abstract：for循环: $min = 1; $max = 10; $data = range($min,$max); $res = 0; $count = count($data); for ($i=0; $i<$count; $i++){ &nbs
for循环: $min = 1; $max = 10; $data = range($min,$max); $res = 0; $count = count($data); for ($i=0; $i<$count; $i++){ $res += $data[$i]; } echo $res,'
'; while循环: $data = [1,2,3,4,5,6,7,8,9,10]; $res = 0; $i = 0; while($i<9){ $i++; $res += $data[$i]; } echo $res,'
'; foreach()循环: $min = 1; $max = 10; $data = range($min,$max); foreach($data as $key=>$value){ echo $key . '=>' . $value . '
'; } echo '
'; foreach($data as $value){ echo $value . '
'; } echo '
';
Correcting teacher：天蓬老师Correction time：2019-03-23 17:52:53
Teacher's summary：计算机比人相比, 最大不同在于, 喜欢,并且不知累的做重复的工作, 所以, 循环是最常用的操作之一, 但是要注意,要有循环终止条件
