The difference between php serialization functions
serialize() //把变量和它们的值编码成文本形式,即产生一个可存储的值的表示
Detailed explanation:
##serialize() Returns a string, this string contains A byte stream representing value, which can be stored anywhere. This facilitates storing or passing PHP values without losing their type and structure.
unserialize() //恢复原先变量。
Detailed explanation:
unserialize() Operate on a single serialized variable and convert it Returns the value to PHP. If the passed string is not deserializable, returns FALSE and produces an
E_NOTICE.
$arr=array(); $arr['name']='张三'; $arr['age']='22'; $arr['sex']='男'; $arr['phone']='123456789'; $arr['address']='上海市浦东新区'; var_dump($arr); //输出: // array(5) { // ["name"]=> string(6) "张三" // ["age"]=> string(2) "22" // ["sex"]=> string(3) "男" // ["phone"]=> string(9) "123456789" // ["address"]=> string(21) "上海市浦东新区" // } //序列化: $info=serialize($arr); var_dump($info); //输出: //string(140) "a:5:{s:4:"name";s:6:"张三";s:3:"age";s:2:"22";s:3:"sex";s:3:"男";s:5:"phone";s:9:"123456789";s:7:"address";s:21:"上海市浦东新区";}" ////////////////////////说明///////////////////////////////// //**a:5标志序列化为array包含5个键值对,s:4标志内容为字符串包含4个字符。**// $zhangsan=unserialize($info); var_dump($zhangsan); //输出: // array(5) { // ["name"]=> string(6) "张三" // ["age"]=> string(2) "22" // ["sex"]=> string(3) "男" // ["phone"]=> string(9) "123456789" // ["address"]=> string(21) "上海市浦东新区" // }
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