--TEST-- Test ob_flush() function : error conditions --FILE-- <?php /* Prototype : proto bool ob_flush(void) * Description: Flush (send) contents of the output buffer. The last buffer content is sent to next buffer * Source code: main/output.c * Alias to functions: */ echo "*** Testing ob_flush() : error conditions ***\n"; // One argument echo "\n-- Testing ob_flush() function with one argument --\n"; $extra_arg = 10;; var_dump( ob_flush($extra_arg) ); echo "Done"; ?> --EXPECTF-- *** Testing ob_flush() : error conditions *** -- Testing ob_flush() function with one argument -- Warning: ob_flush() expects exactly 0 parameters, 1 given in %s on line 13 NULL Done