Php 搜索多维数组
我有一个数组,看起来像Php 搜索多维数组,php,arrays,Php,Arrays,我有一个数组,看起来像 $arr = array( array('contents' => "any value", 'tags' => '<th>' ), array('contents' => "any value", 'tags' => "<th>" ) . . . ); 我想回显索引内容的值 echo $arr["cont
$arr = array(
array('contents' => "any value",
'tags' => '<th>'
),
array('contents' => "any value",
'tags' => "<th>"
)
.
.
.
);
我想回显索引内容的值
echo $arr["contents"]
要获取所需的值
试试这个
$arr = array(array('contents' => "any value", "tags" => "<th>"),array('contents' => "any value","tags" => "<th>"));
foreach($arr as $arrays){
echo $arrays["contents"];
}
使用此选项,但您应该查看文档以提高对阵列的了解:
$arr = array(
array('contents' => "any value",
'tags' => '<th>'
),
array('contents' => "any value",
'tags' => "<th>"
)
);
foreach ($arr as $token){
echo $token['contents'];
}
对这类事情很有用。它遍历数组的每个元素并应用回调函数:
array_walk($arr, function($x) { if (isset($x['contents'])) echo $x['contents']; });
也许更简单,您可以自己循环元素:
foreach ($arr as $a) {
if (isset($a['contents'])) echo $a['contents'];
}
你想访问哪个值?我只想回显所有值,请帮助。你了解循环了吗?如果没有,那就去做吧。你看过答案了吗?如果你的问题解决了,我建议你接受其中一个。