function wp_cache_get_ob(&$buffer)
{
global $wpsc_settings;
global $cache_enabled, $cache_path, $cache_filename, $meta_file, $wp_start_time, $supercachedir;
global $new_cache, $wp_cache_meta, $file_expired, $blog_id, $cache_compression;
global $wp_cache_gzip_encoding, $super_cache_enabled, $cached_direct_pages;
global $wp_cache_404, $gzsize, $supercacheonly;
global $blog_cache_dir, $wp_cache_request_uri, $wp_supercache_cache_list;
global $wp_cache_not_logged_in, $wp_cache_object_cache, $cache_max_time;
global $wp_cache_is_home, $wp_cache_front_page_checks;
$new_cache = true;
$wp_cache_meta = '';
/* Mode paranoic, check for closing tags
* we avoid caching incomplete files */
if ($buffer == '') {
$new_cache = false;
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Buffer is blank. Output buffer may have been corrupted by another plugin or this is a redirected URL. Look for text 'ob_start' in the files of your plugins directory.", 2);
$buffer .= "\n<!-- Page not cached by WP Super Cache. Blank Page. Check output buffer usage by plugins. -->\n";
}
}
if ($wp_cache_404 && false == apply_filters('wpsupercache_404', false)) {
$new_cache = false;
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("404 file not found not cached", 2);
$buffer .= "\n<!-- Page not cached by WP Super Cache. 404. -->\n";
}
}
if (!preg_match('/(<\\/html>|<\\/rss>|<\\/feed>|<\\/urlset)/i', $buffer)) {
$new_cache = false;
if (false === strpos($_SERVER['REQUEST_URI'], 'robots.txt')) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("No closing html tag. Not caching.", 2);
$buffer .= "\n<!-- Page not cached by WP Super Cache. No closing HTML tag. Check your theme. -->\n";
}
} else {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("robots.txt detected. Not caching.", 2);
}
}
}
if (!$new_cache) {
return $buffer;
}
$duration = wp_cache_microtime_diff($wp_start_time, microtime());
$duration = sprintf("%0.3f", $duration);
$buffer .= "\n<!-- Dynamic page generated in {$duration} seconds. -->\n";
if (!wp_cache_writers_entry()) {
$buffer .= "\n<!-- Page not cached by WP Super Cache. Could not get mutex lock. -->\n";
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Could not get mutex lock. Not caching.", 1);
}
return $buffer;
}
if ($wp_cache_not_logged_in && is_feed()) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Feed detected. Writing legacy cache files.", 5);
}
$wp_cache_not_logged_in = false;
}
$home_url = parse_url(trailingslashit(get_bloginfo('url')));
$dir = get_current_url_supercache_dir();
$supercachedir = $cache_path . 'supercache/' . preg_replace('/:.*$/', '', $home_url['host']);
if (!empty($_GET) || is_feed() || $super_cache_enabled == true && is_dir(substr($supercachedir, 0, -1) . '.disabled')) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Supercache disabled: GET or feed detected or disabled by config.", 2);
}
$super_cache_enabled = false;
}
$tmp_wpcache_filename = $cache_path . uniqid(mt_rand(), true) . '.tmp';
$supercacheonly = false;
if ($super_cache_enabled) {
if (wp_cache_get_cookies_values() == '') {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Anonymous user detected. Only creating Supercache file.", 3);
}
$supercacheonly = true;
}
}
$cache_error = '';
if ($wp_cache_not_logged_in && wp_cache_get_cookies_values() != '') {
$super_cache_enabled = false;
$cache_enabled = false;
$cache_error = 'Not caching requests by known users. (See Advanced Settings page)';
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug('Not caching for known user.', 5);
}
}
if ($wp_cache_object_cache) {
// half on mode when using the object cache
if (wp_cache_get_cookies_values() != '') {
$cache_enabled = false;
$cache_error = 'Known User and using object. Only anonymous users cached.';
}
