abstract：<?php$min = 1;$max = 100;$data = range($min,$max);//print_r($data);$count = count($data);$res_a = 0;//for循环for ($i=0; $i<$count; $i++){ $res_a += $data[$i];}echo $res_a,'<hr&
<?php
$min = 1;
$max = 100;
$data = range($min,$max);
//print_r($data);
$count = count($data);
$res_a = 0;
//for循环
for ($i=0; $i<$count; $i++){
$res_a += $data[$i];
}
echo $res_a,'<hr>';
$i=0;
$res_b=0;
//while循环
while($i<$count){
$res_b += $data[$i];
$i++;
}
echo $res_b,'<hr>';
$res_c =0;
//foreach遍历循环
foreach ($data as $value){
$res_c += $value;
}
echo $res_c,'<hr>';
?>
Correcting teacher：天蓬老师Correction time：2019-05-13 09:30:05
Teacher's summary：你也可能用得最多的就是foreach和while了, 其它的做为了解即可.. 其实都可以改造成这二个方式之一的