WP_HTTP_Polling_Sync_Server::validate_request( WP_REST_Request $request ): true|WP_Error

Validates that the request body does not exceed the maximum allowed size.

Description

Runs as the route-level validate_callback, after per-arg schema validation has already passed.

true|WP_Error True if valid, WP_Error if the body is too large.

Version	Description
7.0.0	Introduced.

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