Sets the authentication cookies based on user ID.
wp_generate_auth_cookie
Generates authentication cookie contents.
auth_cookie
Filters the authentication cookie.
wp_validate_auth_cookie
Validates authentication cookie.
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wp_logout
Log the current user out.
wp_login_failed
Fires after a user login has failed.
wp_authenticate
Authenticate a user, confirming the login credentials are valid.
get_user_by_email
Retrieve user info by email.
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add_option_{$option}
Fires after a specific option has been added.
upload_size_limit
Filters the maximum upload size allowed in php.ini.
wp_max_upload_size
Determines the maximum upload size allowed in php.ini.
get_attachment_taxonomies
Retrieves taxonomies attached to given the attachment.
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next_image_link
Displays next image link that has the same post parent.
adjacent_image_link
Displays next or previous image link that has the same post parent.
previous_image_link
Displays previous image link that has the same post parent.