PHP data File cache class code instance

Class Datacache { /** * Array Conversion * * @param array $array * @param string $arrayName * @param array $level * * @return String */ Private Function Arrayeval ($array, $arrayName = ", $level = 0) { $space = Str_repeat ("T", $level); if (Emptyempty ($arrayName)) { $evaluate = "Arrayn$space (n"; } Else { $evaluate = "${$arrayName} = Arrayn$space (n"; } $space 2 = str_repeat ("T", $level + 1); $comma = $space 2; if (!emptyempty ($array)) { foreach ($array as $key = $val) { $key = is_string ($key)? ''' . Addcslashes ($key, "\"). ": $key; $val =!is_array ($val) && (!preg_match ('/^-?[ 1-9]d*$/', $val) | | strlen ($val) > 12)? ''' . Addcslashes ($val, "\"). ": $val; if (Is_array ($val)) { $evaluate. = "$comma $key =". Arrayeval ($val, ", $level + 1); } Else { $evaluate. = "$comma $key = $val"; } $comma = ", N$space2"; } } $evaluate. = "N$space)"; Finally, we need a ";" if ($level = = 0) { $evaluate. = ";"; } return $evaluate; } /** * Write Cache * * @param string $path * @param string $arrayName * @param array $data * * @return Boolean */ public static function Writecache ($path, $arrayName, $data) { if ($handle = fopen ($path, ' w+ ')) { $data = Self::arrayeval ($data, $arrayName); $dataConvert = " Flock ($handle, LOCK_EX); $rs = fputs ($handle, $dataConvert); Flock ($handle, lock_un); Fclose ($handle); if ($rs!== false) { return true; } } return false; } } ?> Copy Code Call Method: /** * Generate file Cache * * @param string $filePath save path to cache file * @param string $arrayName The name of the array stored in the cache file * @param array $data data * * @return Boolean */ Datacache::writecache ($filePath, $arrayName, $data); Copy Code Memcache to cache the data, this file caches the class: /** * File Cache class * Provide file cache */ Class cache_filecache{ /** * Set Cache * @param $key Cached keyword key * @param $data Cached content * @param $cacheLife Cache time (in seconds) if 0 means unlimited time * @return Bool */ public static function Setcache ($key, $data, $cacheLife) { if (file_exists (__site_file_cache)) { @ $file = __site_file_cache. "/" . $key. ". PHP "; $cache = Array (); $time = __sys_time; $cache [' content '] = $data; $cache [' expire '] = $cacheLife = = = 0? 0: $time + $cacheLife; $cache [' mtime '] = $time; $cache = serialize ($cache); $setReslut = @file_put_contents ($file, $cache) or Self::error (__line__, "File write error"); $chmodReslut = @chmod ($file, 0777) or Self::error (__line__, "Set file permissions failed"); if ($setReslut && $chmodReslut) { return true; } Else { return false; } } } /** * Get Cached data * @param $key Cached keyword key * @return Array */ public static function GetCache ($key) { @ $file = __site_file_cache. "/" . $key. ". PHP "; if (file_exists ($file)) { $data = @file_get_contents ($file); $data = Unserialize ($data); if ($data [' Expire ']==0 | | $data [' expire '] > __sys_time) { return $data [' content ']; } Else { Unlink ($file); return Array (); } } } /** * Delete cache files * @param $key Cache $key * @return Bool */ public static function Delcache ($key) { if (@unlink (__site_file_cache. /". $key.". PHP ")) { return true; } Else { return false; } } /** * Clear All cache files * @return Bool */ public static function Clearallcache () { $files = Scandir (__site_file_cache); foreach ($files as $val) { @unlink (__site_file_cache. " /". $val); } } /** * Error handling function * Number of lines @param $line * @param $msg Information */ public static function error ($line, $msg) { Die ("Error File:". __file__. " /N Error Line: $line/N error message: $msg "); } } ?> Copy Code

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