1
我有存储在它的所有类别的数组:PHP函数返回NULL,而不是字符串
$allCatArray = array(
['departments/outdoor/123123/'] => stdClass Object
(
[i] => 1
[id] => 'departments/outdoor/123123/'
[pid] => 'departments/outdoor/'
[name] => 'Child Category Name'
)
['departments/outdoor/'] => stdClass Object
(
[i] => 1
[id] => 'departments/outdoor/'
[pid] => '0'
[name] => 'Main Category Name'
)
我需要检测的最高类别中的层次结构,当我在较低层次类别ID。所以我有这样的功能:
function findMainCategoryFromAllCatArray($initial_category, $allCatArray) {
$pid = trim($allCatArray[$initial_category]->pid);
if($pid != "0") {
findMainCategoryFromAllCatArray($pid, $allCatArray);
}
elseif($pid == "0") {
var_dump($allCatArray[$initial_category]->name); // this var dump returns normal value
return $allCatArray[$initial_category]->name;
}
else {
return false;
}
}
尝试使用此功能时,我越来越麻烦:
$category_name = findMainCategoryFromAllCatArray('departments/outdoor/123123/', $allCatArray);
var_dump($category_name); // returns NULL instead of "Main Category Name"
任何想法?
不必返回主U类获得from findMainCategoryFromAllCatArray($ pid,$ allCatArray); – coder