参见英文答案 > Loop through a two-dimensional array 5个
我需要为给定主题打印以下数组中的学生姓名和标记:
$marks = [
"john" => ["physics" => 30, "maths" => 55, "chemistry" => 66],
"jack" => ["physics" => 44, "maths" => 19, "chemistry" => 87],
"mark" => ["physics" => 77, "maths" => 66, "chemistry" => 67],
];
我明白,如果我回复$marks [‘john’] [‘chemistry’];它将打印学生/科目的标记,但是我应该如何接近foreach循环以显示所有学生及其化学成绩?
解决方法:
foreach ($array as $key=>$item){...}
foreach ($marks as $name=>$scores){
echo $name .":". $scores["chemistry"];
}
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