摘要: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,'<hr>';
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,'<hr>';
foreach()循环:
$min = 1;
$max = 10;
$data = range($min,$max);
foreach($data as $key=>$value){
echo $key . '=>' . $value . '<br>';
}
echo '<hr>';
foreach($data as $value){
echo $value . '<br>';
}
echo '<hr>';
批改老师:天蓬老师批改时间:2019-03-23 17:52:53
老师总结: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