/* * Plugin Name: APCu Object Cache * Description: APCu backend for the WP Object Cache. * Based on Plugin named APCu Object Cache Backend * Plugin URI: https://wordpress.org/plugins/apcu/ * Author: Pierre Schmitz * Author URI: https://pierre-schmitz.com/ * Plugin URI: https://wordpress.org/plugins/apcu/ * * * @Authors James Dugger, Jonathan Bardo * @copyright 2017 GoDaddy Inc. 14455 N. Hayden Road Scottsdale, Arizona */ $oc_logged_in = false; foreach ( $_COOKIE as $k => $v ) { if ( preg_match( '/^comment_author|wordpress_logged_in_[a-f0-9]+|woocommerce_items_in_cart|PHPSESSID_|edd_wp_session|edd_items_in_cartcc_cart_key|ccm_token/', $k ) ) { $oc_logged_in = true; break; } } $oc_blocked_page = ( defined( 'WP_ADMIN' ) || defined( 'DOING_AJAX' ) || defined( 'XMLRPC_REQUEST' ) || 'wp-login.php' === basename( $_SERVER['SCRIPT_FILENAME'] ) ); function wpaas_is_using_apcu() { return version_compare( PHP_VERSION, '5.6.0', '>=' ) && function_exists( 'apcu_fetch' ); } if ( 'cli' !== php_sapi_name() && ! $oc_logged_in && ! $oc_blocked_page && wpaas_is_using_apcu() ) : /** * Save the transients to the DB. The explanation is a bit too long * for code. The tl;dr of it is that we don't have a single 'fast cache' * source yet (like memcached) and so some long lived items like transients * are still best cached in the db and then brought back into APC * * @param string $transient * @param mixed $value * @param int $expire * @param boolean $site = false * * @return bool */ function wpaas_save_transient( $transient, $value, $expire, $site = false ) { global $wp_object_cache, $wpdb; // The 'special' transient option names $transient_timeout = ( $site ? '_site' : '' ) . '_transient_timeout_' . $transient; $transient = ( $site ? '_site' : '' ) . '_transient_' . $transient; // Cap expiration at 24 hours to avoid littering the DB if ( $expire == 0 ) { $expire = 24 * 60 * 60; } // Save to object cache $wp_object_cache->set( $transient, $value, 'options', $expire ); $wp_object_cache->set( $transient_timeout, time() + $expire, 'options', $expire ); // Update alloptions $alloptions = $wp_object_cache->get( 'alloptions', 'options' ); $alloptions[ $transient ] = $value; $alloptions[ $transient_timeout ] = time() + $expire; $wp_object_cache->set( 'alloptions', $alloptions, 'options' ); // Use the normal update option logic if ( ! empty( $wpdb ) && $wpdb instanceof wpdb ) { $flag = $wpdb->suppress_errors; $wpdb->suppress_errors( true ); if ( $site && is_multisite() ) { $wpdb->query( $wpdb->prepare( "INSERT INTO `{$wpdb->sitemeta}` ( `option_name`, `option_value`, `autoload` ) VALUES ( %s, UNIX_TIMESTAMP( NOW() ) + %d, 'yes' ) ON DUPLICATE KEY UPDATE `option_name` = VALUES ( `option_name` ), `option_value` = VALUES ( `option_value` ), `autoload` = VALUES ( `autoload` );", $transient_timeout, $expire ) ); $wpdb->query( $wpdb->prepare( "INSERT INTO `{$wpdb->sitemeta}` ( `option_name`, `option_value`, `autoload` ) VALUES ( %s, %s, 'no' ) ON DUPLICATE KEY UPDATE `option_name` = VALUES ( `option_name` ), `option_value` = VALUES ( `option_value` ), `autoload` = VALUES ( `autoload` );", $transient, maybe_serialize( $value ) ) ); } else { $wpdb->query( $wpdb->prepare( "INSERT INTO `{$wpdb->options}` (`option_name`, `option_value`, `autoload`) VALUES ( %s, UNIX_TIMESTAMP( NOW() ) + %d, 'yes' ) ON DUPLICATE KEY UPDATE `option_name` = VALUES ( `option_name` ), `option_value` = VALUES ( `option_value` ), `autoload` = VALUES ( `autoload` );", $transient_timeout, $expire ) ); $wpdb->query( $wpdb->prepare( "INSERT INTO `{$wpdb->options}` (`option_name`, `option_value`, `autoload`) VALUES ( %s, %s, 'no' ) ON DUPLICATE KEY UPDATE `option_name` = VALUES ( `option_name` ), `option_value` = VALUES ( `option_value` ), `autoload` = VALUES ( `autoload` );", $transient, maybe_serialize( $value ) ) ); } $wpdb->suppress_errors( $flag ); } return true; } function wpaas_prune_transients() { global $wpdb; if ( ! empty( $wpdb ) && $wpdb instanceof wpdb && function_exists( 'is_main_site' ) && function_exists( 'is_main_network' ) ) { $flag = $wpdb->suppress_errors; $wpdb->suppress_errors( true ); // Lifted straight from schema.php // Deletes all expired transients. // The multi-table delete syntax is used to delete the transient record from table a, // and the corresponding transient_timeout record from table b. $time = time(); $wpdb->query( "DELETE a, b FROM $wpdb->options a, $wpdb->options b WHERE a.option_name LIKE '\_transient\_%' AND a.option_name NOT LIKE '\_transient\_timeout\_%' AND b.option_name = CONCAT( '_transient_timeout_', SUBSTRING( a.option_name, 12 ) ) AND b.option_value < $time" ); if ( is_main_site() && is_main_network() ) { $wpdb->query( "DELETE a, b FROM $wpdb->options a, $wpdb->options b WHERE a.option_name LIKE '\_site\_transient\_%' AND a.option_name NOT LIKE '\_site\_transient\_timeout\_%' AND b.option_name = CONCAT( '_site_transient_timeout_', SUBSTRING( a.option_name, 17 ) ) AND b.option_value < $time" ); } $wpdb->suppress_errors( $flag ); } } /** * If another cache was flushed or updated, sync across all servers / processes using * the database as the authority. This uses the database as the authority for timestamps * as well to avoid drift between servers. * @return void */ function wpaas_init_sync_cache() { global $wpdb; if ( empty( $wpdb ) || ! ( $wpdb instanceof wpdb ) ) { return; } $flag = $wpdb->suppress_errors; $wpdb->suppress_errors( true ); $result = $wpdb->get_results( "SELECT option_name, option_value FROM `{$wpdb->options}` WHERE option_name = 'gd_system_last_cache_flush' UNION SELECT 'current_time', UNIX_TIMESTAMP( NOW() ) AS option_value;", ARRAY_A ); $wpdb->suppress_errors( $flag ); if ( empty( $result ) ) { return; } $master_flush = false; foreach ( $result as $row ) { switch ( $row['option_name'] ) { case 'current_time' : $current_time = $row['option_value']; break; case 'gd_system_last_cache_flush' : $master_flush = $row['option_value']; break; } } $local_flush = wp_cache_get( 'gd_system_last_cache_flush' ); if ( false === $local_flush || $local_flush < $master_flush ) { wp_cache_flush( true ); wp_cache_set( 'gd_system_last_cache_flush', $current_time ); } } /** * Start default implementation of object cache */ if ( ! defined( 'WP_APC_KEY_SALT' ) ) { define( 'WP_APC_KEY_SALT', '' ); } function wp_cache_add( $key, $data, $group = '', $expire = 0 ) { global $wp_object_cache; if ( 'transient' == $group ) { wpaas_save_transient( $key, $data, $expire ); return $wp_object_cache->add( "_transient_$key", $data, 'options', $expire ); } elseif ( 'site-transient' == $group ) { wpaas_save_transient( $key, $data, $expire, true ); return $wp_object_cache->add( "_site_transient_$key", $data, 'site-options', $expire ); } else { return $wp_object_cache->add( $key, $data, $group, $expire ); } } function wp_cache_incr( $key, $n = 1, $group = '' ) { global $wp_object_cache; return $wp_object_cache->incr2( $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() { return true; } function wp_cache_delete( $key, $group = '' ) { global $wp_object_cache, $wpdb; if ( 'transient' == $group ) { if ( ! empty( $wpdb ) && $wpdb instanceof wpdb ) { $flag = $wpdb->suppress_errors; $wpdb->suppress_errors( true ); $wpdb->query( $wpdb->prepare( "DELETE FROM `{$wpdb->prefix}options` WHERE option_name IN ( %s, %s );", "_transient_{$key}", "_transient_timeout_{$key}" ) ); $wpdb->suppress_errors( $flag ); } $wp_object_cache->delete( "_transient_timeout_$key", 'options' ); // Update alloptions $alloptions = $wp_object_cache->get( 'alloptions', 'options' ); unset( $alloptions["_transient_$key"] ); unset( $alloptions["_transient_timeout_$key"] ); $wp_object_cache->set( 'alloptions', $alloptions, 'options' ); return $wp_object_cache->delete( "_transient_$key", 'options' ); } elseif ( 'site-transient' == $group ) { if ( ! empty( $wpdb ) && $wpdb instanceof wpdb ) { $table = $wpdb->options; if ( is_multisite() ) { $table = $wpdb->sitemeta; } $flag = $wpdb->suppress_errors; $wpdb->suppress_errors( true ); $wpdb->query( $wpdb->prepare( "DELETE FROM `{$table}` WHERE option_name IN ( %s, %s );", "_transient_{$key}", "_transient_timeout_{$key}" ) ); $wpdb->suppress_errors( $flag ); } $wp_object_cache->delete( "_transient_timeout_$key", 