數組的序列化和反序列化

serialize --------- 将數組格式化成有序的字元串

unserialize ----- 将數組還原成數組

<?php

$arr = array('a','b','c');

$str = serialize($arr);

echo $str;

echo '<hr/>';

$arr1 = unserialize($str);

var_dump($arr1);

?>