue a CSS stylesheet.
74. set_transient()
Set/update the value of a transient.
75. wp_enqueue_script()
Enqueue a script.
76. get_search_form()
Display search form.
77. get_post_thumbnail_id()
Retrieve post thumbnail ID.
78. get_transient()
Get the value of a transient.
79. the_post_thumbnail()
Display the post thumbnail.
80. get_search_query()
Retrieves the contents of the search WordPress query variable.
81. add_partial()
82. get_the_modified_date()
Retrieve the date on which the post was last modified.
83. get_author_posts_url()
Retrieve the URL to the author page for the user with the ID provided.
84. wp_footer()
Fire the wp_footer action.
85. wp_head()
Fire the wp_head action.
86. get_the_post_thumbnail()
Retrieve the post thumbnail.
87. comment_form()
Outputs a complete commenting form for use within a template.
88. number_format_i18n()
Convert float number to format based on the locale.
89. get_header()
Load header template.
90. the_posts_pagination()
Displays a paginated navigation to next/previous set of posts, when applicable.
91. register_nav_menus()
Registers navigation menu locations for a theme.
92. wp_die()
Kill WordPress execution and display HTML message with error message.
93. wp_reset_postdata()
After looping through a separate query, this function restores the $post global to the current post in the main query.
94. load_theme_textdomain()
Load the theme’s translated strings.
95. get_queried_object_id()
Retrieve ID of the current queried object.
96. esc_url_raw()
Performs esc_url() for database usage.
97. the_archive_title()
Display the archive title based on the queried object.
98. add_image_size()
Register a new image size.
99. get_theme_file_uri()
Retrieves the URL of a file in the theme.
100. get_stylesheet_uri()
Retrieves the URI of current theme stylesheet.