1--TEST-- 2Test ob_implicit_flush() function : check return value (always null). 3--FILE-- 4<?php 5/* Prototype : proto void ob_implicit_flush([int flag]) 6 * Description: Turn implicit flush on/off and is equivalent to calling flush() after every output call 7 * Source code: main/output.c 8 * Alias to functions: 9 */ 10 11echo "*** Testing ob_implicit_flush() : check return value ***\n"; 12 13var_dump(ob_implicit_flush()); 14var_dump(ob_implicit_flush(true)); 15var_dump(ob_implicit_flush(false)); 16 17echo "Done"; 18?> 19--EXPECTF-- 20*** Testing ob_implicit_flush() : check return value *** 21NULL 22NULL 23NULL 24Done 25