'site-options' ); // Update alloptions $alloptions = $wp_object_cache->get( 'alloptions', 'options' ); unset( $alloptions["_site_transient_$key"] ); unset( $alloptions["_site_transient_timeout_$key"] ); $wp_object_cache->set( 'alloptions', $alloptions, 'options' ); return $wp_object_cache->delete( "_site_transient_$key", 'site-options' ); } return $wp_object_cache->delete( $key, $group ); } function wp_cache_flush( $local_flush = false ) { global $wp_object_cache, $wpdb; if ( ! $local_flush ) { if ( ! empty( $wpdb ) && $wpdb instanceof wpdb ) { $flag = $wpdb->suppress_errors; $wpdb->suppress_errors( true ); $wpdb->query( "INSERT INTO `{$wpdb->options}` (`option_name`, `option_value`, `autoload`) VALUES ( 'gd_system_last_cache_flush', UNIX_TIMESTAMP( NOW() ), 'no' ) ON DUPLICATE KEY UPDATE `option_name` = VALUES ( `option_name` ), `option_value` = VALUES ( `option_value` ), `autoload` = VALUES ( `autoload` );" ); $wpdb->suppress_errors( $flag ); } } return $wp_object_cache->flush(); } function wp_cache_get( $key, $group = '', $force = false ) { global $wp_object_cache, $wpdb; if ( 'transient' == $group ) { $alloptions = $wp_object_cache->get( 'alloptions', 'options' ); if ( isset( $alloptions["_transient_$key"] ) && isset( $alloptions["_transient_timeout_$key"] ) && $alloptions["_transient_timeout_$key"] > time() ) { return maybe_unserialize( $alloptions["_transient_$key"] ); } $transient = $wp_object_cache->get( "_transient_$key", 'options', $force ); $timeout = $wp_object_cache->get( "_transient_timeout_$key", 'options', $force ); if ( false !== $transient && ! empty( $timeout ) && $timeout > time() ) { return maybe_unserialize( $transient ); } if ( ! empty( $wpdb ) && $wpdb instanceof wpdb ) { $flag = $wpdb->suppress_errors; $wpdb->suppress_errors( true ); $result = $wpdb->get_results( $wpdb->prepare( "SELECT option_name, option_value FROM `{$wpdb->options}` WHERE option_name IN ( %s, %s ) UNION SELECT 'current_time', UNIX_TIMESTAMP( NOW() ) AS option_value;", "_transient_{$key}", "_transient_timeout_{$key}" ), ARRAY_A ); $wpdb->suppress_errors( $flag ); if ( ! empty( $result ) ) { $transient = false; $timeout = false; $current_time = time(); foreach ( $result as $row ) { switch ( $row['option_name'] ) { case "_transient_$key" : $transient = $row['option_value']; break; case "_transient_timeout_$key" : $timeout = $row['option_value']; break; case 'current_time' : $current_time = $row['option_value']; break; } } if ( false !== $transient && ! empty( $timeout ) && $timeout > $current_time ) { return maybe_unserialize( $transient ); } } } return false; } elseif ( 'site-transient' == $group ) { $transient = $wp_object_cache->get( "_site_transient_$key", 'options', $force ); $timeout = $wp_object_cache->get( "_site_transient_timeout_$key", 'options', $force ); if ( false !== $transient && ! empty( $timeout ) && $timeout > time() ) { return maybe_unserialize( $transient ); } if ( ! empty( $wpdb ) && $wpdb instanceof wpdb ) { $table = $wpdb->options; if ( is_multisite() ) { $table = $wpdb->sitemeta; } $flag = $wpdb->suppress_errors; $wpdb->suppress_errors( true ); $result = $wpdb->get_results( $wpdb->prepare( "SELECT option_name, option_value FROM `{$table}` WHERE option_name IN ( %s, %s ) UNION SELECT 'current_time', UNIX_TIMESTAMP( NOW() ) AS option_value;", "_site_transient_{$key}", "_site_transient_timeout_{$key}" ), ARRAY_A ); $wpdb->suppress_errors( $flag ); if ( ! empty( $result ) ) { $transient = false; $timeout = false; $current_time = time(); foreach ( $result as $row ) { switch ( $row['option_name'] ) { case "_site_transient_$key" : $transient = $row['option_value']; break; case "_site_transient_timeout_$key" : $timeout = $row['option_value']; break; case 'current_time' : $current_time = $row['option_value']; break; } } if ( false !