PHP returns JSON data function instance

This article describes the use of PHP return JSON data functions, shared for everyone to reference. Here's how:

Json_encode () function usage:

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1	echojson_encode(array(‘a‘=>‘bbbb‘,‘c‘=>‘ddddd‘);

This will generate a standard JSON-formatted data

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123456789Ten One A - - the - - - + - + A at - - - - - in - to + - the

<?php//需要执行的SQL语句//单条$sql="select id,name from tbl_user where id=1";//多条数据//$sql="select id,name from tbl_user";//调用conn.php文件进行数据库操作 require(‘Conn.php‘);//提示操作成功信息，注意：$result存在于conn.php文件中，被调用出来 if($result) {// $array=mysql_fetch_array($result,MYSQL_ASSOC);     /*数据集 $users=array(); $i=0; while($row=mysql_fetch_array($result,MYSQL_ASSOC)){ echo $row[‘id‘].‘-----------‘.$row[‘name‘].‘</br>‘; $users[$i]=$row; $i++; } echo json_encode(array(‘dataList‘=>$users)); */ /*单条数据*/ $row=mysql_fetch_row($result,MYSQL_ASSOC);   echo json_encode(array(‘jsonObj‘=>$row));}mysql_free_result($result);//释放结果mysql_close();//关闭连接?>

Above is the database to generate JSON data
Single data: {"Jsonobj": {"id": "1", "name": "LMW"}}
Multiple data: {"DataList": [{"id": "1", "name": "LMW"},{"id": "2", "Name": "XXJ"},{"id": "3", "Name": "Xxxj"}]}

Now in many cases, we need the program to return a JSON-formatted result, such as:

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1 2 3 4 5 6 7 8 9

{"UserKeyGetResponse":{"RequestName":"e99e6d63e8c712d7699f52978a","api_key_value":"41954dd9b1cb6a95802eab6810"},"error_response":{"code":"NO_ERROR","msg":"获取系统参数成功"}}可以将结果写成这样的数组形式：$respon = array(‘UserKeyGetResponse‘ => array(‘RequestName‘ => $api_request_name, ‘api_key_value‘ => $api_key_value),‘error_response‘ => array(‘code‘ => ‘NO_ERROR‘, ‘msg‘ => ‘获取系统参数成功‘));

The code is as follows:

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1 2 3 4 5 6 7 8 9 10 11 Span style= "font-size:16px" >12 13 14 15 16 17 18 19 20 21 22 23 24 25

function arrayRecursive(&$array, $function, $apply_to_keys_also = false){ static $recursive_counter = 0; if (++$recursive_counter > 1000) {  die(‘possible deep recursion attack‘); } foreach ($array as $key => $value) {  if (is_array($value)) {   arrayRecursive($array[$key], $function, $apply_to_keys_also);  } else {   $array[$key] = $function($value);  }  if ($apply_to_keys_also && is_string($key)) {   $new_key = $function($key);   if ($new_key != $key) {    $array[$new_key] = $array[$key];    unset($array[$key]);   }  } } $recursive_counter--;}g:$error_respon = array(‘code‘ => ‘ERROR_MSG_MISS‘, ‘msg‘ => ‘消息不存在‘);echo JSON($array);

The result of the operation is:

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1	{"code":"ERROR_MSG_MISS","msg":"消息不存在"}

The client can parse the result, and of course the error code should be replaced with a number.
This is much better. We are showing the direct Chinese, of course, the 16 encoding is not a problem.

PHP returns JSON data function instance