' . __( 'Permlink Structure Error', 'wp-super-cache' ) . '

'; echo "

" . __( 'A custom url or permalink structure is required for this plugin to work correctly. Please go to the Permalinks Options Page to configure your permalinks.' ) . "

"; echo '

Troubleshooting section of the readme.txt', 'wp-super-cache' ), 'http://wordpress.org/plugins/wp-super-cache/faq/' ); ?>

Warning! wp-cron.php not found!

Troubleshooting section of the readme.txt', 'wp-super-cache' ), 'http://wordpress.org/plugins/wp-super-cache/faq/' ); ?>

this page for instructions on modifying your php.ini.', 'wp-super-cache' ); ?>

%s/wp-cache-config.php and cannot be modified. That file must be writeable by the web server to make any changes.', 'wp-super-cache' ), WP_CONTENT_DIR ); ?>

This page explains how to change file permissions.', 'wp-super-cache' ); ?>

chmod 666 /wp-cache-config.php chmod 644 /wp-cache-config.php

this form to enable it.', 'wp-super-cache' ); ?>

' />

chmod 755 /

This page explains how to change file permissions.', 'wp-super-cache' ); ?>

' />

2. Update Mod_Rewrite Rules button.', 'wp-super-cache' ); ?>
3. # BEGIN WPSuperCache and # END WPSuperCache and let the plugin regenerate them by reloading this page.', 'wp-super-cache' ), $home_path ); ?>
4. # BEGIN WPSuperCache and # END WPSuperCache. There are two sections that look very similar. Just below the line %%{HTTP:Cookie} !^.*(comment_author_|%s|wp-postpass_).*$ add these lines: (do it twice, once for each section)', 'wp-super-cache' ), $home_path, wpsc_get_logged_in_cookie() ); ?>

Update Mod_Rewrite Rules button.', 'wp-super-cache' ); ?>

"; foreach( $missing_mods as $req => $desc ) { echo "

$req - $desc

"; } echo ""; echo "

here. Unfortunately, WordPress writes to the .htaccess in the install directory, not where your site is served from.
When you update the rewrite rules in this plugin you will have to copy the file to where your site is hosted. This will be fixed in the future.', 'wp-super-cache' ); ?>

' />

' . __( "Warning! You attempted to enable compression but zlib.output_compression is enabled. See #21 in the Troubleshooting section of the readme file.", 'wp-super-cache' ) . '

" . esc_html( $rules ) . "

# BEGIN WPSuperCache\n" . esc_html( $rules ) . "# END WPSuperCache

# BEGIN supercache\n" . esc_html( $gziprules ) . "# END supercache

<!-- Dynamic page generated in 0.450 seconds. -->
<!-- Cached page generated by WP-Super-Cache on " . date( "Y-m-d H:i:s", time() ) . " -->
<!-- super cache -->

' . __( 'Warning', 'wp-super-cache' ) . "! " . sprintf( __( 'Could not update %s! WPCACHEHOME must be set in config file.', 'wp-super-cache' ), $global_config_file ) . "

"; return false; } $ret = true; $file = file_get_contents( $wp_cache_file ); $fp = @fopen( $wp_cache_link, 'w' ); if( $fp ) { fputs( $fp, $file ); fclose( $fp ); } else { $ret = false; } return $ret; } function wp_cache_check_link() { global $wp_cache_link, $wp_cache_file; $ret = true; if( file_exists($wp_cache_link) ) { $file = file_get_contents( $wp_cache_link ); if( strpos( $file, "WP SUPER CACHE 0.8.9.1" ) || strpos( $file, "WP SUPER CACHE 1.2" ) ) { return true; } else { if( !@unlink($wp_cache_link) ) { $ret = false; } else { $ret = wp_cache_create_advanced_cache(); } } } else { $ret = wp_cache_create_advanced_cache(); } if( false == $ret ) { echo '"; return false; } return true; } function wp_cache_check_global_config() { global $wp_cache_check_wp_config; if ( !isset( $wp_cache_check_wp_config ) ) return true; if ( file_exists( ABSPATH . 'wp-config.php') ) { $global = ABSPATH . 'wp-config.php'; } else { $global = dirname(ABSPATH) . '/wp-config.php'; } $line = 'define(\'WP_CACHE\', true);'; if (!is_writeable_ACLSafe($global) || !wp_cache_replace_line('define *\( *\'WP_CACHE\'', $line, $global) ) { if ( defined( 'WP_CACHE' ) && constant( 'WP_CACHE' ) == false ) { echo '"; } else { echo "

" . __( "Error: WP_CACHE is not enabled in your wp-config.php file and I couldn’t modify it.", 'wp-super-cache' ) . "

";; echo "

" . sprintf( __( "Edit %s and add the following line:
define('WP_CACHE', true);
Otherwise, WP-Cache will not be executed by WordPress core. ", 'wp-super-cache' ), $global ) . "

"; } return false; } else { echo ""; } return true; } function wp_cache_files() { global $cache_path, $file_prefix, $cache_max_time, $valid_nonce, $supercachedir, $cache_enabled, $super_cache_enabled, $blog_cache_dir, $cache_compression; global $wp_cache_object_cache, $wp_cache_preload_on; if ( '/' != substr($cache_path, -1)) { $cache_path .= '/'; } if ( $valid_nonce ) { if(isset($_REQUEST['wp_delete_cache'])) { wp_cache_clean_cache($file_prefix); $_GET[ 'action' ] = 'regenerate_cache_stats'; } if ( isset( $_REQUEST[ 'wp_delete_all_cache' ] ) ) { wp_cache_clean_cache( $file_prefix, true ); $_GET[ 'action' ] = 'regenerate_cache_stats'; } if(isset($_REQUEST['wp_delete_expired'])) { wp_cache_clean_expired($file_prefix); $_GET[ 'action' ] = 'regenerate_cache_stats'; } } echo ""; echo '

' . __( 'Cache Contents', 'wp-super-cache' ) . '

'; if ( $wp_cache_object_cache ) { echo "

" . __( "Object cache in use. No cache listing available.", 'wp-super-cache' ) . "

"; wp_cache_delete_buttons(); echo "

