我有类别表:
Category table:
cat_id cat_pid cat_name
1 0 Women's Fashion
2 1 Women Accessories
3 2 Wallets & Cardholders
4 3 Cases
我有父级别类别ID,即“女性时尚(cat_id = 1)”和叶级别类别ID,即“案例(cat_id = 4)”
我想找到4到1之间的所有类别。
这样的数组:
Array(
[0]=>2
[1]=>3
)
答案 0 :(得分:1)
我不知道你是使用mysqli还是PDO所以我在基础知识上写了代码......
<?php
$cats = [];
function find_parent($parent_id){
global $cats;
if ($parent_id > 0){
$q = mysql_query('SELECT cat_pid FROM Category WHERE cat_id = ' . $parent_id);
$r = mysql_result($q, 0, 'cat_pid');
if ($r > 0){
$cats[] = $parent_id;
find_parent($r);
}
}
}
find_parent(4);
array_shift($cats); //it adds first record too and i think you don't want so removing it here...
print_r($cats);