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<?php |
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namespace tinymeng\tools; |
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/** |
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* Name: Tool.php. |
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* Author: JiaMeng <[email protected]> |
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* Date: 2018/8/17 14:20 |
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* Description: Tool.php. |
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*/ |
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class ArrayTool{ |
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/** |
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* @param $arr |
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* @param $keys |
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* @param $type |
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* @return array |
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*/ |
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static public function arraySort($arr,$keys,$type='asc'){ |
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$keysValue = $newArray = array(); |
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foreach ($arr as $k=>$v){ |
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if(isset($v[$keys])){ |
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$keysValue[$k] = $v[$keys]; |
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} |
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} |
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if($type == 'asc'){ |
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asort($keysValue); |
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}else{ |
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arsort($keysValue); |
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} |
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reset($keysValue); |
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foreach ($keysValue as $k=>$v){ |
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$newArray[$k] = $arr[$k]; |
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} |
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return array_values($newArray); |
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} |
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/** |
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* Description: 获取菜单树结构（递归-性能低） |
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* Author: JiaMeng <[email protected]> |
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* Updater: |
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* @param array $list 数据list |
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* @param string $filed 主键字段 |
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* @param string $parentFiled 父节点字段 |
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* @param int $parentId 父id值 |
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* @param string $childrenName child |
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* @return array |
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*/ |
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public static function getTreeStructureRecursion(array $list,string $filed='id',string $parentFiled='pid',int $parentId=0,string $childrenName = 'child') |
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{ |
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$result = array(); |
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if(!empty($list)){ |
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foreach($list as $val){ |
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if($val[$parentFiled] == $parentId){ |
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$val[$childrenName] = self::getTreeStructureRecursion($list,$filed,$parentFiled,$val[$filed]); |
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if(empty($val[$childrenName])){ |
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unset($val[$childrenName]); |
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} |
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$result[] = $val; |
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} |
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} |
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} |
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return $result; |
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} |
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/** |
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* Description: 获取菜单树结构（性能高） |
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* Author: JiaMeng <[email protected]> |
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* Updater: |
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* @param array $list 数据list |
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* @param string $filed 主键字段 |
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* @param string $parentFiled 父节点字段 |
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* @param string $childrenName child |
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* @return array |
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*/ |
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public static function getTreeStructure(array $list,string $filed = 'id', string $parentFiled = 'pid', string $childrenName = 'child') |
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{ |
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$result = array(); |
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foreach ($list as $value) { |
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$result[$value[$filed]] = $value; |
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} |
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static $tree = array(); //格式化好的树 |
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foreach ($result as $item) { |
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if (isset($result[$item[$parentFiled]])) { |
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$result[$item[$parentFiled]][$childrenName][] = &$result[$item[$filed]]; |
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} else { |
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$tree[] = &$result[$item[$filed]]; |
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} |
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} |
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return $tree; |
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} |
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/** |
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* Description: 对象到数组转换 |
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* Author: JiaMeng <[email protected]> |
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* Updater: |
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* @param $obj |
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* @return array |
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*/ |
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public static function objectToArray($obj){ |
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if(!is_object($obj) && !is_array($obj)) { |
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return $obj; |
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} |
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$arr = array(); |
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foreach($obj as $k => $v){ |
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$arr[$k] = self::objectToArray($v); |
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} |
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return $arr; |
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} |
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/** |
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* 空数组转为object |
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* 给安卓出接口时部分要求[]返回{}(数组返回字典类型) |
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* @Author: TinyMeng <[email protected]> |
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* @param $data |
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*/ |
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public static function nullArrayToObject(&$data){ |
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foreach ($data as $key=>&$val){ |
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if(is_array($val)){ |
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if(empty($val)){ |
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settype($val,'object'); |
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}else{ |
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self::nullArrayToObject($val); |
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} |
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} |
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} |
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} |
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} |
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majiameng /
tools
