php无限分类单表实现思路
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2022-04-27 12:00:37
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1, "pid" => 0, "name" => "蛋糕"), array("id" => 2, "pid" => 0, "name" => "饼干"), array("id" => 3, "pid" => 0, "name" => "点心"), array("id" => 4, "pid" => 0, "name" => "茶饮"), array("id" => 5, "pid" => 0, "name" => "其它"), array("id" => 6, "pid" => 1, "name" => "甜蛋糕"), array("id" => 7, "pid" => 2, "name" => "原味饼干"), array("id" => 8, "pid" => 3, "name" => "甜点心"), array("id" => 9, "pid" => 5, "name" => "其它美食"), array("id" => 10, "pid" => 4, "name" => "养颜冷饮"), array("id" => 11, "pid" => 6, "name" => "甜心小米蛋糕"), array("id" => 12, "pid" => 7, "name" => "原味动物饼干"), array("id" => 13, "pid" => 9, "name" => "其它精美小食品"), array("id" => 14, "pid" => 8, "name" => "甜味德国小点心"), array("id" => 15, "pid" => 10, "name" => "超冷啊啊啊"), array("id" => 16, "pid" => 1, "name" => "提拉米苏是蛋糕吗"), array("id" => 17, "pid" => 1, "name" => "也许提拉米苏不是"), array("id" => 18, "pid" => 8, "name" => "德国小点心子类"), array("id" => 19, "pid" => 8, "name" => "德国小点心子类2"), ); $runTime = 0; function T($data, $keys=array(0), $tmp = array()) { global $runTime; if(!empty($data)) { foreach($data as $k => $d) { $pid = $d['pid']; $id = $d['id']; $name = $d['name']; if(in_array($pid, $keys)) { $t = array("name" => $name); T($data, array($id), &$t); $tmp["id:$id"] = $t; unset($data[$k]); } } } $runTime++; } $tmp = array(); $t = T($data, array(0), &$tmp); print_r($tmp); $num = count($data); echo "\n------总纪录数为:< $num > 复杂度为:< $runTime > ------\n";