<?php
for ($i=1 ; $i<=10 ;$i++){
printf("%s ", $i);
}
printf("\n");
$i=1;
while($i<=20) {
if ($i%2 == 0) {
printf("%s ", $i);
}
$i++;
}
printf("\n");
$ary = [80,90,70,60];
$total = 0;
foreach($ary as $value){
$total += $value;
}
$average = $total/count($ary);
printf("總和 : %s\n",$total);
printf("平均 : %s\n",$average);
$students = [
'Alice' => [85,92,78],
'Bob' => [70,88,90],
'Cindy' => [95,100,98],
];
// foreach ($student as $name=>$scores){
// $result = [$name => array_sum($scores)/count($scores)];
// };
$results = []; // 這裡用複數，存所有人結果
foreach ($students as $name => $scores) {
$results[$name] = array_sum($scores) / count($scores);
}
print_r($results);
function findMax($arr) {
$max = $arr[0];
for ($i=0 ; $i<count(arr) ; $i++) {
if ($max < $arr[$i]) {
$max = $arr[$i];
}
}
return max;
}
$testarr = [85,92,78];
printf("find max : %s" , findMax($testarr));