Customizing using S Caching method

<?php$info=s ("name", "Lizhaoyao"), $name =s ("name"), Var_dump ($name), function S ($key, $value = ", $cache _time=86400 {    $md =md5 ($key);//Encrypt name by MD45 hash    $dir = "./cache/";//define Cache Storage Path folder    if (!is_dir ($dir))    {        mkdir ($dir, ' 0777 ');//First detect if the folder exists    }    $file _name= $dir. $md;    if (empty ($value))    {        //to take the value out        if (file_exists ($file _name))        {            $cont =file_get_contents ($ file_name);            Return Unserialize ($cont);        } else{            echo "";        }    } else    {        //If the assignment is null, the cache is deleted if        ($value ===null)        {           return unlink ($file _name);        }        To be stored in        $data [' Value ']= $value;        $data [' Deadline ']=time () + $cache _time;        Return file_put_contents ($file _name,serialize ($data));}    ? >

Use this code to customize the read and use of a S method for caching

Customizing using S Caching method