== $transient && ! empty( $timeout ) && $timeout > $current_time ) { return maybe_unserialize( $transient ); } } } return false; } else { return $wp_object_cache->get( $key, $group, $force ); } } function wp_cache_init() { global $wp_object_cache; if ( mt_rand( 1, 100 ) == 42 ) { wpaas_prune_transients(); } add_action( 'muplugins_loaded', 'wpaas_init_sync_cache' ); $wp_object_cache = new APCu_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 ) { if ( 'transient' == $group ) { return wpaas_save_transient( $key, $data, $expire ); } elseif ( 'site-transient' == $group ) { return wpaas_save_transient( $key, $data, $expire, true ); } else { return $wp_object_cache->set( $key, $data, $group, $expire ); } } else { return $wp_object_cache->delete( $key, $group ); } } function wp_cache_switch_to_blog( $blog_id ) { global $wp_object_cache; return $wp_object_cache->switch_to_blog( $blog_id ); } 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 GD_APCu_Object_Cache { private $prefix = ''; private $local_cache = array(); private $global_groups = array(); private $non_persistent_groups = array(); private $multisite = false; private $blog_prefix = ''; public function __construct() { global $table_prefix; $this->multisite = is_multisite(); $this->blog_prefix = $this->multisite ? get_current_blog_id() . ':' : ''; $this->prefix = DB_HOST . '.' . DB_NAME . '.' . $table_prefix; } private function get_group( $group ) { return empty( $group ) ? 'default' : $group; } private function get_key( $group, $key ) { if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) ) { return $this->prefix . '.' . $group . '.' . $this->blog_prefix . ':' . $key; } else { return $this->prefix . '.' . $group . '.' . $key; } } public function add( $key, $data, $group = 'default', $expire = 0 ) { $group = $this->get_group( $group ); $key = $this->get_key( $group, $key ); if ( function_exists( 'wp_suspend_cache_addition' ) && wp_suspend_cache_addition() ) { return false; } if ( isset( $this->local_cache[ $group ][ $key ] ) ) { return false; } // FIXME: Somehow apcu_add does not return false if key already exists if ( ! isset( $this->non_persistent_groups[ $group ] ) && apcu_exists( $key ) ) { return false; } if ( is_object( $data ) ) { $this->local_cache[ $group ][ $key ] = clone $data; } else { $this->local_cache[ $group ][ $key ] = $data; } if ( ! isset( $this->non_persistent_groups[ $group ] ) ) { return apcu_add( $key, $data, (int) $expire ); } return true; } public function add_global_groups( $groups ) { if ( is_array( $groups ) ) { foreach ( $groups as $group ) { $this->global_groups[ $group ] = true; } } else { $this->global_groups[ $groups ] = true; } } public function add_non_persistent_groups( $groups ) { if ( is_array( $groups ) ) { foreach ( $groups as $group ) { $this->non_persistent_groups[ $group ] = true; } } else { $this->non_persistent_groups[ $groups ] = true; } } public function decr( $key, $offset = 1, $group = 'default' ) { if ( $offset < 0 ) { return $this->incr( $key, abs( $offset ), $group ); } $group = $this->get_group( $group ); $key = $this->get_key( $group, $key ); if ( isset( $this->local_cache[ $group ][ $key ] ) && $this->local_cache[ $group ][ $key ] - $offset >= 0 ) { $this->local_cache[ $group ][ $key ] -= $offset; } else { $this->local_cache[ $group ][ $key ] = 0; } if ( isset( $this->non_persistent_groups[ $group ] ) ) { return $this->local_cache[ $group ][ $key ]; } else { $value = apcu_dec( $key, $offset ); if ( $value < 0 ) { apcu_store( $key, 0 ); return 0; } return $value; } } public function delete( $key, $group = 'default', $force = false ) { $group = $this->get_group( $group ); $key = $this->get_key( $group, $key ); unset( $this->local_cache[ $group ][ $key ] ); if ( ! isset( $this->non_persistent_groups[ $group ] ) ) { return apcu_delete( $key ); } return true; } public function flush() { $this->local_cache = array(); // TODO: only clear our own entries apcu_clear_cache(); return true; } public function get( $key, $group = 'default', $force = false, &$found = null ) { $group = $this->get_group( $group ); $key = $this->get_key( $group, $key ); if ( ! $force && isset( $this->local_cache[ $group ][ $key ] ) ) { $found = true; if ( is_object( $this->local_cache[ $group ][ $key ] ) ) { return clone $this->local_cache[ $group ][ $key ]; } else { return $this->local_cache[ $group ][ $key ]; } } elseif ( isset( $this->non_persistent_groups[ $group ] ) ) { $found = false; return false; } else { $value = @apcu_fetch( $key, $found ); if ( $found ) { if ( $force ) { $this->local_cache[ $group ][ $key ] = $value; } return $value; } else { return false; } } } public function incr2( $key, $offset = 1, $group = 'default' ) { if ( $offset < 0 ) { return $this->decr( $key, abs( $offset ), $group ); } $group = $this->get_group( $group ); $key = $this->get_key( $group, $key ); if ( isset( $this->local_cache[ $group ][ $key ] ) && $this->local_cache[ $group ][ $key ] + $offset >= 0 ) { $this->local_cache[ $group ][ $key ] += $offset; } else { $this->local_cache[ $group ][ $key ] = 0; } if ( isset( $this->non_persistent_groups[ $group ] ) ) { return $this->local_cache[ $group ][ $key ]; } else if ( function_exists( 'apcu_inc' ) ) { $value = apcu_inc( $key, $offset ); if ( $value < 0 ) { apcu_store( $key, 0 ); return 0; } return $value; } return false; } public function replace( $key, $data, $group = 'default', $expire = 0 ) { $group = $this->get_group( $group ); $key = $this->get_key( $group, $key ); if ( isset( $this->non_persistent_groups[ $group ] ) ) { if ( ! isset( $this->local_cache[ $group ][ $key ] ) ) { return false; } } else { if ( ! isset( $this->local_cache[ $group ][ $key ] ) && ! apcu_exists( $key ) ) { return false; } apcu_store( $key, $data, (int) $expire ); } if ( is_object( $data ) ) { $this->local_cache[ $group ][ $key ] = clone $data; } else { $this->local_cache[ $group ][ $key ] = $data; } return true; } public function reset() { // This function is deprecated as of WordPress 3.5 // Be safe and flush the cache if this function is still used $this->flush(); } public function set( $key, $data, $group = 'default', $expire = 0 ) { $group = $this->get_group( $group ); $key = $this->get_key( $group, $key ); if ( is_object( $data ) ) { $this->local_cache[ $group ][ $key ] = clone $data; } else { $this->local_cache[ $group ][ $key ] = $data; } if ( ! isset( $this->non_persistent_groups[ $group ] ) ) { return apcu_store( $key, $data, (int) $expire ); } return true; } public function stats() { // Only implemented because the default cache class provides this. // This method is never called. echo ''; } public function switch_to_blog( $blog_id ) { $this->blog_prefix = $this->multisite ? $blog_id . ':' : ''; } } if ( function_exists( 'apcu_inc' ) ) { class APCu_Object_Cache extends GD_APCu_Object_Cache { function incr( $key, $offset = 1, $group = 'default' ) { return parent::incr2( $key, $offset, $group ); } } } else { class APCu_Object_Cache extends GD_APCu_Object_Cache { // Blank } } endif; FIFA World Cup 1938 poster - Old Pictures
Photo of a day

FIFA World Cup 1938 poster

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FIFA 1938 World Cup

The last World Cup Before WW2

It was the 3rd World Football Cup and it was held in France. Previous Cups also were held in Europe and thus the decision, taken in August 1936, to award the 1938 tournament to France (Argentina was an alternative location) caused outrage in South America. As a result Brazilian team agreed to enter the tournament at the last moment, while Uruguay and Argentina refused to enter it at all. Spain also missed it because of civil war. France and Italy were qualified automatically (as the host and the title holder). The remaining fourteen places were allocated to Europe (11), Americas (2) and one to Asia/Africa.

Another interesting fact was that Austria, who qualified for the tournament, withdrew after the March 1938 Anschluss under which Austria was incorporated into Germany. This was followed by a scandal where the organising committee did not invite Latvia to take their place (they had finished behind Austria in qualifying) and instead left the place vacant.

The tournament had no group stage and it was just a simple knock-out competition, with extra-time and replays where necessary.

The World Cup was won by Italy.

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[…] Photo of a day: FIFA World Cup 1938 poster […]

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