Determines if a given value is integer-like.

Determines if an IP address is valid.

Determines if a given value is object-like.

Sends a Link header for the REST API.

Outputs the REST API link tag into page header.

Adds the REST API URL to the WP RSD endpoint.

Parses an RFC3339 time into a Unix timestamp.

Parses the “_embed” parameter into the list of resources to embed.

Parses a 3 or 6 digit hex color (with #).

Parse a request argument based on details registered to the route.