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Core PHP Functions

Functions Reference

4125+ PHP functions available in the WordPress global namespace. Complete documentation with parameters, return values, and usage examples.

Showing 4101 to 4125 of 4125 functions (Page 83 of 83)
the_author_posts_link()

Displays an HTML link to the author page of the current post's author.

$deprecated
get_author_posts_url()

Retrieves the URL to the author page for the user with the ID provided.

$author_id $author_nicename
wp_list_authors()

Lists all the authors of the site, with several options available.

$args
is_multi_author()

Determines whether this site has more than one author.

__clear_multi_author_cache()

Helper function to clear the cache for number of authors.

login_header()

Outputs the login page header.

$title $message $wp_error
login_footer()

Outputs the footer for the login page.

$input_id
wp_shake_js()

Outputs the JavaScript to handle the form shaking on the login page.

wp_login_viewport_meta()

Outputs the viewport meta tag for the login page.

do_signup_header()

Prints signup_header via wp_head.

wpmu_signup_stylesheet()

Prints styles for front-end Multisite Sign-up pages.

show_blog_form()

Generates and displays the Sign-up and Create Site forms.

$blogname $blog_title $errors
validate_blog_form()

Validates the new site sign-up.

show_user_form()

Displays the fields for the new user account registration form.

$user_name $user_email $errors
validate_user_form()

Validates user sign-up name and email.

signup_another_blog()

Shows a form for returning users to sign up for another site.

$blogname $blog_title $errors
validate_another_blog_signup()

Validates a new site sign-up for an existing user.

confirm_another_blog_signup()

Shows a message confirming that the new site has been created.

$domain $path $blog_title +4 more
signup_user()

Shows a form for a visitor to sign up for a new user account.

$user_name $user_email $errors
validate_user_signup()

Validates the new user sign-up.

confirm_user_signup()

Shows a message confirming that the new user has been registered and is awaiting activation.

$user_name $user_email
signup_blog()

Shows a form for a user or visitor to sign up for a new site.

$user_name $user_email $blogname +2 more
validate_blog_signup()

Validates new site signup.

confirm_blog_signup()

Shows a message confirming that the new site has been registered and is awaiting activation.

$domain $path $blog_title +3 more
signup_get_available_languages()

Retrieves languages available during the site/user sign-up process.