validate (check vars) (tag)
is_email() | Verifies that an email is valid. |
rest_is_boolean() | Determines if a given value is a boolean or boolean-like. Doesn't look at the type of a given value, and like in PHP, |
validate_file() | Validates a file name and path against an allowed set of rules. |
wp_http_validate_url() | Validate a URL for safe use in the HTTP API. |
wp_validate_redirect() | Validates a URL for use in a redirect. |