2PHP Cache Type

2PHP Cache Classes

 Cachecheck (); Echo Date ("y-m-d h:i:s");//$cache->clearcache (' mv_moves.php '); $cache->caching (); */class Cache {  Cache directory var $cacheRoot = "./cache/";  Cache update time seconds, 0 is not cached var $cacheLimitTime = 0;  Cache filename var $cacheFileName = "";   Cache extension var $cacheFileExt = "PHP";      /* * constructor * int $cacheLimitTime Cache Update Time */function cache ($cacheLimitTime) {if (Intval ($cacheLimitTime))    $this->cachelimittime = $cacheLimitTime;    $this->cachefilename = $this->getcachefilename ();  Ob_start (); }/* * Check that the cache file is returned within the SET update time *: If the contents of the file are returned within the update time, the reverse returns the failure */function Cachecheck () {if (File_exists ($this->ca      Chefilename) {$cTime = $this->getfilecreatetime ($this->cachefilename);        if ($cTime + $this->cachelimittime > Time ()) {echo file_get_contents ($this->cachefilename);        Ob_end_flush ();      Exit  }} return false; }/* * cache file or output static * string $staticFileName static file name (with relative path) */function Caching ($staticFileName = "") {if ($this->cachefilename) {$cacheContent = Ob_get_contents ();      Echo $cacheContent;       Ob_end_flush ();      if ($staticFileName) {$this->savefile ($staticFileName, $cacheContent);    } if ($this->cachelimittime) $this->savefile ($this->cachefilename, $cacheContent); }/* * Clear Cache file * String $fileName Specify file name (with function) or all * return: Clear successfully returns TRUE, vice versa * * Function ClearCache ($file Name = "All") {if ($fileName! = "All") {$fileName = $this->cacheroot. Strtoupper (MD5 ($fileName)). ".".      $this->cachefileext;      if (file_exists ($fileName)) {return @unlink ($fileName);    }else return false; if (Is_dir ($this->cacheroot)) {if ($dir = @opendir ($this->cacheroot)) {while ($file = @r          Eaddir ($dir)) {$check = Is_dir ($file);        if (! $check) @unlink ($this->cacheroot. $file); } @cloSedir ($dir);      return true;      }else{return false;    }}else{return false; The cache filename is generated from the current dynamic file */function Getcachefilename () {return $this->cacheroot. Strtoupper (MD5 ($_server ["Request_uri"]). ".".  $this->cachefileext; }/* * Cache File setup Time * string $fileName cache filename (with relative path) * Returned: File generation time in seconds, file does not exist return 0 */function getfilecreatetime ($fileNa     Me) {if (! Trim ($fileName)) return 0;    if (file_exists ($fileName)) {return intval (Filemtime ($fileName));  }else return 0; }/* * Save File * String $fileName file name (with relative path) * String $text file Contents * Return: Ture returned successfully, failed to return false */function SAVEF     Ile ($fileName, $text) {if (! $fileName | |! $text) return false; if ($this->makedir (dirname ($fileName))) {if ($fp = fopen ($fileName, "w")) {if (@fwrite ($FP, $tex          T)) {fclose ($FP);        return true;          }else {fclose ($FP);        return false; }}} RETUrn false; }/* * Continuous Directory * String $dir directory String * int $mode Permission number * return: Successfully created or all built returns True, other methods return false */function MakeDir ($d    IR, $mode = "0777") {if (! $dir) return 0;        $dir = str_replace ("\ \", "/", $dir);    $mdir = ""; foreach (Explode ("/", $dir) as $val) {$mdir. = $val. "      /";            if ($val = = ":" | | $val = = "." | | Trim ($val) = = "") continue;        if (! file_exists ($mdir)) {if ([email protected] ($mdir, $mode)) {return false;  }}} return true; }}?>

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