dataSum

<?php

function sumShuzi(&$tree, &$updateData = array()) {

$sum = 0;

//foreach($tree as $key => $item) { //尼玛这句话有毒

foreach($tree as $key => &$item) {

if(isset($item['children'])) {

$oldPshuzi = $tree[$key]['Pshuzi'];

$tree[$key]['Pshuzi'] = sumShuzi($item['children'], $updateData);

if($oldPshuzi != $tree[$key]['Pshuzi']) {

$updateData[$item['id']] = array($tree[$key]['Pshuzi'], $tree[$key]['Pname_ch']);

}

}

$sum += $tree[$key]['Pshuzi'];

}

return $sum;

}

$tree = json_decode('[{"id":"1","Pid":"0","Pname_ch":"\u6e20\u9053\u90e8","Pshuzi":"1638000","children":[{"id":"4","Pid":"1","Pname_ch":"\u9500\u552e\u4e8c\u90e8","Pshuzi":"895000","children":[{"id":"13","Pid":"4","Pname_ch":"\u5468\u7ecf\u7406","Pshuzi":"28","children":[{"id":"28","Pid":"13","Pname_ch":"\u6e56\u5357","Pshuzi":"158000"},{"id":"35","Pid":"13","Pname_ch":"\u65b0\u7586","Pshuzi":"19000"}]},{"id":"40","Pid":"4","Pname_ch":"\u9648\u7ecf\u7406","Pshuzi":"5000"}]}]}]', true);

sumShuzi($tree, $updateData);

print_r($tree);

print_r($updateData);

//问题：$tree里的周经理 Pshuzi为啥是28，而不是177000