:sig void ob_close() :params (none) :desc Discard the current output buffer. If are more output buffers on the stack, switch to the next one. :see >ob :related **PHP:** `ob_start()`, `ob_get_contents()`, `ob_get_clean()`, and related output-buffering APIs **JavaScript / Node.js:** String accumulation, buffer capture, or render-to-string patterns in server code