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[PHP] ´Ó json_encode µ½ ajax_encode

PHP 5.2 ¼°ÒÔÉϰ汾ÌṩÁË json_encode ºÍ json_decode º¯Êý£¬Ï൱ºÃÓá£
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if (!function_exists('json_encode') && !function_exists('json_decode')) {
require_once ROOT . 'include/json.class.php';
$g_service_json = new Services_JSON;
function json_encode($arr) {
global $g_service_json;
return $g_service_json->encode($arr);
}
function json_decode($arr) {
global $g_service_json;
return $g_service_json->decode($arr);
}
}
 
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¶ø¶ÔÓÚ xml µÄÊä³ö£¬µ±È»¿ÉÒÔʹÓà xml µÄ¿â£¬È»¶øÈÕ³£¿ª·¢ÖУ¬ÇáÁ¿¼¶µÄʹÓà xml Êä³öÆäʵ²¢²»ÐèҪ̫¹ý¸´ÔӵŦÄÜ¡£
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/**
* Description:
* A simple function for outputing XML
* History:
* Created by Moky @ 2009-11-26
*/
/**
Usage:
$xml = '<?xml version="1.0" encoding="utf-8" ?>' . "\r\n";
$xml .= ajax_encode($data, 'data');
*/
function ajax_encode($var, $name = 'data') {
if (!$var && !is_numeric($var) && is_bool($var)) return "<$name/>\r\n";
$xml = '';
if (is_array($var)) {
foreach ($var as $k => $v) {
if (is_numeric($k)) $k = 'item';
$xml .= self::ajax_encode($v, $k);
}
} else if (is_string($var)) {
$xml .= "<!--[CDATA[$var]]-->";
} else {
$xml .= $var;
}
return "<$name>$xml</$name>\r\n";
}
 


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$fp = fopen("/dev/stdin", "r");
while($input = fgets($fp, 10000))
{
   echo urldecode($input);
}
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/**
* Mysql DB
*
* @author Administrator
* @package defaultPackage
*/
class MySqlDB{
private $_db;
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<?php
/**
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include_once'Pager.class.php';
$pager=new Pager();
if(isset($_GET['page']))
$pager->setCurrentPage($_GET['page']);
else
$pager->setCurrentPage(1);
......
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