"; return false; } $cache_stats = get_option( 'supercache_stats' ); if ( !is_array( $cache_stats ) || ( isset( $_GET[ 'listfiles' ] ) ) || ( $valid_nonce && array_key_exists('action', $_GET) && $_GET[ 'action' ] == 'regenerate_cache_stats' ) ) { $list_files = false; // it doesn't list supercached files, and removing single pages is buggy $count = 0; $expired = 0; $now = time(); if ( ( $handle = @opendir( $blog_cache_dir ) ) ) { $wp_cache_fsize = 0; if ( $valid_nonce && isset( $_GET[ 'action' ] ) && $_GET[ 'action' ] == 'deletewpcache' ) { $deleteuri = wpsc_deep_replace( array( '..', '\\', 'index.php' ), preg_replace( '/[ <>\'\"\r\n\t\(\)]/', '', base64_decode( $_GET[ 'uri' ] ) ) ); } else { $deleteuri = ''; } if ( $valid_nonce && isset( $_GET[ 'action' ] ) && $_GET[ 'action' ] == 'deletesupercache' ) { $supercacheuri = wpsc_deep_replace( array( '..', '\\', 'index.php' ), preg_replace( '/[ <>\'\"\r\n\t\(\)]/', '', preg_replace("/(\?.*)?$/", '', base64_decode( $_GET[ 'uri' ] ) ) ) ); $supercacheuri = trailingslashit( realpath( $cache_path . 'supercache/' . $supercacheuri ) ); if ( wp_cache_confirm_delete( $supercacheuri ) ) { printf( __( "Deleting supercache file: %s
", 'wp-super-cache' ), $supercacheuri ); @unlink( $supercacheuri . 'index.html' ); @unlink( $supercacheuri . 'index.html.gz' ); prune_super_cache( $supercacheuri . 'page', true ); @rmdir( $supercacheuri ); } } while( false !== ( $file = readdir( $handle ) ) ) { if ( strpos( $file, $file_prefix ) !== false && substr( $file, -4 ) == '.php' ) { if ( false == file_exists( $blog_cache_dir . 'meta/' . $file ) ) { @unlink( $blog_cache_dir . $file ); continue; // meta does not exist } $mtime = filemtime( $blog_cache_dir . 'meta/' . $file ); $fsize = @filesize( $blog_cache_dir . $file ); if ( $fsize > 0 ) $fsize = $fsize - 15; // die() command takes 15 bytes at the start of the file $age = $now - $mtime; if ( $valid_nonce && isset( $_GET[ 'listfiles' ] ) ) { $meta = json_decode( wp_cache_get_legacy_cache( $blog_cache_dir . 'meta/' . $file ), true ); if ( $deleteuri != '' && $meta[ 'uri' ] == $deleteuri ) { printf( __( "Deleting wp-cache file: %s
", 'wp-super-cache' ), esc_html( $deleteuri ) ); @unlink( $blog_cache_dir . 'meta/' . $file ); @unlink( $blog_cache_dir . $file ); continue; } $meta[ 'age' ] = $age; foreach( $meta as $key => $val ) $meta[ $key ] = esc_html( $val ); if ( $cache_max_time > 0 && $age > $cache_max_time ) { $expired_list[ $age ][] = $meta; } else { $cached_list[ $age ][] = $meta; } } if ( $cache_max_time > 0 && $age > $cache_max_time ) { $expired++; } else { $count++; } $wp_cache_fsize += $fsize; $fsize = intval($fsize/1024); } } closedir($handle); } if( $wp_cache_fsize != 0 ) { $wp_cache_fsize = $wp_cache_fsize/1024; } else { $wp_cache_fsize = 0; } if( $wp_cache_fsize > 1024 ) { $wp_cache_fsize = number_format( $wp_cache_fsize / 1024, 2 ) . "MB"; } elseif( $wp_cache_fsize != 0 ) { $wp_cache_fsize = number_format( $wp_cache_fsize, 2 ) . "KB"; } else { $wp_cache_fsize = '0KB'; } // Supercache files $now = time(); $sizes = array( 'expired' => 0, 'expired_list' => array(), 'cached' => 0, 'cached_list' => array(), 'ts' => 0 ); if (is_dir($supercachedir)) { if( $dh = opendir( $supercachedir ) ) { while( ( $entry = readdir( $dh ) ) !== false ) { if ($entry != '.' && $entry != '..') { $sizes = wpsc_dirsize( trailingslashit( $supercachedir ) . $entry, $sizes ); } } closedir($dh); } } else { $filem = @filemtime( $supercachedir ); if ( false == $wp_cache_preload_on && is_file( $supercachedir ) && $cache_max_time > 0 && $filem + $cache_max_time <= $now ) { $sizes[ 'expired' ] ++; if ( $valid_nonce && isset( $_GET[ 'listfiles' ] ) ) $sizes[ 'expired_list' ][ str_replace( $cache_path . 'supercache/' , '', $supercachedir ) ] = $now - $filem; } else { if ( $valid_nonce && isset( $_GET[ 'listfiles' ] ) && $filem ) $sizes[ 'cached_list' ][ str_replace( $cache_path . 'supercache/' , '', $supercachedir ) ] = $now - $filem; } } $sizes[ 'ts' ] = time(); $cache_stats = array( 'generated' => time(), 'supercache' => $sizes, 'wpcache' => array( 'cached' => $count, 'expired' => $expired, 'fsize' => $wp_cache_fsize ) ); update_option( 'supercache_stats', $cache_stats ); } else { echo "

" . __( 'Cache stats are not automatically generated. You must click the link below to regenerate the stats on this page.', 'wp-super-cache' ) . "

"; echo " 'wpsupercache', 'tab' => 'contents', 'action' => 'regenerate_cache_stats' ) ), 'wp-cache' ) . "'>" . __( 'Regenerate cache stats', 'wp-super-cache' ) . ""; if ( is_array( $cache_stats ) ) { echo "

" . sprintf( __( 'Cache stats last generated: %s minutes ago.', 'wp-super-cache' ), number_format( ( time() - $cache_stats[ 'generated' ] ) / 60 ) ) . "

"; } $cache_stats = get_option( 'supercache_stats' ); }// regerate stats cache if ( is_array( $cache_stats ) ) { echo "

" . __( 'WP-Cache', 'wp-super-cache' ) . " ({$cache_stats[ 'wpcache' ][ 'fsize' ]})

"; echo "

• " . sprintf( __( '%s Cached Pages', 'wp-super-cache' ), $cache_stats[ 'wpcache' ][ 'cached' ] ) . "
"; echo "
• " . sprintf( __( '%s Expired Pages', 'wp-super-cache' ), $cache_stats[ 'wpcache' ][ 'expired' ] ) . "

"; $divisor = $cache_compression == 1 ? 2 : 1; if ( array_key_exists('fsize', (array)$cache_stats[ 'supercache' ]) ) $fsize = $cache_stats[ 'supercache' ][ 'fsize' ] / 1024; else $fsize = 0; if( $fsize > 1024 ) { $fsize = number_format( $fsize / 1024, 2 ) . "MB"; } elseif( $fsize != 0 ) { $fsize = number_format( $fsize, 2 ) . "KB"; } else { $fsize = "0KB"; } echo "

