北漂的女孩

<?php

$tags = '[{"TagId":"5297739878417567745","TagName":"器械","Icon":"","TagPid":"0","TagPath":"\/","Selected":0,"Child":[{"TagId":"5297739991856713729",
"TagName":"瑜伽球","Icon":"","TagPid":"5297739878417567745","TagPath":"\/5297739878417567745","Selected":1,"Child":[]},{"TagId":"5297739939595685889",
"TagName":"哑铃","Icon":"","TagPid":"5297739878417567745","TagPath":"\/5297739878417567745","Selected":1,"Child":[]}]},
{"TagId":"5285677198231998465","TagName":"课件类型标签","Icon":"","TagPid":"0","TagPath":"\/","Selected":0,
"Child":[{"TagId":"5285678117011066881","TagName":"训练目的","Icon":"","TagPid":"5285677198231998465","TagPath":"\/5285677198231998465",
"Selected":0,"Child":[{"TagId":"5304964691385126913","TagName":"强化躯干力量和核心力量","Icon":"","TagPid":"5285678117011066881",
"TagPath":"\/5285677198231998465\/5285678117011066881","Selected":1,"Child":[]}]}]}]';

/**
 * 根据config算法匹配标签
 * depth : 匹配节点所在深度。
 * matchMethod : 匹配方式。
 * name : 匹配字符
 * show : 是否展示全路径，check :只显示选中一个节点，checkAll：显示所有路径上的节点（从depth 深度 节点开始）
 */
 * 'app_tags'=>[
    'queue' => [['depth'=>1,'matchMethod' => 'part','name'=>'队列','show'=>'checkAll']],
    'target' => [['depth'=>1,'matchMethod' => 'part','name'=>'训练目的','show'=>'check']],
    'instrument' => [['depth'=>0,'matchMethod' => 'part','name'=>'器械','show'=>'checkAll']],
    'showTag' => [
            ['depth'=>1,'matchMethod' => 'part','name'=>'心率','show'=>'checkAll'],
            ['depth'=>1,'matchMethod' => 'part','name'=>'消耗','show'=>'checkAll'],
            ['depth'=>1,'matchMethod' => 'part','name'=>'适用水平','show'=>'checkAll'],
            ['depth'=>1,'matchMethod' => 'part','name'=>'强度','show'=>'checkAll'],
            ['depth'=>1,'matchMethod' => 'part','name'=>'类别','show'=>'checkAll'],
        ],
],
 * @param [type] $tags
 * @return void
 * @Author lianghuiju@aocyun.com
 * @DateTime 2022-01-12
 */
public static function matchTags($tags,$matchKey = 'app_tags', $join = true, $joinStr = '、')
{   
    $result = [];
    $algorithm = config($matchKey) ?? [];
    if($algorithm){
        foreach($algorithm as $key => $al){
            $result[$key] = [];
            $ret = [];
            $match = false;
            $depth = 0;
            $ret = self::recursion_tags($tags,$al,$depth,$ret,$match);
            if($join && is_array($ret)){
                foreach($ret as $a=>$r){
                    $ret[$a] = implode($joinStr,$r); 
                }
            }
            if(is_array($ret)) $ret = array_values($ret);
            $result[$key] = $ret;
        }
    }
    return $result;
}
/**
 * 递归调用
 *
 * @param [type] $tags
 * @param [type] $algorithm
 * @param [type] $depth
 * @param [type] $result
 * @param boolean $match
 * @return void
 * @Author  lianghuiju@aocyun.com
 * @DateTime 2022-01-12
 */
public static function recursion_tags($tags, $algorithm, $depth, $result, $match = false, $matchName = false)
{
    foreach($tags as $k => $tag){
        $ret = false;
        $matchMethod = '';
        $name = '';
        $show = '';
        $dep = '';
        $mName = $matchName;
        $algo = $algorithm;

        foreach($algorithm as $k=>$al){
            $matchMethod = $al['matchMethod'];
            $name = $al['name'];
            $show = $al['show'];
            $dep = $al['depth'];
            if( $depth == $dep){
                if($matchMethod == 'part'){
                    $ret = strstr($tag['TagName'],$name) === false ? false : true;
                }else if($matchMethod == 'all'){
                    $ret = strcmp($tag['TagName'],$name) === 0 ? true : false;
                }
            }
            if($ret) {
                $match = true;
                $algo = [$al];
                $mName = $k;
                break;
            }
        }

        if(  $match && $mName !== false && ( ($show == 'check' && $tag['Selected']) 
            || ($show == 'checkAll') ) )
            $result[$mName][] = $tag['TagName'];
        
        
        if( !empty($tag['Child']) ){
            $result = self::recursion_tags($tag['Child'], $algo, $depth + 1, $result, $match, $mName);
        }
    }
    return $result;
}