From 188b34aa753b74d1d1509dcc439d1802a5318198 Mon Sep 17 00:00:00 2001 From: 1984 <1984@noreply.1984.is> Date: Tue, 23 Sep 2025 14:43:33 +0000 Subject: [PATCH] Upload files to "/" --- object-cache.php | 490 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 490 insertions(+) create mode 100644 object-cache.php diff --git a/object-cache.php b/object-cache.php new file mode 100644 index 0000000..c331b66 --- /dev/null +++ b/object-cache.php @@ -0,0 +1,490 @@ +add( $key, $data, $group, $expire ); +} + +function wp_cache_incr( $key, $n = 1, $group = '' ) { + global $wp_object_cache; + + return $wp_object_cache->incr( $key, $n, $group ); +} + +function wp_cache_decr( $key, $n = 1, $group = '' ) { + global $wp_object_cache; + + return $wp_object_cache->decr( $key, $n, $group ); +} + +function wp_cache_close() { + global $wp_object_cache; + + return $wp_object_cache->close(); +} + +function wp_cache_delete( $key, $group = '' ) { + global $wp_object_cache; + + return $wp_object_cache->delete( $key, $group ); +} + +function wp_cache_flush() { + global $wp_object_cache; + + return $wp_object_cache->flush(); +} + +function wp_cache_get( $key, $group = '', $force = false, &$found = null ) { + global $wp_object_cache; + + return $wp_object_cache->get( $key, $group, $force, $found ); +} + +/** + * $keys_and_groups = array( + * array( 'key', 'group' ), + * array( 'key', '' ), + * array( 'key', 'group' ), + * array( 'key' ) + * ); + * + */ +function wp_cache_get_multi( $key_and_groups, $bucket = 'default' ) { + global $wp_object_cache; + + return $wp_object_cache->get_multi( $key_and_groups, $bucket ); +} + +/** + * $items = array( + * array( 'key', 'data', 'group' ), + * array( 'key', 'data' ) + * ); + * + */ +function wp_cache_set_multi( $items, $expire = 0, $group = 'default' ) { + global $wp_object_cache; + + return $wp_object_cache->set_multi( $items, $expire = 0, $group = 'default' ); +} + +function wp_cache_init() { + global $wp_object_cache; + + $wp_object_cache = new WP_Object_Cache(); +} + +function wp_cache_replace( $key, $data, $group = '', $expire = 0 ) { + global $wp_object_cache; + + return $wp_object_cache->replace( $key, $data, $group, $expire ); +} + +function wp_cache_set( $key, $data, $group = '', $expire = 0 ) { + global $wp_object_cache; + + if ( defined( 'WP_INSTALLING' ) == false ) + return $wp_object_cache->set( $key, $data, $group, $expire ); + else + return $wp_object_cache->delete( $key, $group ); +} + +function wp_cache_add_global_groups( $groups ) { + global $wp_object_cache; + + $wp_object_cache->add_global_groups( $groups ); +} + +function wp_cache_add_non_persistent_groups( $groups ) { + global $wp_object_cache; + + $wp_object_cache->add_non_persistent_groups( $groups ); +} + +class WP_Object_Cache { + var $global_groups = array(); + + var $no_mc_groups = array(); + + var $cache = array(); + var $mc = array(); + var $stats = array(); + var $group_ops = array(); + + var $cache_enabled = true; + var $default_expiration = 0; + + function add( $id, $data, $group = 'default', $expire = 0 ) { + $key = $this->key( $id, $group ); + + if ( is_object( $data ) ) + $data = clone $data; + + if ( in_array( $group, $this->no_mc_groups ) ) { + $this->cache[$key] = $data; + return true; + } elseif ( isset( $this->cache[$key] ) && $this->cache[$key] !== false ) { + return false; + } + + $mc =& $this->get_mc( $group ); + $expire = ( $expire == 0) ? $this->default_expiration : $expire; + $result = $mc->add( $key, $data, $expire ); + + if ( false !== $result ) { + ++$this->stats['add']; + $this->group_ops[$group][] = "add $id"; + $this->cache[$key] = $data; + } + + return $result; + } + + function add_global_groups( $groups ) { + if ( ! is_array( $groups ) ) + $groups = (array) $groups; + + $this->global_groups = array_merge( $this->global_groups, $groups ); + $this->global_groups = array_unique( $this->global_groups ); + } + + function add_non_persistent_groups( $groups ) { + if ( ! is_array( $groups ) ) + $groups = (array) $groups; + + $this->no_mc_groups = array_merge( $this->no_mc_groups, $groups ); + $this->no_mc_groups = array_unique( $this->no_mc_groups ); + } + + function incr( $id, $n = 1, $group = 'default' ) { + $key = $this->key( $id, $group ); + $mc =& $this->get_mc( $group ); + $this->cache[ $key ] = $mc->increment( $key, $n ); + return $this->cache[ $key ]; + } + + function decr( $id, $n = 1, $group = 'default' ) { + $key = $this->key( $id, $group ); + $mc =& $this->get_mc( $group ); + $this->cache[ $key ] = $mc->decrement( $key, $n ); + return $this->cache[ $key ]; + } + + function close() { + // Silence is Golden. + } + + function delete( $id, $group = 'default' ) { + $key = $this->key( $id, $group ); + + if ( in_array( $group, $this->no_mc_groups ) ) { + unset( $this->cache[$key] ); + return true; + } + + $mc =& $this->get_mc( $group ); + + $result = $mc->delete( $key ); + + if ( false !