ob_start();//buf1 echo ‘multiple‘; ob_start();//buf2 echo ‘bufferswork‘; $buf2 = ob_get_contents(); ob_end_clean(); $buf1 = ob_get_contents(); ob_end_clean(); echo $buf1; echo ‘‘; echo $buf2;
ob_get_contents()
原文：http://www.cnblogs.com/alex-13/p/4188610.html
