extract_by_one 根据二维数组中某字段来提取数组信息,查看有无重复信息

    public function tt(){

        $param =  array(
            array (
                'hykno'         => '2222222-CB',
                'tcdk_fid'      => '458B6D70-FB7F-47AE-8356-777777777777',
                'totalamount'   => '',
                'offsetamount'  => '90.0',
                'postamount'    => '',
                'hysyamout'     => '10.0',
                'protypeid'     => '',
            ),
            array (
                'hykno'         => '2222222-CB',
                'tcdk_fid'      => '458B6D70-FB7F-47AE-8356-777777777777',
                'totalamount'   => '',           // 需要支付的钱
                'offsetamount'  => '5.0',        // 抵扣分类1下5.0份;
                'postamount'    => '',            // 运费
                'hysyamout'     => '5.0',
                'protypeid'     => '',
            ),
            array (
                'hykno'         => '2222222-CC',
                'tcdk_fid'      => '458B6D70-FB7F-47AE-8356-777777777777',
                'totalamount'   => '',           // 需要支付的钱
                'offsetamount'  => '5.0',        // 抵扣分类1下5.0份;
                'postamount'    => '',            // 运费
                'hysyamout'     => '5.0',
                'protypeid'     => '',
            ),
            array (
                'hykno'         => '2222222-CC',
                'tcdk_fid'      => '458B6D70-FB7F-47AE-8356-777777777777',
                'totalamount'   => '',           // 需要支付的钱
                'offsetamount'  => '5.0',        // 抵扣分类1下5.0份;
                'postamount'    => '',            // 运费
                'hysyamout'     => '5.0',
                'protypeid'     => '',
            ),
            array (
                'hykno'         => '2222222-DD',
                'tcdk_fid'      => '458B6D70-FB7F-47AE-8356-777777777777',
                'totalamount'   => '',           // 需要支付的钱
                'offsetamount'  => '5.0',        // 抵扣分类1下5.0份;
                'postamount'    => '',            // 运费
                'hysyamout'     => '5.0',
                'protypeid'     => '',
            )
        );

        //$this->merger_by_one($param,'protypeid',['totalamount','offsetamount','postamount','hysyamout']);

        $this->extract_by_one($param,'hykno');
    }

    /***
     * @param $param
     * @param $one_str '根据二维数组中某字段来提取数组信息,查看有无重复信息'
     */
    public function extract_by_one($param,$one_str){
        $u = array();
        foreach ($param as $k => $v){
            if (!in_array($v[$one_str],$u)){
                $u[] = $v[$one_str];
            }
        }

        $data = array();
        foreach ($u as $uk => $uv)
        {
            foreach ($param as $pk => $pv)
            {
                if ($pv[$one_str] == $uv){
                    $data[$uv][] = $pv;
                }
            }
        }

        //$data = array_values($data);

        dump($data);

    }

[2222222-CB] => Array
(
[0] => Array
(
　　[hykno] => 2222222-CB
　　[tcdk_fid] => 458B6D70-FB7F-47AE-8356-777777777777
　　[totalamount] => 0
　　[offsetamount] => 90.0
　　[postamount] => 0
　　[hysyamout] => 10.0
　　[protypeid] => 1
)

[1] => Array
(
　　[hykno] => 2222222-CB
　　[tcdk_fid] => 458B6D70-FB7F-47AE-8356-777777777777
　　[totalamount] => 0
　　[offsetamount] => 5.0
　　[postamount] => 0
　　[hysyamout] => 5.0
　　[protypeid] => 1
)

)

[2222222-CC] => Array
(
[0] => Array
(
　　[hykno] => 2222222-CC
　　[tcdk_fid] => 458B6D70-FB7F-47AE-8356-777777777777
　　[totalamount] => 0
　　[offsetamount] => 5.0
　　[postamount] => 0
　　[hysyamout] => 5.0
　　[protypeid] => 7
)

[1] => Array
(
　　[hykno] => 2222222-CC
　　[tcdk_fid] => 458B6D70-FB7F-47AE-8356-777777777777
　　[totalamount] => 0
　　[offsetamount] => 5.0
　　[postamount] => 0
　　[hysyamout] => 5.0
　　[protypeid] => 7
)

)

[2222222-DD] => Array
(
[0] => Array
(
　　[hykno] => 2222222-DD
　　[tcdk_fid] => 458B6D70-FB7F-47AE-8356-777777777777
　　[totalamount] => 0
　　[offsetamount] => 5.0
　　[postamount] => 0
　　[hysyamout] => 5.0
　　[protypeid] => 3
)

)