[英]How to get all the key in multi-dimensional array in php
Array
(
[0] => Array
(
[name] => A
[id] => 1
[phone] => 416-23-55
[Base] => Array
(
[city] => toronto
)
[EBase] => Array
(
[city] => North York
)
[Qty] => 1
)
(
[1] => Array
(
[name] => A
[id] => 1
[phone] => 416-53-66
[Base] => Array
(
[city] => qing
)
[EBase] => Array
(
[city] => chong
)
[Qty] => 2
)
)
如何獲取格式為“ 0,姓名,ID,電話,基本,城市,Ebase,數量”的所有鍵值?
謝謝!
嘗試這個
function array_keys_multi(array $array)
{
$keys = array();
foreach ($array as $key => $value) {
$keys[] = $key;
if (is_array($value)) {
$keys = array_merge($keys, array_keys_multi($value));
}
}
return $keys;
}
如果您不知道數組的大小,請使用帶有foreach循環的遞歸函數,如果每個$ val是一個數組,則該循環會調用自身。 如果您知道大小,則只需遍歷每個維度並記錄每個維度的鍵。
像這樣:
<?php
function getKeysMultidimensional(array $array)
{
$keys = array();
foreach($array as $key => $value)
{
$keys[] = $key;
if( is_array($value) ) {
$keys = array_merge($keys, getKeysMultidimensional($value));
}
}
return $keys;
}
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