Using WordPress ‘comment_form()’ PHP function
Outputs a complete commenting form for use within a template.
add_filter
Using WordPress ‘body_class()’ PHP function
Learn how to use the WordPress 'body_class()' PHP function to add unique CSS classes to various parts of your website using conditional statements in this informative article
Using WordPress ‘comments_open()’ PHP function
Determines whether the current post is open for comments.
Using WordPress ‘comments_number()’ PHP function
Displays the language string for the number of comments the current post has.
Using WordPress ‘convert_smilies()’ PHP function
The `convert_smilies()` function in WordPress converts text equivalents of smilies into their corresponding images
Using WordPress ‘current_user_can()’ PHP function
Returns whether the current user has the specified capability.
Using WordPress ‘core_update_footer()’ PHP function
The `core_update_footer()` function displays a message in the WordPress admin footer about the core update status of the installation
Using WordPress ‘filter_default_metadata()’ PHP function
Filters into default_{§object_type}_metadata and adds in default value.
Using WordPress ‘esc_url()’ PHP function
The `esc_url()` function in WordPress is used to sanitize URLs by removing certain characters and replacing ampersands with the appropriate entity