Правдоли может ускорить

правдоли может ускорить скорасть сайта этат скрипт

PHP:

1. <?php
2. function start() {
3.    ob_start();
4.    ob_implicit_flush(0);
5. }
6.  
7. function output($compress = true, $use_etag = true, $send_body = true) {
8. $min_gz_size = 1024;
9. $page = ob_get_contents();
10. $length = strlen($page);
11. ob_end_clean();
12.  
13. if ($compress && extension_loaded('zlib') &&
14.     (strlen($page) > $min_gz_size) &&
15.     isset($globals['http_server_vars']['http_accept_encoding'])) {
16.    $ae = explode(',', str_replace(' ', '', $globals['http_server_vars']['http_accept_encoding']));
17.    $enc = false;
18.    if (in_array('gzip', $ae)) {
19.     $enc = 'gzip';
20.    } else if (in_array('x-gzip', $ae))
21.     $enc = 'x-gzip';
22.  
23.    if ($enc) {
24.     $length = strlen($page);
25.     header('content-encoding: ' . $enc);
26.     header('vary: accept-encoding');
27.    } else {
28.     $compress = false;
29.    }
30. } else
31.    $compress = false;
32.  
33. if ($use_etag) {
34.    $etag = '"' . md5($page) . '"';
35.    header('etag: ' . $etag);
36.    if (isset($globals['http_server_vars']['http_if_none_match'])) {
37.     $inm = explode(',', $globals['http_server_vars']['http_if_none_match']);
38.     foreach ($inm as $i) {
39.        if (trim($i) == $etag) {
40.         header('http/1.0 304 not modified');
41.         $send_body = false;
42.         break;
43.        }
44.     }
45.    }
46. }
47.  
48. if ($send_body) {
49.    header('content-length: ' . $length);
50.    echo $page;
51.    }
52. }
53. ?>

PHP:

1. 1. В .htaccess добавить:
2.  
3. FileETag MTime Size
4. <ifmodule mod_expires.c>
5. <filesmatch ".(jpg|jpeg|gif|png|ico|css|js)$">
6. ExpiresActive on
7. ExpiresDefault "access plus 1 month"
8. </filesmatch>
9. </ifmodule>
10. <ifModule mod_gzip.c>
11.   mod_gzip_on Yes
12.   mod_gzip_dechunk Yes
13.   mod_gzip_item_include file \.(html?|txt|css|js|php|pl)$
14.   mod_gzip_item_include handler ^cgi-script$
15.   mod_gzip_item_include mime ^text/.*
16.   mod_gzip_item_include mime ^application/x-javascript.*
17.   mod_gzip_item_exclude mime ^image/.*
18.   mod_gzip_item_exclude rspheader ^Content-Encoding:.*gzip.*
19. </ifModule>
20. <ifModule mod_expires.c>
21.   ExpiresActive On
22.   ExpiresDefault "access plus 1 seconds"
23.   ExpiresByType text/html "access plus 1 seconds"
24.   ExpiresByType image/gif "access plus 2592000 seconds"
25.   ExpiresByType image/jpeg "access plus 2592000 seconds"
26.   ExpiresByType image/png "access plus 2592000 seconds"
27.   ExpiresByType text/css "access plus 604800 seconds"
28.   ExpiresByType text/javascript "access plus 216000 seconds"
29.   ExpiresByType application/x-javascript "access plus 216000 seconds"
30. </ifModule>
31. <ifModule mod_headers.c>
32.   <filesMatch "\\.(ico|pdf|flv|jpg|jpeg|png|gif|swf)$">
33.     Header set Cache-Control "max-age=2592000, public"
34.   </filesMatch>
35.   <filesMatch "\\.(css)$">
36.     Header set Cache-Control "max-age=604800, public"
37.   </filesMatch>
38.   <filesMatch "\\.(js)$">
39.     Header set Cache-Control "max-age=216000, private"
40.   </filesMatch>
41.   <filesMatch "\\.(xml|txt)$">
42.     Header set Cache-Control "max-age=216000, public, must-revalidate"
43.   </filesMatch>
44.   <filesMatch "\\.(html|htm|php)$">
45.     Header set Cache-Control "max-age=1, private, must-revalidate"
46.   </filesMatch>
47. </ifModule>
48.  
49. 2. Работем в файлах index.php и templates.php
50. 2.1 Заружаем accelerator.php в /system/classes/
51.  
52. 2.2 Открить index.php
53.  
54. Перед:
55.  
56. define('ENGINE_DIR', ROOT_DIR.'/system');
57.  
58. Добавить:
59.  
60. include('/system/classes/accelerator.php');
61.  
62. 2.3 Открить templates.php
63.  
64. После:
65.  
66. function load_template($tpl_name) {
67.  
68. Добавить:
69.  
70. if( $this->CacheTemplate[ $tpl_name ] )
71.     {
72.         $this->copy_template = $this->CacheTemplate[ $tpl_name ];
73.         return true;
74.     }
75.    
76. После:
77.  
78. $this->copy_template = $this->template;
79.  
80. Добавить:
81.  
82. $this->CacheTemplate[ $tpl_name ] = $this->template;