我會嘗試清理一下,但這有效：

$needle = ["chapter one", 'foo', 'bar'];

$array = [

[

"name" => "Intro",

"id" => "123",

"children" => [

"name" => "foo",

"id" => "234",

"children" => [

"name" => "mur",

"id" => "445",

]

]

],[

"name" => "chapter one",

"id" => "9876",

"children" => [

"name" => "foo",

"id" => "712",

"children" => [

"name" => "bar",

"id" => "888",

]

]

]

];

function searchTree($needle, $haystack, $strict=false) {

if(!is_array($haystack)) {

return false;

}

$match = false;

if(array_keys($haystack) !== range(0, count($haystack) - 1) && !empty($needle)) {

if(($strict && $haystack['name'] === $needle[0]) || (!$strict && $haystack['name'] == $needle[0])) {

$match = true;

array_shift($needle);

if (!empty($needle)) {

return searchTree($needle, $haystack['children'], $strict);

}

}

} else {

foreach ($haystack as $key => $value) {

if (is_array($value) && !empty($needle)) {

if (($strict && $value['name'] === $needle[0]) || (!$strict && $value['name'] == $needle[0])) {

$match = true;

array_shift($needle);

if (!empty($needle)) {

return searchTree($needle, $value['children'], $strict);

} else {

$haystack = $haystack[$key];

}

}

}

}

}

return (isset($haystack['id']) && $match) ? $haystack['id'] : false;

}

echo searchTree($needle, $array);

輸出：

888

總結

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