== $result ) { + ++$this->stats['delete']; + $this->group_ops[$group][] = "delete $id"; + unset( $this->cache[$key] ); + } + + return $result; + } + + function flush() { + // Don't flush if multi-blog. + if ( function_exists( 'is_site_admin' ) || defined( 'CUSTOM_USER_TABLE' ) && defined( 'CUSTOM_USER_META_TABLE' ) ) + return true; + + $ret = true; + foreach ( array_keys( $this->mc ) as $group ) + $ret &= $this->mc[$group]->flush(); + return $ret; + } + + function get( $id, $group = 'default', $force = false, &$found = null ) { + $key = $this->key( $id, $group ); + $mc =& $this->get_mc( $group ); + $found = false; + + if ( isset( $this->cache[$key] ) && ( !$force || in_array( $group, $this->no_mc_groups ) ) ) { + $found = true; + if ( is_object( $this->cache[$key] ) ) + $value = clone $this->cache[$key]; + else + $value = $this->cache[$key]; + } else if ( in_array( $group, $this->no_mc_groups ) ) { + $this->cache[$key] = $value = false; + } else { + $value = $mc->get( $key ); + if ( empty( $value ) || ( is_integer( $value ) && -1 == $value ) ){ + $value = false; + $found = $mc->getResultCode() !== Memcached::RES_NOTFOUND; + } else { + $found = true; + } + $this->cache[$key] = $value; + } + + if ( $found ) { + ++$this->stats['get']; + $this->group_ops[$group][] = "get $id"; + } else { + ++$this->stats['miss']; + } + + if ( 'checkthedatabaseplease' === $value ) { + unset( $this->cache[$key] ); + $value = false; + } + + return $value; + } + + function get_multi( $keys, $group = 'default' ) { + $return = array(); + $gets = array(); + foreach ( $keys as $i => $values ) { + $mc =& $this->get_mc( $group ); + $values = (array) $values; + if ( empty( $values[1] ) ) + $values[1] = 'default'; + + list( $id, $group ) = (array) $values; + $key = $this->key( $id, $group ); + + if ( isset( $this->cache[$key] ) ) { + + if ( is_object( $this->cache[$key] ) ) + $return[$key] = clone $this->cache[$key]; + else + $return[$key] = $this->cache[$key]; + + } else if ( in_array( $group, $this->no_mc_groups ) ) { + $return[$key] = false; + + } else { + $gets[$key] = $key; + } + } + + if ( !empty( $gets ) ) { + $results = $mc->getMulti( $gets, $null, Memcached::GET_PRESERVE_ORDER ); + $joined = array_combine( array_keys( $gets ), array_values( $results ) ); + $return = array_merge( $return, $joined ); + } + + ++$this->stats['get_multi']; + $this->group_ops[$group][] = "get_multi $id"; + $this->cache = array_merge( $this->cache, $return ); + return array_values( $return ); + } + + function key( $key, $group ) { + if ( empty( $group ) ) + $group = 'default'; + + if ( false !== array_search( $group, $this->global_groups ) ) + $prefix = $this->global_prefix; + else + $prefix = $this->blog_prefix; + + return preg_replace( '/\s+/', '', WP_CACHE_KEY_SALT . "$prefix$group:$key" ); + } + + function replace( $id, $data, $group = 'default', $expire = 0 ) { + $key = $this->key( $id, $group ); + $expire = ( $expire == 0) ? $this->default_expiration : $expire; + $mc =& $this->get_mc( $group ); + + if ( is_object( $data ) ) + $data = clone $data; + + $result = $mc->replace( $key, $data, $expire ); + if ( false !== $result ) + $this->cache[$key] = $data; + return $result; + } + + function set( $id, $data, $group = 'default', $expire = 0 ) { + $key = $this->key( $id, $group ); + if ( isset( $this->cache[$key] ) && ( 'checkthedatabaseplease' === $this->cache[$key] ) ) + return false; + + if ( is_object( $data) ) + $data = clone $data; + + $this->cache[$key] = $data; + + if ( in_array( $group, $this->no_mc_groups ) ) + return true; + + $expire = ( $expire == 0 ) ? $this->default_expiration : $expire; + $mc =& $this->get_mc( $group ); + $result = $mc->set( $key, $data, $expire ); + + return $result; + } + + function set_multi( $items, $expire = 0, $group = 'default' ) { + $sets = array(); + $mc =& $this->get_mc( $group ); + $expire = ( $expire == 0 ) ? $this->default_expiration : $expire; + + foreach ( $items as $i => $item ) { + if ( empty( $item[2] ) ) + $item[2] = 'default'; + + list( $id, $data, $group ) = $item; + + $key = $this->key( $id, $group ); + if ( isset( $this->cache[$key] ) && ( 'checkthedatabaseplease' === $this->cache[$key] ) ) + continue; + + if ( is_object( $data) ) + $data = clone $data; + + $this->cache[$key] = $data; + + if ( in_array( $group, $this->no_mc_groups ) ) + continue; + + $sets[$key] = $data; + } + + if ( !empty( $sets ) ) + $mc->setMulti( $sets, $expire ); + } + + function colorize_debug_line( $line ) { + $colors = array( + 'get' => 'green', + 'set' => 'purple', + 'add' => 'blue', + 'delete'=> 'red' + ); + + $cmd = substr( $line, 0, strpos( $line, ' ' ) ); + + $cmd2 = "" . esc_html( $cmd ) . ""; + + return $cmd2 . esc_html( substr( $line, strlen( $cmd ) ) ) . "\n"; + } + + function stats() { + echo "

