ThinkPHP file cache class code sharing _ PHP Tutorial

ThinkPHP file cache class code sharing. ThinkPHP file cache class code sharing from ThinkPHP file cache class code, there is not much nonsense here, friends can read comments themselves .? 12 ThinkPHP file cache class code sharing

　ThinkPHP file cache code sharing

The file cache code taken from ThinkPHP is not nonsense here. let's take a look at the comments.

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64

/** * @ Desc file cache */ Class Cache { Const C_FILE = '/Runtime /'; Private $ dir = ''; Const EXT = '. tpl '; Private $ filename = ''; Public function _ construct ($ dir = ''){ $ This-> dir = $ dir; } /** * @ Desc sets the file cache * @ Param string $ key file name * @ Param unkonw $ data cache data * @ Param int $ expire expiration time */ Public function set ($ key, $ data, $ expire = 0 ){ $ This-> filename = dirname (_ FILE _). self: C_FILE. $ this-> dir. $ key. self: EXT; If (file_exists ($ this-> filename )){ $ Res = $ this-> get ($ key ); If (md5 ($ res) = md5 (json_encode ($ data ))){ Return true; } } If (! Is_dir (dirname ($ this-> filename ))){ Mkdir (dirname ($ this-> filename), 0777 ); } $ Source = fopen ($ this-> filename, 'W + '); Fwrite ($ source, json_encode ($ data )); Fclose ($ source ); } /** * @ Desc get the file * @ Param string $ key file name */ Public function get ($ key ){ // $ Filename = dirname (_ FILE _). self: C_FILE. $ this-> dir. $ key. self: EXT; If (! File_exists ($ this-> filename )){ Return 'cached file does not exist '; } Else { $ Res = file_get_contents ($ this-> filename ); } Return $ res; } /** * @ Desc delete an object * @ Param string $ key file name */ Public function del ($ key ){ Unlink ($ this-> filename ); } } $ Data = array ('name' => 'song', 'age' => 20, 'sex' => 'man ', 'favority '=> array ('apple', 'bana ')); $ Cache = new Cache (); $ Cache-> set ('cache', $ data ); // $ Cache-> get ('cache '); // $ Cache-> del ('cache ');

Share The ThinkPHP file cache class code from the ThinkPHP file cache class code. there is not much nonsense here. let's take a look at the comments. ? 1 2...