preg_replace_callback 问题

$zheng="1";//重复的整合一起($wupin_rs或$wupin_add)$jia="0";//相加($wupin_rs,$wupin_add)$jian="0";//相减($wupin_rs,$wupin_add)$shanchu="0";//把数量为0的删除($wupin_rs)$suan="0";//算总价($wupin_rs)$wupin_rs="";//原有的$wupin_add="";//新添加/删除的//A类别0::::::品名1::::::品牌厂商2::::::规格3::::::单价4::::::单位5::::::数量6::::::总价7::::::重量8$wupin_rs="A类别0::::::品名1::::::品牌厂商2::::::规格3::::::1::::::单位5::::::10::::::0::::::100||||||A类别0::::::品名1::::::品牌厂商2::::::规格3::::::1::::::单位5::::::20::::::0::::::200||||||A类别0::::::品名1::::::品牌厂商2::::::规格3::::::1::::::单位5::::::30::::::0::::::200";if($wupin_rs&&$zheng==1){	$category="";	$morefr=explode('||||||',$wupin_rs);	$mfcount=count($morefr);	for($mfi=0;$mfi<$mfcount;$mfi++)	{		$morefrf=explode('::::::',$morefr[$mfi]);		$category_tem=$morefr[$mfi];		$so=$morefrf[0].'::::::'.$morefrf[1].'::::::'.$morefrf[2].'::::::'.$morefrf[3].'::::::'.$morefrf[4].'::::::'.$morefrf[5].'::::::';		if($category==""){$category=$category_tem;}//第一次		elseif(stripos($category,$so)>-1&&wupin_run_check($so)===false)//物品“类别”不显示重复类别（每种只显示一次）,判断是否含有		{ 				//改数量				$category= preg_replace_callback("/(?<=$so)\d+/is",				  function ($matches) use($morefrf)				  { 					return (int)$matches[0]+(int)$morefrf[6];				  }				,$category,1);//只替换一次						 }		else //如果已有重复，就只统计数量		{			$category=$category."||||||".$category_tem;//如果没有重复就加		}	}	$wupin_rs=$category;}echo $wupin_rs;//物品处理时判断非法字符  function wupin_run_check($zhi)   {    	if(preg_match("/[*?#=]|\/|\[|\]|\\\|\"|\|/",$zhi)) 	{		return true; 	 }	else	{    		return false;  	} }

$wupin_rs="A类别0::::::品名1::::::品牌厂商2::::::规格3::::::1::::::单位5::::::10::::::0::::::100||||||A类别0::::::品名1::::::品牌厂商2::::::规格3::::::1::::::单位5::::::20::::::0::::::200||||||A类别0::::::品名1::::::品牌厂商2::::::规格3::::::1::::::单位5::::::30::::::0::::::200";$pattern = '/(?=^|\|)\|*([^:]+)::::::([^:]+)::::::([^|:]+)::::::([^:]+)::::::([^:]+)::::::([^:]+)::::::([^:]+)::::::([^:]+)::::::([^|]+)/';$res = array();preg_replace_callback($pattern, function($m) use (&$res) {  $k = join('::::::', array_slice($m, 1, 6));  $res[$k]['标识'] = $k;  @$res[$k]['数量'] += $m[7];  @$res[$k]['总价'] += $m[5] * $m[7];  @$res[$k]['重量'] += $m[9];  }, $wupin_rs);echo join('||||||', array_map(function($t) { return join('::::::', $t); }, $res));

A类别0::::::品名1::::::品牌厂商2::::::规格3::::::1::::::单位5::::::60::::::60::::::500