Retrieve the plural or single form based on the amount.

Display translated text.

Adds a callback function to an action hook.

Adds post meta data defined in the $_POST superglobal for a post with given ID.

Ensures intent by verifying that a user was referred from another admin page with the correct security nonce.

Checks whether a comment passes internal checks to be allowed to add.

Accepts matches array from preg_replace_callback in wpautop() or a string.

Checks and cleans a URL.

Displays the excerpt of the current comment.

Deletes post meta data by meta ID.