$super_cache_enabled = false;
$supercacheonly = false;
wp_cache_init();
// PHP5 destroys objects during shutdown
}
if (!$cache_enabled) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug('', 5);
}
wp_cache_writers_exit();
return $buffer . "\n<!-- Page not cached by WP Super Cache. Check your settings page. {$cache_error} -->";
}
if (@is_dir($dir) == false) {
@wp_mkdir_p($dir);
}
$fr = $fr2 = $gz = false;
// Open wp-cache cache file
if (!$supercacheonly) {
if (false == $wp_cache_object_cache) {
$fr = @fopen($tmp_wpcache_filename, 'w');
if (!$fr) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Error. Supercache could not write to " . str_replace(ABSPATH, '', $cache_path) . $cache_filename, 1);
}
$buffer .= "<!-- File not cached! Super Cache Couldn't write to: " . str_replace(ABSPATH, '', $cache_path) . $cache_filename . " -->\n";
wp_cache_writers_exit();
return $buffer;
}
}
} else {
$user_info = wp_cache_get_cookies_values();
$do_cache = apply_filters('do_createsupercache', $user_info);
if ($super_cache_enabled && ($user_info == '' || $do_cache === true)) {
$cache_fname = $dir . supercache_filename();
$tmp_cache_filename = $dir . uniqid(mt_rand(), true) . '.tmp';
$fr2 = @fopen($tmp_cache_filename, 'w');
if (!$fr2) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Error. Supercache could not write to " . str_replace(ABSPATH, '', $tmp_cache_filename), 1);
}
$buffer .= "<!-- File not cached! Super Cache Couldn't write to: " . str_replace(ABSPATH, '', $tmp_cache_filename) . " -->\n";
@fclose($fr);
@unlink($tmp_wpcache_filename);
wp_cache_writers_exit();
return $buffer;
} elseif ($cache_compression) {
$gz = @fopen($tmp_cache_filename . ".gz", 'w');
if (!$gz) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Error. Supercache could not write to " . str_replace(ABSPATH, '', $tmp_cache_filename) . ".gz", 1);
}
$buffer .= "<!-- File not cached! Super Cache Couldn't write to: " . str_replace(ABSPATH, '', $tmp_cache_filename) . ".gz -->\n";
@fclose($fr);
@unlink($tmp_wpcache_filename);
@fclose($fr2);
@unlink($tmp_cache_filename);
wp_cache_writers_exit();
return $buffer;
}
}
}
}
$added_cache = 0;
$oc_key = get_oc_key();
if (preg_match('/<!--mclude|<!--mfunc|<!--dynamic-cached-content-->/', $buffer)) {
//Dynamic content
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Dynamic content found in buffer.", 4);
}
$store = preg_replace('|<!--mclude (.*?)-->(.*?)<!--/mclude-->|is', "<!--mclude-->\n<?php include_once('" . ABSPATH . "\$1'); ?>\n<!--/mclude-->", $buffer);
$store = preg_replace('|<!--mfunc (.*?)-->(.*?)<!--/mfunc-->|is', "<!--mfunc-->\n<?php \$1 ;?>\n<!--/mfunc-->", $store);
$store = preg_replace('|<!--dynamic-cached-content-->(.*?)<!--(.*?)--><!--/dynamic-cached-content-->|is', "<!--dynamic-cached-content-->\n<?php\$2?>\n<!--/dynamic-cached-content-->", $store);
$wp_cache_meta['dynamic'] = true;
/* Clean function calls in tag */
$buffer = preg_replace('|<!--mclude (.*?)-->|is', '<!--mclude-->', $buffer);
$buffer = preg_replace('|<!--mfunc (.*?)-->|is', '<!--mfunc-->', $buffer);
$buffer = preg_replace('|<!--dynamic-cached-content-->(.*?)<!--(.*?)--><!--/dynamic-cached-content-->|is', "<!--dynamic-cached-content-->\$1<!--/dynamic-cached-content-->", $buffer);
$store = apply_filters('wpsupercache_buffer', $store);
// Append WP Super Cache or Live page comment tag
wp_cache_append_tag($buffer);
wp_cache_append_tag($store);
global $wp_super_cache_late_init;
if (false == isset($wp_super_cache_late_init) || isset($wp_super_cache_late_init) && $wp_super_cache_late_init == 0) {
$buffer .= '<!-- Super Cache dynamic page detected but $wp_super_cache_late_init not set. See the readme.txt for further details. -->';
}
if (false == $wp_cache_object_cache) {
if ($fr) {
// legacy caching
fputs($fr, $store);
