對比

JSON優勢：變量序列化后依然可讀,可以給其他系統使用，因為JSON格式是標準的
JSON劣勢：
只對UFT-8的數據有效，其他編碼可能不能很好工作
只對stdClass類的示例有效,對于私有屬性會忽略

Serialize優勢：允許非UTF-8的變量 ，支持除了stdClass 示例外的其他實例
Serialize劣勢：編碼后的文本對人來說是不可讀的,無法被其他語言的系統引用

代碼?

$web = new stdClass; $web->site = 'tantengvip'; $web->owner = 'tuntun'; $web->age = 5; //和 $web = array(); $web['site'] = 'tantengvip'; $web['owner'] = 'tuntun'; $web['age'] = 5;var_dump(serialize($web)); var_dump(unserialize(serialize($web))); var_dump(json_encode($web)); var_dump(json_decode(json_encode($web)));string 'O:8:"stdClass":3:{s:4:"site";s:10:"tantengvip";s:5:"owner";s:6:"tuntun";s:3:"age";i:5;}' (length=87) object(stdClass)[127]public 'site' => string 'tantengvip' (length=10)public 'owner' => string 'tuntun' (length=6)public 'age' => int 5 string '{"site":"tantengvip","owner":"tuntun","age":5}' (length=46) object(stdClass)[127]public 'site' => string 'tantengvip' (length=10)public 'owner' => string 'tuntun' (length=6)public 'age' => int 5var_dump(serialize($web)); var_dump(unserialize(serialize($web))); var_dump(json_encode($web)); var_dump(json_decode(json_encode($web),true))string 'a:3:{s:4:"site";s:10:"tantengvip";s:5:"owner";s:6:"tuntun";s:3:"age";i:5;}' (length=74) array (size=3)'site' => string 'tantengvip' (length=10)'owner' => string 'tuntun' (length=6)'age' => int 5 string '{"site":"tantengvip","owner":"tuntun","age":5}' (length=46) array (size=3)'site' => string 'tantengvip' (length=10)'owner' => string 'tuntun' (length=6)'age' => int 5

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