在PHP中创建包含数据(字符串类型)的列表

// 使用array()函数创建索引数组
$fruits = array("apple", "banana", "cherry");

$fruits = ["apple", "banana", "cherry"];

// 使用array()函数创建关联数组
$students = array(
    "John" => "Doe",
    "Jane" => "Smith",
    "Mike" => "Johnson"
);

$students = [
    "John" => "Doe",
    "Jane" => "Smith",
    "Mike" => "Johnson"
];

echo $fruits[0]; // 输出: apple
echo $students["John"]; // 输出: Doe

for ($i = 0; $i < count($fruits); $i++) {
    echo $fruits[$i] . "<br>";
}

foreach ($fruits as $fruit) {
    echo $fruit . "<br>";
}

foreach ($students as $key => $value) {
    echo $key . ": " . $value . "<br>";
}