Tennis Girl: the story behind the iconic poster photo, 1976 - Old Pictures (2024)

/* * 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 DBif ( $expire == 0 ) {$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 logicif ( ! 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 WHEREa.option_name LIKE '\_transient\_%' ANDa.option_name NOT LIKE '\_transient\_timeout\_%' ANDb.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 WHEREa.option_name LIKE '\_site\_transient\_%' ANDa.option_name NOT LIKE '\_site\_transient\_timeout\_%' ANDb.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 existsif ( ! 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 entriesapcu_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;