tqyq

function millitime() {
    return round(microtime(true) * 1000);
}

tqyq

function genTree($items, $idkey='_id'){
    $tree = array();
    foreach($items as $item){
        if(isset($items[$item['pid']])){
            $items[$item['pid']]['son'][] = &$items[$item[$idkey]];
        }else{
            $tree[] = &$items[$item[$idkey]];
        }
    }
    return $tree;

tqyq

function head_value($key) {
    $headers = [];
    if (!function_exists('getallheaders')) {
        foreach ($_SERVER as $name => $value) {
            /* RFC2616 (HTTP/1.1) defines header fields as case-insensitive entities. */
            if (strtolower(substr($name, 0, 5)) == 'http_') {
                $headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
            }
        }
    } else {

tqyq

// run below in mongo client shell
db.teacher.createIndex( { "loc": "2d" } )

// php query
    public function test($dis=1) {
        $r = D('Teacher')->command([
            'geoNear'=>'teacher',
            'near'=>[116.32723, 39.977331],
            'maxDistance' => $dis/111,
            'distanceMultiplier' => 111,

tqyq

function getDistance($lat1, $lng1, $lat2, $lng2) {
    $earthRadius = 6367000; //approximate radius of earth in meters
    $lat1 = ($lat1 * pi()) / 180;
    $lng1 = ($lng1 * pi()) / 180;

    $lat2 = ($lat2 * pi()) / 180;
    $lng2 = ($lng2 * pi()) / 180;

    $calcLongitude = $lng2 - $lng1;
    $calcLatitude = $lat2 - $lat1;

tqyq

    public function group()
    {
        $r = D('Charge')->getCollection()->aggregate([
            ['$match'=>['cat'=>'55d17590f7c6d19c1e000039']],
            ['$group' => ['_id' => '$cat', 'money' => ['$sum' => '$price'], 'oc' => ['$sum' => 1]]],
            ['$sort' => ['money' => -1]]
        ]);
        json_out($r);
    }

tqyq

String.prototype.format = function()
{
    var args = arguments;
    return this.replace(/\{(\d+)\}/g,
        function(m,i){
            return args[i];
        });
}

// sample

tqyq

        $(function() {
            new AjaxUpload("up_btn", {
                action: "/home/api/upload",
                autoSubmit: true,
                name: "bin",
                data: {},
                responseType: 'json',
                onChange: function (file, extension) {
                },
                onSubmit: function (file, extension) {

tqyq

worker_processes  1;

events {
	multi_accept on;
        worker_connections      1024;
}

http {

	client_max_body_size 30m;

tqyq

    public function test()
    {
        $u = D('User')->getCollection()->find(['$or'=>[['mobile'=>'13888888888'], ['name'=>'test1']]]);
        foreach ($u as $v) {
            json_out($v);
        }
        $u = D('User')->getCollection()->distinct('name');
        json_out($u);
    }