echo round( 3.4); / / 3 echo round(3.5); / / 4 echo round(3.6); / / 4 echo round(3.6, 0); / / 4 echo round(1.95583, 2); / / 1.96 echo round(1241757, -3); / / 1242000
?php $foo = round( 3.4); / / $foo == 3.0 $foo = round (3.5); / / $foo == 4.0 $foo = round (3.6); / / $foo == 4.0?