php数组合并示例代码

<?php
//合并itemsearch的结果 
    private function mergeList(&$arr) 
    { 
        $data = array(); 
        $n = &$arr; 
        foreach ($n as $key => $value) { 
            if(!$value) continue; 
            array_push($data,$this->getItem($value,$n)); 
        } 
        return array_filter($data); 
    } 
    private function getItem(&$item,&$arr){ 
        foreach ($arr as $key => $value) { 
            if(!$value) { 
                continue; 
            }; 
            if($item["itemTypeName"] == $value["itemTypeName"] 
            && $item["weight"] == $value["weight"] 
            && $item["type"] == $value["type"]){ 
                if($item["itemTypeId"] == $value["itemTypeId"] 
                    && $item["warehouseId"] == $value["warehouseId"]){ 
                    continue;    
                }else{ 
                    $item["stockIn"] += $value["stockIn"]; 
                    $item["remain"] += $value["remain"]; 
                    $item["stockOut"] += $value["stockOut"]; 
                    $item["stockIn"] = sprintf("%.4f",$item["stockIn"]); 
                    $item["remain"] = sprintf("%.4f",$item["remain"]); 
                    $item["stockOut"] = sprintf("%.4f",$item["stockOut"]); 
                    $arr[$key] = ""; 
                } 
            } 
        } 
        return $item; 
    }