/* * 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; The story behind the ‘Tokyo Stabbing’ picture, 1960 - Old Pictures
Photo of a day

The story behind the ‘Tokyo Stabbing’ picture, 1960

1 Mins read

story behind the ‘Tokyo Stabbing’‘Tokyo Stabbing’ photograph won two prestigious prizes at once. In 1960 it was named as a Photo of the Year at the World Press Photo event. In 1961, Japanese reporter Yasushi Nagao received the Pulitzer Prize for his ‘Tokyo Stabbing’ image.

The story of this picture continues our series of Pulitzer Award-winning pictures. You can check the stories behind the brilliant photography like ‘Water!’, ‘Ford Striker’s Riot‘, ‘Serious Steps’, ‘Aid from a Padre‘ and many others.

Read more: All Pulitzer Winning Photos (1942-1967)

How to beat a socialist in the 60s?

On October 12, 1960, the head of the Socialist Party of Japan, Inejiro Asanuma, participated in the pre-election debate in Tokyo. The event went on as usual: noisy and without any incident. But, when the politician was already leaving the building, a young man pounced on Asanuma and stabbed him. Interestingly, he used a short traditional Japanese wakizashi sword. Here’s why the photographer named this image ‘Tokyo Stabbing’.

The moment of attack

The reporter captured the moment when the attacker had already pulled the sword out of the politician after the first blow. He wanted to attack again, but guards stopped him. However, the politician didn’t survive this incident.

The killer turned out to be a 17-year-old ultra-rightist Otoya Yamaguchi. He was a member of the Great Japan patriotic party, which neglected the results of WWII and fought for the ideas of Great Japan.

Was Tokyo Stabbing just a solo act?

Of course, police knew for sure that Yamaguchi could commit this attack on his own. Investigators suspected the head of the party, an experienced politician Satoshi Akao. Note that this tough guy was regularly featured in criminal cases, including murders.

Akao was arrested, but not yet charged: 17-year-old Yamaguchi committed suicide in a juvenile prison. Yamaguchi diluted the toothpaste with water and wrote on the wall: “Seven lives for the country. Long live His Imperial Majesty!” The phrase “seven lives” refers to the last words of the iconic 14th-century Japanese samurai Kusunoki Masashige.

Since there was no one to interrogate after the suicide of 17-year-old Yamaguchi, the police were forced to release the real organizer of the murder Satoshi due to lack of evidence. Satoshi Akao died at the age of 91.

 

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