数组 去重 统计问题 有点难度的计算方法
如图 有一个数组 需要去重 重组数组的格式 在线讨论
回复讨论(解决方案)
贴出由 var_export 输出的示例数组,没有讨论的基础是讨论不起来的
其实很简单,你只要按聚类键聚类就可以了
贴出由 var_export 输出的示例数组,没有讨论的基础是讨论不起来的
其实很简单,你只要按聚类键聚类就可以了
这是现在的得到数组
希望 得到下面的格式
请问版主 这种怎么去 格式化
为什么要截图呢?难道要我一个个的去打字?
有什么要求?如果只要单纯实现的话,不可以用循环吗?
<meta charset="utf-8"><?php $arra = array( 0 => array( 'id' => 0, 'send_mobile'=> '13267310236', 'c_content'=>'天气很热注意防暑' ), 1 => array( 'id' => 1, 'send_mobile'=> '13267310285', 'c_content'=>'天气很热注意防暑' ), 2 => array( 'id' => 2, 'send_mobile'=> '13267310126', 'c_content'=>'天气很热注意防暑' ), 3 => array( 'id' => 3, 'send_mobile'=> '13267310166', 'c_content'=>'天气防暑' ) ); $arrb = array(); foreach ($arra as $v){ $b = $v['c_content']; if(isset($arrb[$b])) $arrb[$b]['send_mobile'] .= ','.$v['send_mobile']; $arrb[$b] = isset($arrb[$b])?$arrb[$b]:$v; } $arrb = array_values($arrb); print_r($arrb);?>
看你那个是用c_id做区分的吧,那就直接用cid做key, $arr[$cid][] = $val
提示你一下 中文可以作为数组键
foreach ($arra as $k=>$v) { $res [$v[c_content]] = $v; }
一句话ok
新建个数组b,遍历原数组a,如果遍历项中的c_content没有作为键名出现在b中,则插入一个b[c_content];否则把遍历到的send_mobile加进去,最后再把b数组整个重新键值排序一下。
<meta charset="utf-8"><?php $arra = array( 0 => array( 'id' => 0, 'send_mobile'=> '13267310236', 'c_content'=>'天气很热注意防暑' ), 1 => array( 'id' => 1, 'send_mobile'=> '13267310285', 'c_content'=>'天气很热注意防暑' ), 2 => array( 'id' => 2, 'send_mobile'=> '13267310126', 'c_content'=>'天气很热注意防暑' ), 3 => array( 'id' => 3, 'send_mobile'=> '13267310166', 'c_content'=>'天气防暑' ) ); $arrb = array(); foreach ($arra as $v){ $b = $v['c_content']; if(isset($arrb[$b])) $arrb[$b]['send_mobile'] .= ','.$v['send_mobile']; $arrb[$b] = isset($arrb[$b])?$arrb[$b]:$v; } $arrb = array_values($arrb); print_r($arrb);?>
谢谢 这个问题已经解决

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