wp-includes/rest-api.php:1495Parse a request argument based on details registered to the route.
$valuemixed$requestWP_REST_Request$paramstringmixedfunction rest_parse_request_arg( $value, $request, $param ) { $is_valid = rest_validate_request_arg( $value, $request, $param ); if ( is_wp_error( $is_valid ) ) { return $is_valid; } $value = rest_sanitize_request_arg( $value, $request, $param ); return $value;}Introduced in 4.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.