在php中动态构建Json


Build Json dynamically in php

我正在开发一个管理系统,它从html -> Js ->控制器(php) -> wadl发送值,问题是我从控制器发送值到一个json结构的web服务,像这样:

'{"idOperation":"013",
"accessLog":{"sessionId":"'.$id_sessionid.'","userName":"'.$id_username.'"},
"token":"'.$id_token.'",
"bean":"{'"CodClient'":'"'.$id_codigo.''",
'"CodActivity'":'.$objetoJson->cod_actividad.',
'"Status'":null,
'"ShowEverything'":'.$objetoJson->id_show.'}"}'

我怎么能使一个函数在php动态创建这个Json?

function createJson ($param1, $param2, $param3, $param4, $param5, $param6 ){
 $arr = array('a' => $param1, 'b' => $param2, 'c' => $param3, 'd' => $param4, 'e' => $param5);
 echo json_encode($arr);
}

调用函数:

$json = createJson(1, 2, 3, 4, 5);
echo $json;

,您的输出将像:

{"a":1,"b":2,"c":3,"d":4,"e":5}