} elseif (isset($fr2)) {
// supercache active
$php_fname = "{$dir}" . supercache_filename() . ".php";
$tmp_php_filename = $dir . uniqid(mt_rand(), true) . '.tmp';
$php_fd = @fopen($tmp_php_filename, 'w');
if (!$php_fd) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Error. Supercache could not write to " . str_replace(ABSPATH, '', $tmp_php_filename), 1);
}
$buffer .= "<!-- File not cached! Super Cache couldn't write to: " . str_replace(ABSPATH, '', $tmp_php_filename) . " -->\n";
@fclose($php_fd);
@unlink($tmp_php_filename);
wp_cache_writers_exit();
return $buffer;
}
fputs($php_fd, $store);
}
} else {
wp_cache_set($oc_key, $store, 'supercache', $cache_max_time);
}
if ($cache_compression && $wp_cache_gzip_encoding) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Gzipping dynamic buffer.", 5);
}
$gzdata = gzencode($buffer . "<!-- Compression = gzip -->", 6, FORCE_GZIP);
$gzsize = function_exists('mb_strlen') ? mb_strlen($gzdata, '8bit') : strlen($gzdata);
}
} else {
$buffer = apply_filters('wpsupercache_buffer', $buffer);
// Append WP Super Cache or Live page comment tag
wp_cache_append_tag($buffer);
if ($gz || $wp_cache_gzip_encoding) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Gzipping buffer.", 5);
}
$gzdata = gzencode($buffer . "<!-- Compression = gzip -->", 6, FORCE_GZIP);
$gzsize = function_exists('mb_strlen') ? mb_strlen($gzdata, '8bit') : strlen($gzdata);
}
if ($wp_cache_gzip_encoding) {
$wp_cache_meta['headers']['Content-Encoding'] = 'Content-Encoding: ' . $wp_cache_gzip_encoding;
$wp_cache_meta['headers']['Vary'] = 'Vary: Accept-Encoding, Cookie';
// Return uncompressed data & store compressed for later use
if (false == $wp_cache_object_cache) {
if ($fr) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Writing gzipped buffer to wp-cache cache file.", 5);
}
fputs($fr, $gzdata);
}
} elseif ($cache_enabled) {
wp_cache_set($oc_key . ".gz", $gzdata, 'supercache', $cache_max_time);
$added_cache = 1;
}
} else {
// no compression
$wp_cache_meta['headers']['Vary'] = 'Vary: Cookie';
if (false == $wp_cache_object_cache) {
if ($fr) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Writing non-gzipped buffer to wp-cache cache file.", 5);
}
fputs($fr, $buffer);
}
} elseif ($cache_enabled) {
wp_cache_set($oc_key, $buffer, 'supercache', $cache_max_time);
$added_cache = 1;
}
}
if (false == $wp_cache_object_cache) {
if ($fr2) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Writing non-gzipped buffer to supercache file.", 5);
}
fputs($fr2, $buffer . '<!-- super cache -->');
}
if ($gz) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Writing gzipped buffer to supercache file.", 5);
}
fwrite($gz, $gzdata);
}
}
}
$new_cache = true;
if (false == $wp_cache_object_cache) {
if ($fr) {
$supercacheonly = false;
fclose($fr);
if (filesize($tmp_wpcache_filename) == 0) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Warning! The file {$tmp_wpcache_filename} was empty. Did not rename to {$blog_cache_dir}{$cache_filename}", 5);
}
@unlink($tmp_wpcache_filename);
} else {
if (!rename($tmp_wpcache_filename, $blog_cache_dir . $cache_filename)) {
unlink($blog_cache_dir . $cache_filename);
rename($tmp_wpcache_filename, $blog_cache_dir . $cache_filename);
}
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Renamed temp wp-cache file to {$blog_cache_dir}{$cache_filename}", 5);
}
$added_cache = 1;
}
}
if ($fr2) {
fclose($fr2);
if ($wp_cache_front_page_checks && $cache_fname == $supercachedir . $home_url['path'] . supercache_filename() && !$wp_cache_is_home) {
wp_cache_writers_exit();
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Warning! Not writing another page to front page cache.", 1);
}
return $buffer;