" . __( 'WP-Super-Cache', 'wp-super-cache' ) . " ({$fsize})

"; echo "

• " . sprintf( __( '%s Cached Pages', 'wp-super-cache' ), intval( $cache_stats[ 'supercache' ][ 'cached' ] / $divisor ) ) . "
"; if (isset($now) && isset($sizes)) $age = intval(($now - $sizes['ts'])/60); else $age = 0; echo "
• " . sprintf( __( '%s Expired Pages', 'wp-super-cache' ), intval( $cache_stats[ 'supercache' ][ 'expired' ] / $divisor ) ) . "

"; if ( $valid_nonce && array_key_exists('listfiles', $_GET) && $_GET[ 'listfiles' ] ) { echo ""; echo "

" . __( 'Hide file list', 'wp-super-cache' ) . "

"; } elseif ( $cache_stats[ 'supercache' ][ 'cached' ] > 500 || $cache_stats[ 'supercache' ][ 'expired' ] > 500 || ( $cache_stats[ 'wpcache' ][ 'cached' ] / $divisor ) > 500 || ( $cache_stats[ 'wpcache' ][ 'expired' ] / $divisor) > 500 ) { echo "

" . __( 'Too many cached files, no listing possible.', 'wp-super-cache' ) . "

"; } else { echo "

'wpsupercache', 'listfiles' => '1' ) ), 'wp-cache' ) . "#listfiles'>" . __( 'List all cached files', 'wp-super-cache' ) . "

"; } if ( $cache_max_time > 0 ) echo "

" . sprintf( __( 'Expired files are files older than %s seconds. They are still used by the plugin and are deleted periodically.', 'wp-super-cache' ), $cache_max_time ) . "

"; } // cache_stats wp_cache_delete_buttons(); echo ''; } function wp_cache_delete_buttons() { echo '

'; echo ''; echo '

'; wp_nonce_field('wp-cache'); echo "

\n"; echo '

'; echo ''; echo '

'; wp_nonce_field('wp-cache'); echo "

\n"; if ( ( defined( 'VHOST' ) || defined( 'SUBDOMAIN_INSTALL' ) || defined( 'SUNRISE' ) || ( defined( 'WP_ALLOW_MULTISITE' ) && constant( 'WP_ALLOW_MULTISITE' ) == true ) ) && wpsupercache_site_admin() ) { echo '

'; echo ''; echo '

'; wp_nonce_field('wp-cache'); echo "

\n"; } } function delete_cache_dashboard() { if ( false == wpsupercache_site_admin() ) return false; if ( function_exists('current_user_can') && !current_user_can('manage_options') ) return false; echo "

" . __( 'Delete Cache', 'wp-super-cache' ) . "

"; } add_action( 'dashmenu', 'delete_cache_dashboard' ); function wpsc_dirsize($directory, $sizes) { global $cache_max_time, $cache_path, $valid_nonce, $wp_cache_preload_on; $now = time(); if (is_dir($directory)) { if( $dh = opendir( $directory ) ) { while( ( $entry = readdir( $dh ) ) !== false ) { if ($entry != '.' && $entry != '..') { $sizes = wpsc_dirsize( trailingslashit( $directory ) . $entry, $sizes ); } } closedir($dh); } } else { if(is_file($directory) ) { $filem = filemtime( $directory ); if ( $wp_cache_preload_on == false && $cache_max_time > 0 && $filem + $cache_max_time <= $now ) { $sizes[ 'expired' ]+=1; if ( $valid_nonce && $_GET[ 'listfiles' ] ) $sizes[ 'expired_list' ][ $now - $filem ][ str_replace( $cache_path . 'supercache/' , '', str_replace( 'index.html', '', str_replace( 'index.html.gz', '', $directory ) ) ) ] = 1; } else { $sizes[ 'cached' ]+=1; if ( $valid_nonce && array_key_exists('listfiles', $_GET) && $_GET[ 'listfiles' ] ) $sizes[ 'cached_list' ][ $now - $filem ][ str_replace( $cache_path . 'supercache/' , '', str_replace( 'index.html', '', str_replace( 'index.html.gz', '', $directory ) ) ) ] = 1; } if ( ! isset( $sizes[ 'fsize' ] ) ) $sizes[ 'fsize' ] = @filesize( $directory ); else $sizes[ 'fsize' ] += @filesize( $directory ); } } return $sizes; } function wp_cache_clean_cache( $file_prefix, $all = false ) { global $wpdb, $cache_path, $supercachedir, $blog_cache_dir, $wp_cache_object_cache; if ( $wp_cache_object_cache && function_exists( "reset_oc_version" ) ) reset_oc_version(); if ( $all == true && wpsupercache_site_admin() && function_exists( 'prune_super_cache' ) ) { prune_super_cache( $cache_path, true ); return true; } if (function_exists ('prune_super_cache')) { if( is_dir( $supercachedir ) ) { prune_super_cache( $supercachedir, true ); } elseif( is_dir( $supercachedir . '.disabled' ) ) { prune_super_cache( $supercachedir . '.disabled', true ); } $_POST[ 'super_cache_stats' ] = 1; // regenerate super cache stats; } else { wp_cache_debug( 'Warning! prune_super_cache() not found in wp-cache.php', 1 ); } wp_cache_clean_legacy_files( $blog_cache_dir, $file_prefix ); wp_cache_clean_legacy_files( $cache_path, $file_prefix ); } function wp_cache_clean_legacy_files( $dir, $file_prefix ) { global $wpdb; $dir = trailingslashit( $dir ); if ( @is_dir( $dir . 'meta' ) == false ) return false; if ( $handle = @opendir( $dir ) ) { while ( false !== ( $file = readdir( $handle ) ) ) { if ( is_file( $dir . $file ) == false || $file == 'index.html' ) { continue; } if ( strpos( $file, $file_prefix ) !== false ) { if ( strpos( $file, '.html' ) ) { // delete old legacy files immediately @unlink( $dir . $file); @unlink( $dir . 'meta/' . str_replace( '.html', '.meta', $file ) ); } else { $meta = json_decode( wp_cache_get_legacy_cache( $dir . 'meta/' . $file ), true ); if ( ( defined( 'VHOST' ) || defined( 'SUBDOMAIN_INSTALL' ) || defined( 'SUNRISE' ) || ( defined( 'WP_ALLOW_MULTISITE' ) && constant( 'WP_ALLOW_MULTISITE' ) == true ) ) && $meta[ 'blog_id' ] != $wpdb->blogid ) continue; @unlink( $dir . $file); @unlink( $dir . 'meta/' . $file); } } } closedir($handle); } } function wp_cache_clean_expired($file_prefix) { global $cache_path, $cache_max_time, $blog_cache_dir, $wp_cache_preload_on; if ( $cache_max_time == 0 ) { return false; } // If phase2 was compiled, use its function to avoid race-conditions if(function_exists('wp_cache_phase2_clean_expired')) { if ( $wp_cache_preload_on != 1 && function_exists ('prune_super_cache')) { $dir = get_supercache_dir(); if( is_dir( $dir ) ) { prune_super_cache( $dir ); } elseif( is_dir( $dir . '.disabled' ) ) { prune_super_cache( $dir . '.disabled' ); } $_POST[ 'super_cache_stats' ] = 1; // regenerate super cache stats; } return wp_cache_phase2_clean_expired($file_prefix); } $now = time(); if ( $handle = @opendir( $blog_cache_dir ) ) { while ( false !== ( $file = readdir( $handle ) ) ) { if ( strpos( $file, $file_prefix ) !== false ) { if ( strpos( $file, '.html' ) ) { @unlink( $blog_cache_dir . $file); @unlink( $blog_cache_dir . 'meta/' . str_replace( '.html', '.meta', $file ) ); } elseif ( ( filemtime( $blog_cache_dir . $file ) + $cache_max_time ) <= $now ) { @unlink( $blog_cache_dir . $file ); @unlink( $blog_cache_dir . 'meta/' . $file ); } } } closedir($handle); } } function wpsc_remove_marker( $filename, $marker ) { if (!file_exists( $filename ) || is_writeable_ACLSafe( $filename ) ) { if (!file_exists( $filename ) ) { return ''; } else { $markerdata = explode( "\n", implode( '', file( $filename ) ) ); } $f = fopen( $filename, 'w' ); $foundit = false; if ( $markerdata ) { $state = true; foreach ( $markerdata as $n => $markerline ) { if (strpos($markerline, '# BEGIN ' . $marker) !== false) $state = false; if ( $state ) { if ( $n + 1 < count( $markerdata ) ) fwrite( $f, "{$markerline}\n" ); else fwrite( $f, "{$markerline}" ); } if (strpos($markerline, '# END ' . $marker) !== false) { $state = true; } } } return true; } else { return false; } } function wp_super_cache_footer() { ?>

