问题描述
|
当我print_r($ a);输出是这样的:
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
)
)
)
数组键可能会增加。现在,我要输出数组的所有name\'
s值。
当我使用以下代码时。它告诉我一个错误。
foreach($a as $a->name){
echo a->name;
}
解决方法
做这个:
foreach($a as $object){
echo $object->name;
}
然后阅读:http://php.net/manual/en/control-structures.foreach.php
正在做:
foreach ($array as $key => $value) {
echo \"Array key: $key Value: $value\";
}
将打印出数组中的每个值和键的名称。
,尝试这个:
foreach($a as $value){
echo $value->name;
}
,使用->用于对象; =>适用于数组
foreach($a as $key => $value){
echo $key . \" \" . $value;
}
,数组包含许多对象,但是foreach
循环的工作方式与普通变量完全相同。正确的语法是
foreach ($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);
}
,这是答案:
foreach($a as $value)
echo $value[\'name\'];