<?php
$month_temp = "78, 60, 62, 68, 71, 68, 73, 85, 66, 64, 76, 63, 81, 76, 73,
68, 72, 73, 75, 65, 74, 63, 67, 65, 64, 68, 73, 75, 79, 73";
$temp_array = explode(',', $month_temp);
$tot_temp = 0;
$temp_array_length = count($temp_array);
foreach($temp_array as $temp)
{
$tot_temp += $temp;
}
$avg_high_temp = $tot_temp/$temp_array_length;
echo "平均温度为: ".$avg_high_temp."
";
sort($temp_array);
echo " 五个最低温度:";
for ($i=0; $i< 5; $i++)
{
echo $temp_array[$i].", ";
}
echo "五个最高温度:";
for ($i=($temp_array_length-5); $i< ($temp_array_length); $i++)
{
echo $temp_array[$i].", ";
}
结果:
<?php
$month_temp
= "78, 60, 62, 68, 71, 68, 73, 85, 66, 64, 76, 63, 81, 76, 73,
68, 72, 73, 75, 65, 74, 63, 67, 65, 64, 68, 73, 75, 79, 73";
$temp_array
=
explode
(
','
,
$month_temp
);
$tot_temp
= 0;
$temp_array_length
=
count
(
$temp_array
);
foreach
(
$temp_array
as
$temp
)
{
$tot_temp
+=
$temp
;
}
$avg_high_temp
=
$tot_temp
/
$temp_array_length
;
echo
"平均温度为: "
.
$avg_high_temp
."
";
sort(
$temp_array
);
echo
" 五个最低温度:"
;
for
(
$i
=0;
$i
< 5;
$i
++)
{
echo
$temp_array
[
$i
].
", "
;
}
echo
"五个最高温度:"
;
for
(
$i
=(
$temp_array_length
-5);
$i
< (
$temp_array_length
);
$i
++)
{
echo
$temp_array
[
$i
].
", "
;
}