WP Super Cache' ); ?>

is_404 function wp_cache_catch_404() { global $wp_cache_404; $wp_cache_404 = false; if( is_404() ) $wp_cache_404 = true; } add_action( 'template_redirect', 'wp_cache_catch_404' ); function wp_cache_favorite_action( $actions ) { if ( false == wpsupercache_site_admin() ) return $actions; if ( function_exists('current_user_can') && !current_user_can('manage_options') ) return $actions; $actions[ wp_nonce_url( 'options-general.php?page=wpsupercache&wp_delete_cache=1&tab=contents', 'wp-cache' ) ] = array( __( 'Delete Cache', 'wp-super-cache' ), 'manage_options' ); return $actions; } add_filter( 'favorite_actions', 'wp_cache_favorite_action' ); function wp_cache_plugin_notice( $plugin ) { global $cache_enabled; if( $plugin == 'wp-super-cache/wp-cache.php' && !$cache_enabled && function_exists( "admin_url" ) ) echo '' . sprintf( __( 'WP Super Cache must be configured. Go to the admin page to enable and configure the plugin.' ), admin_url( 'options-general.php?page=wpsupercache' ) ) . ''; } add_action( 'after_plugin_row', 'wp_cache_plugin_notice' ); function wp_cache_plugin_actions( $links, $file ) { if( $file == 'wp-super-cache/wp-cache.php' && function_exists( "admin_url" ) ) { $settings_link = '' . __('Settings') . ''; array_unshift( $links, $settings_link ); // before other links } return $links; } add_filter( 'plugin_action_links', 'wp_cache_plugin_actions', 10, 2 ); function wp_cache_admin_notice() { global $cache_enabled, $wp_cache_phase1_loaded; if( substr( $_SERVER["PHP_SELF"], -11 ) == 'plugins.php' && !$cache_enabled && function_exists( "admin_url" ) ) echo ''; if ( defined( 'WP_CACHE' ) && WP_CACHE == true && ( defined( 'ADVANCEDCACHEPROBLEM' ) || ( $cache_enabled && false == isset( $wp_cache_phase1_loaded ) ) ) ) { echo ''; wp_cache_create_advanced_cache(); } } add_action( 'admin_notices', 'wp_cache_admin_notice' ); function wp_cache_check_site() { global $wp_super_cache_front_page_check, $wp_super_cache_front_page_clear, $wp_super_cache_front_page_text, $wp_super_cache_front_page_notification, $wpdb; if ( !isset( $wp_super_cache_front_page_check ) || ( isset( $wp_super_cache_front_page_check ) && $wp_super_cache_front_page_check == 0 ) ) { return false; } if ( function_exists( "wp_remote_get" ) == false ) { return false; } $front_page = wp_remote_get( site_url(), array('timeout' => 60, 'blocking' => true ) ); if( is_array( $front_page ) ) { // Check for gzipped front page if ( $front_page[ 'headers' ][ 'content-type' ] == 'application/x-gzip' ) { if ( !isset( $wp_super_cache_front_page_clear ) || ( isset( $wp_super_cache_front_page_clear ) && $wp_super_cache_front_page_clear == 0 ) ) { wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is gzipped! Please clear cache!', 'wp-super-cache' ), home_url() ), sprintf( __( "Please visit %s to clear the cache as the front page of your site is now downloading!", 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ) ) ); } else { wp_cache_clear_cache( $wpdb->blogid ); wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is gzipped! Cache Cleared!', 'wp-super-cache' ), home_url() ), sprintf( __( "The cache on your blog has been cleared because the front page of your site is now downloading. Please visit %s to verify the cache has been cleared.", 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ) ) ); } } // Check for broken front page if ( isset( $wp_super_cache_front_page_text ) && $wp_super_cache_front_page_text != '' && false === strpos( $front_page[ 'body' ], $wp_super_cache_front_page_text ) ) { if ( !isset( $wp_super_cache_front_page_clear ) || ( isset( $wp_super_cache_front_page_clear ) && $wp_super_cache_front_page_clear == 0 ) ) { wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is not correct! Please clear cache!', 'wp-super-cache' ), home_url() ), sprintf( __( 'Please visit %1$s to clear the cache as the front page of your site is not correct and missing the text, "%2$s"!', 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ), $wp_super_cache_front_page_text ) ); } else { wp_cache_clear_cache( $wpdb->blogid ); wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is not correct! Cache Cleared!', 'wp-super-cache' ), home_url() ), sprintf( __( 'The cache on your blog has been cleared because the front page of your site is missing the text "%2$s". Please visit %1$s to verify the cache has been cleared.', 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ), $wp_super_cache_front_page_text ) ); } } } if ( isset( $wp_super_cache_front_page_notification ) && $wp_super_cache_front_page_notification == 1 ) { wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page check!', 'wp-super-cache' ), home_url() ), sprintf( __( "WP Super Cache has checked the front page of your blog. Please visit %s if you would like to disable this.", 'wp-super-cache' ) . "\n\n", admin_url( 'options-general.php?page=wpsupercache' ) ) ); } if ( !wp_next_scheduled( 'wp_cache_check_site_hook' ) ) { wp_schedule_single_event( time() + 360 , 'wp_cache_check_site_hook' ); wp_cache_debug( 'scheduled wp_cache_check_site_hook for 360 seconds time.', 2 ); } } add_action( 'wp_cache_check_site_hook', 'wp_cache_check_site' ); function update_cached_mobile_ua_list( $mobile_browsers, $mobile_prefixes = 0, $mobile_groups = 0 ) { global $wp_cache_config_file, $wp_cache_mobile_browsers, $wp_cache_mobile_prefixes, $wp_cache_mobile_groups; if ( is_array( $mobile_browsers ) ) { $wp_cache_mobile_browsers = $mobile_browsers; wp_cache_replace_line('^ *\$wp_cache_mobile_browsers', "\$wp_cache_mobile_browsers = '" . implode( ', ', $mobile_browsers ) . "';", $wp_cache_config_file); } if ( is_array( $mobile_prefixes ) ) { $wp_cache_mobile_prefixes = $mobile_prefixes; wp_cache_replace_line('^ *\$wp_cache_mobile_prefixes', "\$wp_cache_mobile_prefixes = '" . implode( ', ', $mobile_prefixes ) . "';", $wp_cache_config_file); } if ( is_array( $mobile_groups ) ) { $wp_cache_mobile_groups = $mobile_groups; wp_cache_replace_line('^ *\$wp_cache_mobile_groups', "\$wp_cache_mobile_groups = '" . implode( ', ', $mobile_groups ) . "';", $wp_cache_config_file); } return true; } function wpsc_update_htaccess() { extract( wpsc_get_htaccess_info() ); wpsc_remove_marker( $home_path.'.htaccess', 'WordPress' ); // remove original WP rules so SuperCache rules go on top if( insert_with_markers( $home_path.'.htaccess', 'WPSuperCache', explode( "\n", $rules ) ) && insert_with_markers( $home_path.'.htaccess', 'WordPress', explode( "\n", $wprules ) ) ) { return true; } else { return false; } } function wpsc_update_htaccess_form( $short_form = true ) { global $wpmu_version; extract( wpsc_get_htaccess_info() ); if( !is_writeable_ACLSafe( $home_path . ".htaccess" ) ) { echo ""; } else { if ( $short_form == false ) { echo "\n"; } } } /* * Return LOGGED_IN_COOKIE if it doesn't begin with wordpress_logged_in * to avoid having people update their .htaccess file */ function wpsc_get_logged_in_cookie() { $logged_in_cookie = 'wordpress_logged_in'; if ( defined( 'LOGGED_IN_COOKIE' ) && substr( constant( 'LOGGED_IN_COOKIE' ), 0, 19 ) != 'wordpress_logged_in' ) $logged_in_cookie = constant( 'LOGGED_IN_COOKIE' ); return $logged_in_cookie; } function wpsc_get_htaccess_info() { global $wp_cache_mobile_enabled, $wp_cache_mobile_prefixes, $wp_cache_mobile_browsers, $wp_cache_disable_utf8; if ( isset( $_SERVER[ "PHP_DOCUMENT_ROOT" ] ) ) { $document_root = $_SERVER[ "PHP_DOCUMENT_ROOT" ]; $apache_root = $_SERVER[ "PHP_DOCUMENT_ROOT" ]; } else { $document_root = $_SERVER[ "DOCUMENT_ROOT" ]; $apache_root = '%{DOCUMENT_ROOT}'; } $content_dir_root = $document_root; if ( strpos( $document_root, '/kunden/homepages/' ) === 0 ) { // http://wordpress.org/support/topic/plugin-wp-super-cache-how-to-get-mod_rewrite-working-on-1and1-shared-hosting?replies=1 // On 1and1, PHP's directory structure starts with '/homepages'. The // Apache directory structure has an extra '/kunden' before it. // Also 1and1 does not support the %{DOCUMENT_ROOT} variable in // .htaccess files. // This prevents the $inst_root from being calculated correctly and // means that the $apache_root is wrong. // // e.g. This is an example of how Apache and PHP see the directory // structure on 1and1: // Apache: /kunden/homepages/xx/dxxxxxxxx/htdocs/site1/index.html // PHP: /homepages/xx/dxxxxxxxx/htdocs/site1/index.html // Here we fix up the paths to make mode_rewrite work on 1and1 shared hosting. $content_dir_root = substr( $content_dir_root, 7 ); $apache_root = $document_root; } $home_path = get_home_path(); $home_root = parse_url(get_bloginfo('url')); $home_root = isset( $home_root['path'] ) ? trailingslashit( $home_root['path'] ) : '/'; $home_root_lc = str_replace( '//', '/', strtolower( $home_root ) ); $inst_root = str_replace( '//', '/', '/' . trailingslashit( str_replace( $content_dir_root, '', str_replace( '\\', '/', WP_CONTENT_DIR ) ) ) ); $wprules = implode( "\n", extract_from_markers( $home_path.'.htaccess', 'WordPress' ) ); $wprules = str_replace( "RewriteEngine On\n", '', $wprules ); $wprules = str_replace( "RewriteBase $home_root\n", '', $wprules ); $scrules = implode( "\n", extract_from_markers( $home_path.'.htaccess', 'WPSuperCache' ) ); if( substr( get_option( 'permalink_structure' ), -1 ) == '/' ) { $condition_rules[] = "RewriteCond %{REQUEST_URI} !^.*[^/]$"; $condition_rules[] = "RewriteCond %{REQUEST_URI} !^.*//.*$"; } $condition_rules[] = "RewriteCond %{REQUEST_METHOD} !POST"; $condition_rules[] = "RewriteCond %{QUERY_STRING} !.*=.*"; $condition_rules[] = "RewriteCond %{HTTP:Cookie} !^.*(comment_author_|" . wpsc_get_logged_in_cookie() . "|wp-postpass_).*$"; $condition_rules[] = "RewriteCond %{HTTP:X-Wap-Profile} !^[a-z0-9\\\"]+ [NC]"; $condition_rules[] = "RewriteCond %{HTTP:Profile} !^[a-z0-9\\\"]+ [NC]"; if ( $wp_cache_mobile_enabled ) { if ( false == empty( $wp_cache_mobile_browsers ) ) $condition_rules[] = "RewriteCond %{HTTP_USER_AGENT} !^.*(" . addcslashes( implode( '|', $wp_cache_mobile_browsers ), ' ' ) . ").* [NC]"; if ( false == empty( $wp_cache_mobile_prefixes ) ) $condition_rules[] = "RewriteCond %{HTTP_user_agent} !^(" . addcslashes( implode( '|', $wp_cache_mobile_prefixes ), ' ' ) . ").* [NC]"; } $condition_rules = apply_filters( 'supercacherewriteconditions', $condition_rules ); $rules = "\n"; $rules .= "RewriteEngine On\n"; $rules .= "RewriteBase $home_root\n"; // props Chris Messina $rules .= "#If you serve pages from behind a proxy you may want to change 'RewriteCond %{HTTPS} on' to something more sensible\n"; if ( isset( $wp_cache_disable_utf8 ) == false || $wp_cache_disable_utf8 == 0 ) { $charset = get_option('blog_charset') == '' ? 