PHP infinite classification father and son tracing method_PHP tutorial

php infinite classification parent classification and sub-category tracing method, the code snippet is as follows:

Copy to ClipboardQuoted content: [www.bkjia.com] //Return all leaf nodes
public function scanNodeOfTree($result,$fid){
$checkexist = false;
for ($i=0; $iif($fid == $result[$i]['ParentId']){
$checkexist = true;
$arr .= $this->scanNodeOfTree($result,$ result[$i]['ID']).',';
}
}
if(!$checkexist){
return $fid;
}
return $ arr;
}

//Return all superior nodes
public function getNodeOfTree($result,$id,$arr){
if($id == 0){
return $arr;
}
foreach ($result as $items){
if($id == $items['ID']){
$arr[] = array($ items['CateName'],$items['ID']);
$return = $this->getNodeOfTree($result,$items['ParentId'],$arr);
}
}
return $return;
}

http://www.bkjia.com/PHPjc/363936.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/363936.htmlTechArticlephp Traceability method of parent category and subcategory of unlimited categories, the code snippet is as follows: Copy to Clipboard Quoted content: [www.veryhuo.com] //Return all leaf nodes public funct...