php foreach中引用赋值

$temp = [
            [ 'id' => 1, 'name' => 'name1', 'age' => 'age1', 'time' => 'time1' ],
            [ 'id' => 2, 'name' => 'name2', 'age' => 'age2', 'time' => 'time2' ]
        ];

# 清空原数据
$data = $temp;
foreach ($data as &$value){
    $value = [];
}
echo '<pre>';
print_r($data);

# 重置原数据
$data = $temp;
foreach ($data as &$value){
    $value = [
        'hobby' => 1
    ];
}
print_r($data);

# 追加原数据
$data = $temp;
foreach ($data as &$value){
    $value['hobby'] = 1;
}
print_r($data);

本文来自投稿，不代表站三界导航立场，如若转载，请注明出处：https://www.zhansanjie.com/article/details/29176.html