} elseif (filesize($tmp_cache_filename) == 0) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Warning! The file {$tmp_cache_filename} was empty. Did not rename to {$cache_fname}", 5);
}
@unlink($tmp_cache_filename);
} else {
if (!@rename($tmp_cache_filename, $cache_fname)) {
@unlink($cache_fname);
@rename($tmp_cache_filename, $cache_fname);
}
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Renamed temp supercache file to {$cache_fname}", 5);
}
$added_cache = 1;
}
}
if ($php_fd) {
fclose($php_fd);
if ($php_fname == $supercachedir . $home_url['path'] . supercache_filename() . '.php' && !$wp_cache_is_home) {
wp_cache_writers_exit();
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Warning! Not writing another page to front page cache.", 1);
}
return $buffer;
} elseif (filesize($tmp_php_filename) == 0) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Warning! The file {$tmp_php_filename} was empty. Did not rename to {$php_fname}", 5);
}
@unlink($tmp_php_filename);
} else {
if (!@rename($tmp_php_filename, $php_fname)) {
@unlink($php_fname);
@rename($tmp_php_filename, $php_fname);
}
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Renamed temp supercache file to {$php_fname}", 5);
}
$added_cache = 1;
}
}
if ($gz) {
fclose($gz);
if (filesize($tmp_cache_filename . '.gz') == 0) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Warning! The file {$tmp_cache_filename}.gz was empty. Did not rename to {$cache_fname}.gz", 5);
}
@unlink($tmp_cache_filename . '.gz');
} else {
if (!@rename($tmp_cache_filename . '.gz', $cache_fname . '.gz')) {
@unlink($cache_fname . '.gz');
@rename($tmp_cache_filename . '.gz', $cache_fname . '.gz');
}
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Renamed temp supercache gz file to {$cache_fname}.gz", 5);
}
$added_cache = 1;
}
}
}
if ($added_cache && isset($wp_supercache_cache_list) && $wp_supercache_cache_list) {
update_option('wpsupercache_count', get_option('wpsupercache_count') + 1);
$last_urls = (array) get_option('supercache_last_cached');
if (count($last_urls) >= 10) {
$last_urls = array_slice($last_urls, 1, 9);
}
$last_urls[] = array('url' => $_SERVER['REQUEST_URI'], 'date' => date('Y-m-d H:i:s'));
update_option('supercache_last_cached', $last_urls);
}
wp_cache_writers_exit();
if (!headers_sent() && $wp_cache_gzip_encoding && $gzdata) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Writing gzip content headers. Sending buffer to browser", 5);
}
header('Content-Encoding: ' . $wp_cache_gzip_encoding);
header('Vary: Accept-Encoding, Cookie');
header('Content-Length: ' . $gzsize);
return $gzdata;
} else {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Sending buffer to browser", 5);
}
return $buffer;
}
}
function wp_cache_get_ob(&$buffer)
{
global $cache_enabled, $cache_path, $cache_filename, $meta_file, $wp_start_time, $supercachedir;
global $new_cache, $wp_cache_meta, $file_expired, $blog_id, $cache_compression;
global $wp_cache_gzip_encoding, $super_cache_enabled, $cached_direct_pages;
global $wp_cache_404, $gzsize, $supercacheonly;
global $blog_cache_dir, $wp_cache_request_uri, $wp_supercache_cache_list;
global $wp_cache_not_logged_in, $wp_cache_object_cache, $cache_max_time;
global $wp_cache_is_home, $wp_cache_front_page_checks, $wp_cache_mfunc_enabled;
if (isset($wp_cache_mfunc_enabled) == false) {
$wp_cache_mfunc_enabled = 0;
}
$new_cache = true;
$wp_cache_meta = '';
/* Mode paranoic, check for closing tags
* we avoid caching incomplete files */
if ($buffer == '') {
$new_cache = false;
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Buffer is blank. Output buffer may have been corrupted by another plugin or this is a redirected URL. Look for text 'ob_start' in the files of your plugins directory.", 2);
wp_cache_add_to_buffer($buffer, "Page not cached by WP Super Cache. Blank Page. Check output buffer usage by plugins.");
