1--TEST-- 2Test basic functionality of flush() 3--FILE-- 4<?php 5/* 6 * Function is implemented in ext/standard/basic_functions.c. 7 */ 8 9// Verify return type 10var_dump(flush()); 11 12// Ensure user buffers are not flushed by flush() 13ob_start(); 14echo "Inside a user buffer\n"; 15flush(); 16ob_end_clean(); 17 18echo "Outside of any user buffers\n"; 19var_dump(flush()); 20 21?> 22--EXPECT-- 23NULL 24Outside of any user buffers 25NULL 26