'UTF-8' : get_option('blog_charset'); $rules .= "AddDefaultCharset {$charset}\n"; } $rules .= "CONDITION_RULES"; $rules .= "RewriteCond %{HTTP:Accept-Encoding} gzip\n"; $rules .= "RewriteCond %{HTTPS} on\n"; $rules .= "RewriteCond {$apache_root}{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index-https.html.gz -f\n"; $rules .= "RewriteRule ^(.*) \"{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index-https.html.gz\" [L]\n\n"; $rules .= "CONDITION_RULES"; $rules .= "RewriteCond %{HTTP:Accept-Encoding} gzip\n"; $rules .= "RewriteCond %{HTTPS} !on\n"; $rules .= "RewriteCond {$apache_root}{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index.html.gz -f\n"; $rules .= "RewriteRule ^(.*) \"{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index.html.gz\" [L]\n\n"; $rules .= "CONDITION_RULES"; $rules .= "RewriteCond %{HTTPS} on\n"; $rules .= "RewriteCond {$apache_root}{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index-https.html -f\n"; $rules .= "RewriteRule ^(.*) \"{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index-https.html\" [L]\n\n"; $rules .= "CONDITION_RULES"; $rules .= "RewriteCond %{HTTPS} !on\n"; $rules .= "RewriteCond {$apache_root}{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index.html -f\n"; $rules .= "RewriteRule ^(.*) \"{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index.html\" [L]\n"; $rules .= "\n"; $rules = apply_filters( 'supercacherewriterules', $rules ); $rules = str_replace( "CONDITION_RULES", implode( "\n", $condition_rules ) . "\n", $rules ); $gziprules = "\n \n ForceType text/html\n FileETag None\n \n AddEncoding gzip .gz\n AddType text/html .gz\n\n"; $gziprules .= "\n SetEnvIfNoCase Request_URI \.gz$ no-gzip\n\n"; $gziprules .= "\n Header set Vary \"Accept-Encoding, Cookie\"\n Header set Cache-Control 'max-age=3, must-revalidate'\n\n"; $gziprules .= "\n ExpiresActive On\n ExpiresByType text/html A3\n\n"; $gziprules .= "Options -Indexes\n"; return array( "document_root" => $document_root, "apache_root" => $apache_root, "home_path" => $home_path, "home_root" => $home_root, "home_root_lc" => $home_root_lc, "inst_root" => $inst_root, "wprules" => $wprules, "scrules" => $scrules, "condition_rules" => $condition_rules, "rules" => $rules, "gziprules" => $gziprules ); } function clear_post_supercache( $post_id ) { $dir = get_current_url_supercache_dir( $post_id ); if ( false == @is_dir( $dir ) ) return false; if ( !function_exists( 'prune_super_cache' ) ) include_once( 'wp-cache-phase2.php' ); wp_cache_debug( "clear_post_supercache: deleting $dir/index*.html files", 2 ); $files_to_check = get_all_supercache_filenames( $dir ); foreach( $files_to_check as $cache_file ) { prune_super_cache( $dir . $cache_file, true ); } } function wp_cron_preload_cache() { global $wpdb, $wp_cache_preload_interval, $wp_cache_preload_posts, $wp_cache_preload_email_me, $wp_cache_preload_email_volume, $cache_path, $wp_cache_preload_taxonomies; if ( get_option( 'preload_cache_stop' ) ) { delete_option( 'preload_cache_stop' ); wp_cache_debug( "wp_cron_preload_cache: preload cancelled", 1 ); return true; } $mutex = $cache_path . "preload_mutex.tmp"; sleep( 3 + mt_rand( 1, 5 ) ); if ( @file_exists( $mutex ) ) { if ( @filemtime( $mutex ) > ( time() - 600 ) ) { wp_cache_debug( "wp_cron_preload_cache: preload mutex found and less than 600 seconds old. Aborting preload.", 1 ); return true; } else { wp_cache_debug( "wp_cron_preload_cache: old preload mutex found and deleted. Preload continues.", 1 ); @unlink( $mutex ); } } $fp = @fopen( $mutex, 'w' ); @fclose( $fp ); $counter = get_option( 'preload_cache_counter' ); if ( is_array( $counter ) == false ) { wp_cache_debug( "wp_cron_preload_cache: setting up preload for the first time!", 5 ); $counter = array( 'c' => 0, 't' => time() ); update_option( 'preload_cache_counter', $counter ); } $c = $counter[ 'c' ]; update_option( 'preload_cache_counter', array( 'c' => ( $c + 100 ), 't' => time() ) ); if ( $wp_cache_preload_email_me && $c == 0 ) wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Cache Preload Started', 'wp-super-cache' ), home_url(), '' ), ' ' ); if ( $wp_cache_preload_posts == 'all' || $c < $wp_cache_preload_posts ) { wp_cache_debug( "wp_cron_preload_cache: doing taxonomy preload.", 5 ); $permalink_counter_msg = $cache_path . "preload_permalink.txt"; if ( isset( $wp_cache_preload_taxonomies ) && $wp_cache_preload_taxonomies ) { $taxonomies = apply_filters( 'wp_cache_preload_taxonomies', array( 'post_tag' => 'tag', 'category' => 'category' ) ); foreach( $taxonomies as $taxonomy => $path ) { $taxonomy_filename = $cache_path . "taxonomy_" . $taxonomy . ".txt"; if ( $c == 0 ) @unlink( $taxonomy_filename ); if ( false == @file_exists( $taxonomy_filename ) ) { $out = ''; $records = get_terms( $taxonomy ); foreach( $records as $term ) { $out .