}
}
if ($wp_cache_404 && false == apply_filters('wpsupercache_404', false)) {
$new_cache = false;
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("404 file not found not cached", 2);
wp_cache_add_to_buffer($buffer, "Page not cached by WP Super Cache. 404.");
}
}
if (!preg_match(apply_filters('wp_cache_eof_tags', '/(<\\/html>|<\\/rss>|<\\/feed>|<\\/urlset|<\\?xml)/i'), $buffer)) {
$new_cache = false;
if (false === strpos($_SERVER['REQUEST_URI'], 'robots.txt')) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("No closing html tag. Not caching.", 2);
wp_cache_add_to_buffer($buffer, "Page not cached by WP Super Cache. No closing HTML tag. Check your theme.");
}
} else {
wp_cache_debug("robots.txt detected. Not caching.", 2);
}
}
if (!$new_cache) {
return wp_cache_maybe_dynamic($buffer);
}
$duration = wp_cache_microtime_diff($wp_start_time, microtime());
$duration = sprintf("%0.3f", $duration);
wp_cache_add_to_buffer($buffer, "Dynamic page generated in {$duration} seconds.");
if (!wp_cache_writers_entry()) {
wp_cache_add_to_buffer($buffer, "Page not cached by WP Super Cache. Could not get mutex lock.");
wp_cache_debug("Could not get mutex lock. Not caching.", 1);
return wp_cache_maybe_dynamic($buffer);
}
if ($wp_cache_not_logged_in && is_feed()) {
wp_cache_debug("Feed detected. Writing legacy cache files.", 5);
$wp_cache_not_logged_in = false;
}
$home_url = parse_url(trailingslashit(get_bloginfo('url')));
$dir = get_current_url_supercache_dir();
$supercachedir = $cache_path . 'supercache/' . preg_replace('/:.*$/', '', $home_url['host']);
if (!empty($_GET) || is_feed() || $super_cache_enabled == true && is_dir(substr($supercachedir, 0, -1) . '.disabled')) {
wp_cache_debug("Supercache disabled: GET or feed detected or disabled by config.", 2);
$super_cache_enabled = false;
}
$tmp_wpcache_filename = $cache_path . uniqid(mt_rand(), true) . '.tmp';
$supercacheonly = false;
if ($super_cache_enabled) {
if (wp_cache_get_cookies_values() == '' && empty($_GET)) {
wp_cache_debug("Anonymous user detected. Only creating Supercache file.", 3);
$supercacheonly = true;
}
}
$cache_error = '';
if ($wp_cache_not_logged_in && wp_cache_get_cookies_values() != '') {
$super_cache_enabled = false;
$cache_enabled = false;
$cache_error = 'Not caching requests by known users. (See Advanced Settings page)';
wp_cache_debug('Not caching for known user.', 5);
}
if ($wp_cache_object_cache) {
// half on mode when using the object cache
if (wp_cache_get_cookies_values() != '') {
$cache_enabled = false;
$cache_error = 'Known User and using object. Only anonymous users cached.';
}
$super_cache_enabled = false;
$supercacheonly = false;
wp_cache_init();
// PHP5 destroys objects during shutdown
}
if (!$cache_enabled) {
wp_cache_debug('Cache is not enabled. Sending buffer to browser.', 5);
wp_cache_writers_exit();
wp_cache_add_to_buffer($buffer, "Page not cached by WP Super Cache. Check your settings page. {$cache_error}");
if ($wp_cache_mfunc_enabled == 1) {
global $wp_super_cache_late_init;
if (false == isset($wp_super_cache_late_init) || isset($wp_super_cache_late_init) && $wp_super_cache_late_init == 0) {
wp_cache_add_to_buffer($buffer, 'Super Cache dynamic page detected but $wp_super_cache_late_init not set. See the readme.txt for further details.');
}
}
return wp_cache_maybe_dynamic($buffer);
}
if (@is_dir($dir) == false) {
@wp_mkdir_p($dir);
}
$fr = $fr2 = $gz = false;
// Open wp-cache cache file
if (false == $wp_cache_object_cache) {
if (!$supercacheonly) {
$fr = @fopen($tmp_wpcache_filename, 'w');
if (!$fr) {
wp_cache_debug("Error. Supercache could not write to " . str_replace(ABSPATH, '', $cache_path) . $cache_filename, 1);
wp_cache_add_to_buffer($buffer, "File not cached! Super Cache Couldn't write to: " . str_replace(ABSPATH, '', $cache_path) . $cache_filename);