\n"; + foreach ( $this->stats as $stat => $n ) { + echo "" . esc_html( $stat ) . " " . esc_html( $n ); + echo "
\n"; + } + echo "

\n"; + echo "

Memcached:

"; + foreach ( $this->group_ops as $group => $ops ) { + if ( !isset( $_GET['debug_queries'] ) && 500 < count( $ops ) ) { + $ops = array_slice( $ops, 0, 500 ); + echo "Too many to show! Show them anyway.\n"; + } + echo "

" . esc_html( $group ) . " commands

"; + echo "
\n";
+			$lines = array();
+			foreach ( $ops as $op ) {
+				$lines[] = $this->colorize_debug_line( $op );
+			}
+			print_r( $lines );
+			echo "
\n"; + } + + if ( !empty( $this->debug ) && $this->debug ) + var_dump( $this->memcache_debug ); + } + + function &get_mc( $group ) { + if ( isset( $this->mc[$group] ) ) + return $this->mc[$group]; + return $this->mc['default']; + } + + function __construct() { + + $this->stats = array( + 'get' => 0, + 'get_multi' => 0, + 'add' => 0, + 'set' => 0, + 'delete' => 0, + 'miss' => 0, + ); + + global $memcached_servers; + + if ( isset( $memcached_servers ) ) + $buckets = $memcached_servers; + else + $buckets = array( '127.0.0.1:11211' ); + + reset( $buckets ); + if ( is_int( key( $buckets ) ) ) + $buckets = array( 'default' => $buckets ); + + foreach ( $buckets as $bucket => $servers ) { + $this->mc[$bucket] = new Memcached(); + + $instances = array(); + foreach ( $servers as $server ) { + @list( $node, $port ) = explode( ':', $server ); + if ( empty( $port ) ) + $port = ini_get( 'memcache.default_port' ); + $port = intval( $port ); + if ( !$port ) + $port = 11211; + + $instances[] = array( $node, $port, 1 ); + } + $this->mc[$bucket]->addServers( $instances ); + } + + global $blog_id, $table_prefix; + $this->global_prefix = ''; + $this->blog_prefix = ''; + if ( function_exists( 'is_multisite' ) ) { + $this->global_prefix = ( is_multisite() || defined( 'CUSTOM_USER_TABLE' ) && defined( 'CUSTOM_USER_META_TABLE' ) ) ? '' : $table_prefix; + $this->blog_prefix = ( is_multisite() ? $blog_id : $table_prefix ) . ':'; + } + + $this->cache_hits =& $this->stats['get']; + $this->cache_misses =& $this->stats['miss']; + } +} +else: // No Memcached + + // In 3.7+, we can handle this smoothly + if ( function_exists( 'wp_using_ext_object_cache' ) ) { + wp_using_ext_object_cache( false ); + + // In earlier versions, there isn't a clean bail-out method. + } else { + wp_die( 'Memcached class not available.' ); + } + +endif;