= get_term_link( $term ). "\n"; } $fp = fopen( $taxonomy_filename, 'w' ); if ( $fp ) { fwrite( $fp, $out ); fclose( $fp ); } $details = explode( "\n", $out ); } else { $details = explode( "\n", file_get_contents( $taxonomy_filename ) ); } if ( count( $details ) != 1 && $details[ 0 ] != '' ) { $rows = array_splice( $details, 0, 50 ); if ( $wp_cache_preload_email_me && $wp_cache_preload_email_volume == 'many' ) wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Refreshing %2$s taxonomy from %3$d to %4$d', 'wp-super-cache' ), home_url(), $taxonomy, $c, ($c+100) ), 'Refreshing: ' . print_r( $rows, 1 ) ); foreach( (array)$rows as $url ) { set_time_limit( 60 ); if ( $url == '' ) continue; $url_info = parse_url( $url ); $dir = get_supercache_dir() . $url_info[ 'path' ]; wp_cache_debug( "wp_cron_preload_cache: delete $dir", 5 ); prune_super_cache( $dir ); $fp = @fopen( $permalink_counter_msg, 'w' ); if ( $fp ) { @fwrite( $fp, "$taxonomy: $url" ); @fclose( $fp ); } wp_remote_get( $url, array('timeout' => 60, 'blocking' => true ) ); wp_cache_debug( "wp_cron_preload_cache: fetched $url", 5 ); sleep( 1 ); } $fp = fopen( $taxonomy_filename, 'w' ); if ( $fp ) { fwrite( $fp, implode( "\n", $details ) ); fclose( $fp ); } } } } } if ( $wp_cache_preload_posts == 'all' || $c < $wp_cache_preload_posts ) { $types = get_post_types( array( 'public' => true, 'publicly_queryable' => true ), 'names', 'or' ); $types = array_map( 'esc_sql', $types ); $types = "'" . implode( "','", $types ) . "'"; $posts = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} WHERE ( post_type IN ( $types ) ) AND post_status = 'publish' ORDER BY ID ASC LIMIT $c, 100" ); wp_cache_debug( "wp_cron_preload_cache: got 100 posts from position $c.", 5 ); } else { wp_cache_debug( "wp_cron_preload_cache: no more posts to get. Limit ($wp_cache_preload_posts) reached.", 5 ); $posts = false; } if ( !isset( $wp_cache_preload_email_volume ) ) $wp_cache_preload_email_volume = 'medium'; if ( $posts ) { if ( get_option( 'show_on_front' ) == 'page' ) { $page_on_front = get_option( 'page_on_front' ); $page_for_posts = get_option( 'page_for_posts' ); } else { $page_on_front = $page_for_posts = 0; } if ( $wp_cache_preload_email_me && $wp_cache_preload_email_volume == 'many' ) wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Refreshing posts from %2$d to %3$d', 'wp-super-cache' ), home_url(), $c, ($c+100) ), ' ' ); $msg = ''; $count = $c + 1; $permalink_counter_msg = $cache_path . "preload_permalink.txt"; foreach( $posts as $post_id ) { set_time_limit( 60 ); if ( $page_on_front != 0 && ( $post_id == $page_on_front || $post_id == $page_for_posts ) ) continue; clear_post_supercache( $post_id ); $url = get_permalink( $post_id ); $fp = @fopen( $permalink_counter_msg, 'w' ); if ( $fp ) { @fwrite( $fp, $count . " " . $url ); @fclose( $fp ); } if ( @file_exists( $cache_path . "stop_preload.txt" ) ) { wp_cache_debug( "wp_cron_preload_cache: cancelling preload. stop_preload.txt found.", 5 ); @unlink( $mutex ); @unlink( $cache_path . "stop_preload.txt" ); update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) ); if ( $wp_cache_preload_email_me ) wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Cache Preload Stopped', 'wp-super-cache' ), home_url(), '' ), ' ' ); return true; } $msg .= "$url\n"; wp_remote_get( $url, array('timeout' => 60, 'blocking' => true ) ); wp_cache_debug( "wp_cron_preload_cache: fetched $url", 5 ); sleep( 1 ); $count++; } if ( $wp_cache_preload_email_me && $wp_cache_preload_email_volume != 'less' ) wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] %2$d posts refreshed', 'wp-super-cache' ), home_url(), ($c+100) ), __( "Refreshed the following posts:", 'wp-super-cache' ) . "\n$msg" ); if ( defined( 'DOING_CRON' ) ) { wp_cache_debug( "wp_cron_preload_cache: scheduling the next preload in 30 seconds.", 5 ); wp_schedule_single_event( time() + 30, 'wp_cache_preload_hook' ); } } else { $msg = ''; update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) ); if ( (int)$wp_cache_preload_interval && defined( 'DOING_CRON' ) ) { if ( $wp_cache_preload_email_me ) $msg = sprintf( __( 'Scheduling next preload refresh in %d minutes.', 'wp-super-cache' ), (int)$wp_cache_preload_interval ); wp_cache_debug( "wp_cron_preload_cache: no more posts. scheduling next preload in $wp_cache_preload_interval minutes.", 5 ); wp_schedule_single_event( time() + ( (int)$wp_cache_preload_interval * 60 ), 'wp_cache_full_preload_hook' ); } global $file_prefix, $cache_max_time; if ( $wp_cache_preload_interval > 0 ) { $cache_max_time = (int)$wp_cache_preload_interval * 60; // fool the GC into expiring really old files } else { $cache_max_time = 86400; // fool the GC into expiring really old files } if ( $wp_cache_preload_email_me ) wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Cache Preload Completed', 'wp-super-cache' ), home_url() ), __( "Cleaning up old supercache files.", 'wp-super-cache' ) . "\n" . $msg ); wp_cache_debug( "wp_cron_preload_cache: clean expired cache files older than $cache_max_time seconds.", 5 ); wp_cache_phase2_clean_expired( $file_prefix, true ); // force cleanup of old files. } @unlink( $mutex ); } add_action( 'wp_cache_preload_hook', 'wp_cron_preload_cache' ); add_action( 'wp_cache_full_preload_hook', 'wp_cron_preload_cache' ); function next_preload_message( $hook, $text, $limit = 0 ) { global $currently_preloading, $wp_cache_preload_interval; if ( $next_preload = wp_next_scheduled( $hook ) ) { $next_time = $next_preload - time(); if ( $limit != 0 && $next_time > $limit ) return false; $h = $m = $s = 0; if ( $next_time > 0 ) { $m = (int)($next_time / 60); $s = $next_time % 60; $h = (int)($m / 60); $m = $m % 60; } if ( $next_time > 0 && $next_time < ( 60 * $wp_cache_preload_interval ) ) echo '