wp_cache_writers_exit();
return wp_cache_maybe_dynamic($buffer);
}
} else {
$user_info = wp_cache_get_cookies_values();
$do_cache = apply_filters('do_createsupercache', $user_info);
if ($super_cache_enabled && ($user_info == '' || $do_cache === true)) {
$cache_fname = $dir . supercache_filename();
$tmp_cache_filename = $dir . uniqid(mt_rand(), true) . '.tmp';
$fr2 = @fopen($tmp_cache_filename, 'w');
if (!$fr2) {
wp_cache_debug("Error. Supercache could not write to " . str_replace(ABSPATH, '', $tmp_cache_filename), 1);
wp_cache_add_to_buffer($buffer, "File not cached! Super Cache Couldn't write to: " . str_replace(ABSPATH, '', $tmp_cache_filename));
@fclose($fr);
@unlink($tmp_wpcache_filename);
wp_cache_writers_exit();
return wp_cache_maybe_dynamic($buffer);
} elseif ((!isset($wp_cache_mfunc_enabled) || $wp_cache_mfunc_enabled == 0) && $cache_compression) {
// don't want to store compressed files if using dynamic content
$gz = @fopen($tmp_cache_filename . ".gz", 'w');
if (!$gz) {
wp_cache_debug("Error. Supercache could not write to " . str_replace(ABSPATH, '', $tmp_cache_filename) . ".gz", 1);
wp_cache_add_to_buffer($buffer, "File not cached! Super Cache Couldn't write to: " . str_replace(ABSPATH, '', $tmp_cache_filename) . ".gz");
@fclose($fr);
@unlink($tmp_wpcache_filename);
@fclose($fr2);
@unlink($tmp_cache_filename);
wp_cache_writers_exit();
return wp_cache_maybe_dynamic($buffer);
}
}
}
}
}
$added_cache = 0;
$oc_key = get_oc_key();
$buffer = apply_filters('wpsupercache_buffer', $buffer);
wp_cache_append_tag($buffer);
/*
* Dynamic content enabled: write the buffer to a file and then process any templates found using
* the wpsc_cachedata filter. Buffer is then returned to the visitor.
*/
if ($wp_cache_mfunc_enabled == 1) {
if (preg_match('/<!--mclude|<!--mfunc|<!--dynamic-cached-content-->/', $buffer)) {
//Dynamic content
wp_cache_debug("mfunc/mclude/dynamic-cached-content tags have been retired. Please update your theme. See docs for updates.");
wp_cache_add_to_buffer($buffer, "Warning! Obsolete mfunc/mclude/dynamic-cached-content tags found. Please update your theme. See http://ocaoimh.ie/y/5b for more information.");
}
global $wp_super_cache_late_init;
if (false == isset($wp_super_cache_late_init) || isset($wp_super_cache_late_init) && $wp_super_cache_late_init == 0) {
wp_cache_add_to_buffer($buffer, 'Super Cache dynamic page detected but late init not set. See the readme.txt for further details.');
}
if ($fr) {
// legacy caching
wp_cache_debug("Writing dynamic buffer to legacy file.");
wp_cache_add_to_buffer($buffer, "Dynamic Legacy Super Cache");
fputs($fr, $buffer);
} elseif (isset($fr2)) {
// supercache active
wp_cache_debug("Writing dynamic buffer to supercache file.");
wp_cache_add_to_buffer($buffer, "Dynamic Super Cache");
fputs($fr2, $buffer);
} elseif (true == $wp_cache_object_cache) {
wp_cache_set($oc_key, $buffer, 'supercache', $cache_max_time);
}
$wp_cache_meta['dynamic'] = true;
if (do_cacheaction('wpsc_cachedata_safety', 0) === 1) {
$buffer = do_cacheaction('wpsc_cachedata', $buffer);
}
// dynamic content for display
if ($cache_compression && $wp_cache_gzip_encoding) {
wp_cache_debug("Gzipping dynamic buffer for display.", 5);
wp_cache_add_to_buffer($buffer, "Compression = gzip");
$gzdata = gzencode($buffer, 6, FORCE_GZIP);
$gzsize = function_exists('mb_strlen') ? mb_strlen($gzdata, '8bit') : strlen($gzdata);
}
} else {
if ($gz || $wp_cache_gzip_encoding) {
wp_cache_debug("Gzipping buffer.", 5);
wp_cache_add_to_buffer($buffer, "Compression = gzip");
$gzdata = gzencode($buffer, 6, FORCE_GZIP);
$gzsize = function_exists('mb_strlen') ? mb_strlen($gzdata, '8bit') : strlen($gzdata);
