php二维数组去重 方法一：降维去重         if (!$ispidarrkey) { //降维去重 $temp = array(); foreach ($tmp as $k => $v) { $v = implode(',', $v); $temp[] = $v; } $temp = array_unique($temp); foreach ($temp as $k => $v) { $temp[$k] = explode(,, $v); } $tmp = $temp; }
方法二：借助第三个数组去重
$idstmp = array(); $com = new cachecombusiness(); foreach ($proinfo as $key => $value) { foreach ($cominfo as $k => $v) { if ($value['cid'] == $k) { // $value['cid'] = 24; $combusinfo = $com->getmore(array($value['cid'])); if (!empty($combusinfo)) { $value['qq'] = $combusinfo[0]['contactarr']['qq']; } if (in_array($value['pid'], $idstmp)) { continue; } $idstmp[] = $value['pid']; if ($ispidarrkey) { $tmp[$key] = array_merge($value, $v); } else { $tmp[] = array_merge($value, $v); } } } }
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