php ajax returns json data instance

       
   

json.php 文件

/***************************************************** **********
*
* Use a specific function to process all elements in the array
* @param string &$array The string to be processed
* @param string $function The function to be executed
* @return boolean $apply_to_keys_also Whether to also apply to keys
* @access public
*
********************************* ********************************/
function arrayrecursive(&$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--;
}

/***************************************************** **********
*
* Convert array to json string (compatible with Chinese)
* @param array $array The array to be converted
* @return string The converted json string
* @ access public
*
*************************************************** ****************/
function json($array) {
 arrayrecursive($array, 'urlencode', true);
 $json = json_encode($array);
 return urldecode($json);
}

$array = array
       (
          'name'=>'希亚',
          'age'=>20,
    'id'=>$_post['cid']
       );

 
echo json($array);
/*********
{"name":"Xiya","age":"20"}

This tutorial is an example of php ajax returning json data, which uses ajax to accept json.php in real time The file is sent with the data request and processed.

* **********/

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