parse (tag)

wp_parse_id_list()

Processes/cleans an array of numbers (IDs) or a string where numbers are separated by commas or spaces. Will return an array of numbers.

wp_parse_list()

Breaks a string into an array of values separated by the characters ,   \t \n: comma, space, tab, newline.

wp_parse_slug_list()

Creates an array of tags from a string of words separated by commas, spaces. The values of the array are cleaned using sanitize_title().