1--TEST-- 2Test basic functionality of flush() 3--FILE-- 4<?php 5/* 6 * proto void flush(void) 7 * Function is implemented in ext/standard/basic_functions.c. 8 */ 9 10// Verify return type 11var_dump(flush()); 12 13// Ensure user buffers are not flushed by flush() 14ob_start(); 15echo "Inside a user buffer\n"; 16flush(); 17ob_end_clean(); 18 19echo "Outside of any user buffers\n"; 20var_dump(flush()); 21 22?> 23--EXPECT-- 24NULL 25Outside of any user buffers 26NULL 27
