数组操作系列之循环去重

xiaoxiao2021-02-28  8

<?php        $where = '  1 GROUP BY `city`';        $data = Store::getList($where);        if ($data) {            $thisgroup = '';            $k = -1;            for ($j = 0; $j < count($data); $j++) {                if ($data[$j]['province'] != $thisgroup) {                    $k++;                    $temp1[$k]['id'] = $data[$j]['province'];                    $temp1[$k]['province'] = Area::Redis_getField($data[$j]['province']);                    $temp1[$k]['select'] = 0;                    if ($province_id == $data[$j]['province']) {                        $temp1[$k]['select'] = 1;                    }                    $thisgroup = $data[$j]['province'];                    $act = "new";                } else {                    $act = "merge";                }                $select = 0;                if ($city_id == $data[$j]['city']) {                    $select = 1;                }                if ($act == "new") {                    $m = 0;                    $temp1[$k]['data'][$m] = [                        'id' => $data[$j]['city'],                        'name' => Area::Redis_getField($data[$j]['city']),                        'select' => $select                    ];                    $m++;                } else {                    $temp1[$k]['data'][$m] = [                        'id' => $data[$j]['city'],                        'name' => Area::Redis_getField($data[$j]['city']),                        'select' => $select                    ];                    $m++;                }                array_push($temp1[$k]['data'], ['id' => 0, 'name' => '全部', 'select' => $city_id == 0 ? 1 : 0]);            }            array_push($temp1, ['id' => 0, 'province' => '全部', 'select' => $province_id == 0 ? 1 : 0, 'data' => [['id' => 0, 'name' => '全部', 'select' => $province_id == 0 ? 1 : 0]]]);            $id = array();            foreach ($temp1 as $v) {                $id[] = $v['id'];            }            array_multisort($id, SORT_ASC, $temp1);            foreach ($temp1 as $key => $val) {                $t = $val['data'];                $cid = array();                foreach ($t as $v) {                    $cid[] = $v['id'];                } //                array_multisort() 函数返回排序数组。您可以输入一个或多个数组。函数先对第一个数组进行排序,接着是其他数组,如果两个或多个值相同,它将对下一个数组进行排序。 // 注释:字符串键名将被保留,但是数字键名将被重新索引,从 0 开始,并以 1 递增。 // 注释:您可以在每个数组后设置排序顺序和排序类型参数。如果没有设置,每个数组参数会使用默认值。               array_multisort($cid, SORT_ASC, $t);                $temp1[$key]['data'] = $t;            }        }
转载请注明原文地址: https://www.6miu.com/read-450103.html

最新回复(0)