我需要将一个关联数组键提取到一个字符串中,然后用“/”或任何字符/符号进行内爆.
例如:
$array = array([key1] =>
array([key11] =>
array([key111] => 'value111',
[key112] => 'value112',
[key113] => 'value113',
),
),
);
array([0] => 'key1/key11/key111',[1] => 'key1/key11/key112', [2] => 'key1/key11/key112');
解决方法:
function listArrayRecursive($someArray, &$outputArray, $separator = "/") {
$iterator = new RecursiveIteratorIterator(new RecursiveArrayIterator($someArray), RecursiveIteratorIterator::SELF_FirsT);
foreach ($iterator as $k => $v) {
if (!$iterator->hasChildren()) {
for ($p = array(), $i = 0, $z = $iterator->getDepth(); $i <= $z; $i++) {
$p[] = $iterator->getSubIterator($i)->key();
}
$path = implode($separator, $p);
$outputArray[] = $path;
}
}
}
$outputArray = array();
listArrayRecursive($array, $outputArray);
print_r($outputArray);
输入:
Array
(
[key1] => Array
(
[key11] => Array
(
[key111] => value111
[key112] => value113
[key113] => value113
)
)
)
输出:
Array
(
[0] => key1/key11/key111
[1] => key1/key11/key112
[2] => key1/key11/key113
)
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