当我 print_r($a); 时输出如下:
Array
(
[0] => stdClass Object
(
[tid] => 3
[vid] => 1
[name] => cPanel
[description] =>
[format] =>
[weight] => 0
[depth] => 0
[parents] => Array
(
[0] => 0
)
)
[1] => stdClass Object
(
[tid] => 4
[vid] => 1
[name] => whm
[description] =>
[format] =>
[weight] => 0
[depth] => 0
[parents] => Array
(
[0] => 0
)
)
[2] => stdClass Object
(
[tid] => 5
[vid] => 1
[name] => test
[description] =>
[format] =>
[weight] => 0
[depth] => 0
[parents] => Array
(
[0] => 0
)
)
)
数组键可能会递增。现在,我想输出数组的所有
name'
s 值。
当我使用以下代码时。它向我显示了一个错误。
foreach($a as $a->name){
echo a->name;
}
试试这个:
foreach($a as $value){
echo $value->name;
}
这样做:
foreach($a as $object){
echo $object->name;
}
然后阅读以下内容:http://php.net/manual/en/control-structs.foreach.php
正在做:
foreach ($array as $key => $value) {
echo "Array key: $key Value: $value";
}
将打印出数组中的每个值和键的名称。
使用->用于对象; => 用于数组
foreach($a as $key => $value){
echo $key . " " . $value;
}
数组包含许多对象,但
foreach
循环的工作方式与普通变量完全相同。正确的语法是
foreach ($a as $object)
echo $object->name;
典型的
foreach
语法使用 key => value
对。
foreach ($a as $key => $value)
{
var_dump($value);
}
这就是答案:
foreach($a as $value) echo $value['name'];