' . sprintf( $text, $h, $m, $s ) . '

'; if ( ( $next_preload - time() ) <= 60 ) $currently_preloading = true; } } function option_preload_cache_counter( $value ) { if ( false == is_array( $value ) ) { $ret = array( 'c' => $value, 't' => time(), 'first' => 1 ); return $ret; } return $value; } add_filter( 'option_preload_cache_counter', 'option_preload_cache_counter' ); function check_up_on_preloading() { $value = get_option( 'preload_cache_counter' ); if ( $value[ 'c' ] > 0 && ( time() - $value[ 't' ] ) > 3600 && false == wp_next_scheduled( 'wp_cache_preload_hook' ) ) { if ( is_admin() ) wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Preload may have stalled.', 'wp-super-cache' ), get_bloginfo( 'url' ) ), sprintf( __( "Preload has been restarted.\n%s", 'wp-super-cache' ), admin_url( "options-general.php?page=wpsupercache" ) ) ); wp_schedule_single_event( time() + 30, 'wp_cache_preload_hook' ); } } add_action( 'init', 'check_up_on_preloading' ); // sometimes preloading stops working. Kickstart it. function wp_cache_disable_plugin( $delete_config_file = true ) { global $wp_cache_config_file, $wp_rewrite; if ( file_exists( ABSPATH . 'wp-config.php') ) { $global_config_file = ABSPATH . 'wp-config.php'; } else { $global_config_file = dirname(ABSPATH) . '/wp-config.php'; } $line = 'define(\'WP_CACHE\', true);'; if ( strpos( file_get_contents( $global_config_file ), $line ) && ( !is_writeable_ACLSafe( $global_config_file ) || !wp_cache_replace_line( 'define *\( *\'WP_CACHE\'', '//' . $line, $global_config_file ) ) ) wp_die( "Could not remove WP_CACHE define from $global_config_file. Please edit that file and remove the line containing the text 'WP_CACHE'. Then refresh this page." ); uninstall_supercache( WP_CONTENT_DIR . '/cache' ); $file_not_deleted = false; if ( @file_exists( WP_CONTENT_DIR . "/advanced-cache.php" ) ) { if ( false == @unlink( WP_CONTENT_DIR . "/advanced-cache.php" ) ) $file_not_deleted[] = 'advanced-cache.php'; } if ( $delete_config_file && @file_exists( WP_CONTENT_DIR . "/wp-cache-config.php" ) ) { if ( false == unlink( WP_CONTENT_DIR . "/wp-cache-config.php" ) ) $file_not_deleted[] = 'wp-cache-config.php'; } if ( $file_not_deleted ) { $msg = "

One or more files could not be deleted. These files and directories must be made writeable:

\n

1. " . WP_CONTENT_DIR . "
\n"; $code = "
\n"; foreach( (array)$file_not_deleted as $filename ) { $msg .= "
• " . WP_CONTENT_DIR . "/{$filename}
"; $code .= "
• chmod 666 " . WP_CONTENT_DIR . "/{$filename}
\n"; } $code .= "
\n"; $msg .= "

\n

First try fixing the directory permissions with this command and refresh this page:

chmod 777 " . WP_CONTENT_DIR . "

If you still see this error, you have to fix the permissions on the files themselves and refresh this page again:

{$code}\n

Don't forgot to fix things later:
chmod 755 " . WP_CONTENT_DIR . "

If you don't know what chmod is use this Google search to find out all about it.

Please refresh this page when the permissions have been modified.

"; wp_die( $msg ); } extract( wpsc_get_htaccess_info() ); if ( $scrules != '' && insert_with_markers( $home_path.'.htaccess', 'WPSuperCache', array() ) ) { $wp_rewrite->flush_rules(); } elseif( $scrules != '' ) { wp_mail( get_option( 'admin_email' ), __( 'Supercache Uninstall Problems', 'wp-super-cache' ), sprintf( __( "Dear User,\n\nWP Super Cache was removed from your blog but the mod_rewrite rules\nin your .htaccess were not.\n\nPlease edit the following file and remove the code\nbetween 'BEGIN WPSuperCache' and 'END WPSuperCache'. Please backup the file first!\n\n%s\n\nRegards,\nWP Super Cache Plugin\nhttp://wordpress.org/plugins/wp-super-cache/", 'wp-super-cache' ), ABSPATH . '/.htaccess' ) ); } } function uninstall_supercache( $folderPath ) { // from http://www.php.net/manual/en/function.rmdir.php if ( trailingslashit( constant( 'ABSPATH' ) ) == trailingslashit( $folderPath ) ) return false; if ( @is_dir ( $folderPath ) ) { $dh = @opendir($folderPath); while( false !== ( $value = @readdir( $dh ) ) ) { if ( $value != "." && $value != ".." ) { $value = $folderPath . "/" . $value; if ( @is_dir ( $value ) ) { uninstall_supercache( $value ); } else { @unlink( $value ); } } } return @rmdir( $folderPath ); } else { return false; } } function supercache_admin_bar_render() { global $wp_admin_bar, $wp_cache_not_logged_in; if ( !is_user_logged_in() || !$wp_cache_not_logged_in ) return false; if ( function_exists('current_user_can') && false == current_user_can('delete_others_posts') ) return false; $wp_admin_bar->add_menu( array( 'parent' => '', 'id' => 'delete-cache', 'title' => __( 'Delete Cache', 'wp-super-cache' ), 'meta' => array( 'title' => __( 'Delete cache of the current page', 'wp-super-cache' ) ), 'href' => wp_nonce_url( admin_url( 'index.php?action=delcachepage&path=' . urlencode( preg_replace( '/[ <>\'\"\r\n\t\(\)]/', '', $_SERVER[ 'REQUEST_URI' ] ) ) ), 'delete-cache' ) ) ); } add_action( 'wp_before_admin_bar_render', 'supercache_admin_bar_render' ); ?>