ob_clean Clean (erase) the output buffer &reftitle.description; boolob_clean This function discards the contents of the output buffer. This function does not destroy the output buffer like ob_end_clean does. The output buffer must be started by ob_start with PHP_OUTPUT_HANDLER_CLEANABLE flag. Otherwise ob_clean will not work. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; &return.success; &reftitle.seealso; ob_flush ob_end_flush ob_end_clean