$wp_cache_meta['headers']['Content-Encoding'] = 'Content-Encoding: ' . $wp_cache_gzip_encoding;
$wp_cache_meta['headers']['Vary'] = 'Vary: Accept-Encoding, Cookie';
// Return uncompressed data & store compressed for later use
if ($fr) {
wp_cache_debug("Writing gzipped buffer to wp-cache cache file.", 5);
fputs($fr, $gzdata);
} elseif ($cache_enabled && $wp_cache_object_cache) {
wp_cache_set($oc_key . ".gz", $gzdata, 'supercache', $cache_max_time);
$added_cache = 1;
}
} else {
// no compression
$wp_cache_meta['headers']['Vary'] = 'Vary: Cookie';
if ($cache_enabled && $wp_cache_object_cache) {
wp_cache_set($oc_key, $buffer, 'supercache', $cache_max_time);
$added_cache = 1;
} elseif ($fr) {
wp_cache_debug("Writing non-gzipped buffer to wp-cache cache file.");
fputs($fr, $buffer);
}
}
if ($fr2) {
wp_cache_debug("Writing non-gzipped buffer to supercache file.");
wp_cache_add_to_buffer($buffer, "super cache");
fputs($fr2, $buffer);
}
if (isset($gzdata) && $gz) {
wp_cache_debug("Writing gzipped buffer to supercache file.");
fwrite($gz, $gzdata);
}
}
$new_cache = true;
if (false == $wp_cache_object_cache) {
if ($fr) {
$supercacheonly = false;
fclose($fr);
if (filesize($tmp_wpcache_filename) == 0) {
wp_cache_debug("Warning! The file {$tmp_wpcache_filename} was empty. Did not rename to {$blog_cache_dir}{$cache_filename}", 5);
@unlink($tmp_wpcache_filename);
} else {
if (!@rename($tmp_wpcache_filename, $blog_cache_dir . $cache_filename)) {
if (false == is_dir($blog_cache_dir)) {
@wp_mkdir_p($blog_cache_dir);
}
@unlink($blog_cache_dir . $cache_filename);
@rename($tmp_wpcache_filename, $blog_cache_dir . $cache_filename);
}
wp_cache_debug("Renamed temp wp-cache file to {$blog_cache_dir}{$cache_filename}", 5);
$added_cache = 1;
}
}
if ($fr2) {
fclose($fr2);
if ($wp_cache_front_page_checks && $cache_fname == $supercachedir . $home_url['path'] . supercache_filename() && !$wp_cache_is_home) {
wp_cache_writers_exit();
wp_cache_debug("Warning! Not writing another page to front page cache.", 1);
return $buffer;
} elseif (filesize($tmp_cache_filename) == 0) {
wp_cache_debug("Warning! The file {$tmp_cache_filename} was empty. Did not rename to {$cache_fname}", 5);
@unlink($tmp_cache_filename);
} else {
if (!@rename($tmp_cache_filename, $cache_fname)) {
@unlink($cache_fname);
@rename($tmp_cache_filename, $cache_fname);
}
wp_cache_debug("Renamed temp supercache file to {$cache_fname}", 5);
$added_cache = 1;
}
}
if ($gz) {
fclose($gz);
if (filesize($tmp_cache_filename . '.gz') == 0) {
wp_cache_debug("Warning! The file {$tmp_cache_filename}.gz was empty. Did not rename to {$cache_fname}.gz", 5);
@unlink($tmp_cache_filename . '.gz');
} else {
if (!@rename($tmp_cache_filename . '.gz', $cache_fname . '.gz')) {
@unlink($cache_fname . '.gz');
@rename($tmp_cache_filename . '.gz', $cache_fname . '.gz');
}
wp_cache_debug("Renamed temp supercache gz file to {$cache_fname}.gz", 5);
$added_cache = 1;
}
}
}
if ($added_cache && isset($wp_supercache_cache_list) && $wp_supercache_cache_list) {
update_option('wpsupercache_count', get_option('wpsupercache_count') + 1);
$last_urls = (array) get_option('supercache_last_cached');
if (count($last_urls) >= 10) {
$last_urls = array_slice($last_urls, 1, 9);
}
$last_urls[] = array('url' => preg_replace('/[ <>\'\\"\\r\\n\\t\\(\\)]/', '', $_SERVER['REQUEST_URI']), 'date' => date('Y-m-d H:i:s'));
update_option('supercache_last_cached', $last_urls);
}
wp_cache_writers_exit();
if (!headers_sent() && $wp_cache_gzip_encoding && $gzdata) {
wp_cache_debug("Writing gzip content headers. Sending buffer to browser", 5);
header('Content-Encoding: ' . $wp_cache_gzip_encoding);
header('Vary: Accept-Encoding, Cookie');
header('Content-Length: ' . $gzsize);
return $gzdata;
} else {
wp_cache_debug("Sending buffer to browser", 5);
return $buffer;
}
}
