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<?php
/**
* File: DbCache_WpdbInjection.php
*
* @package W3TC
*/
namespace W3TC;
/**
* Class DbCache_WpdbInjection
*
* Allows to perform own operation instead of default behaviour of wpdb
* without inheritance
*
* phpcs:disable PSR2.Methods.MethodDeclaration.Underscore
* phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter
*/
class DbCache_WpdbInjection {
/**
* Top database-connection object.
* Initialized by DbCache_Wpdb::instance
*
* @var object
*/
protected $wpdb_mixin = null;
/**
* Database-connection using overrides of next processor in queue
* Initialized by DbCache_Wpdb::instance
*
* @var object
*/
protected $next_injection = null;
/**
* Initializes the injection with the provided database mixin and next injection.
*
* @param object $wpdb_mixin The database mixin to be used.
* @param mixed $next_injection The next injection to be processed.
*
* @return void
*/
public function initialize_injection( $wpdb_mixin, $next_injection ) {
$this->wpdb_mixin = $wpdb_mixin;
$this->next_injection = $next_injection;
}
/**
* Initializes the database connection.
*
* @return mixed The result of the default initialization.
*/
public function initialize() {
return $this->wpdb_mixin->default_initialize();
}
/**
* Inserts data into the specified table.
*
* @param string $table The table name.
* @param array $data The data to insert.
* @param mixed $format Optional. Format of the data.
*
* @return mixed The result of the default insert operation.
*/
public function insert( $table, $data, $format = null ) {
return $this->wpdb_mixin->default_insert( $table, $data, $format );
}
/**
* Executes a query on the database.
*
* @param string $query The SQL query to execute.
*
* @return mixed The result of the default query execution.
*/
public function query( $query ) {
return $this->wpdb_mixin->default_query( $query );
}
/**
* Escapes the given data to be safely used in a query.
*
* @param mixed $data The data to escape.
*
* @return mixed The escaped data.
*/
public function _escape( $data ) {
return $this->wpdb_mixin->default__escape( $data );
}
/**
* Prepares a SQL query with the provided arguments.
*
* @param string $query The SQL query.
* @param array $args The arguments to bind to the query.
*
* @return mixed The prepared query.
*/
public function prepare( $query, $args ) {
return $this->wpdb_mixin->default_prepare( $query, $args );
}
/**
* Replaces data in the specified table.
*
* @param string $table The table name.
* @param array $data The data to replace.
* @param mixed $format Optional. Format of the data.
*
* @return mixed The result of the default replace operation.
*/
public function replace( $table, $data, $format = null ) {
return $this->wpdb_mixin->default_replace( $table, $data, $format );
}
/**
* Updates data in the specified table.
*
* @param string $table The table name.
* @param array $data The data to update.
* @param array $where The conditions for the update.
* @param mixed $format Optional. Format of the data.
* @param mixed $where_format Optional. Format of the where conditions.
*
* @return mixed The result of the default update operation.
*/
public function update( $table, $data, $where, $format = null, $where_format = null ) {
return $this->wpdb_mixin->default_update( $table, $data, $where, $format, $where_format );
}
/**
* Deletes data from the specified table.
*
* @param string $table The table name.
* @param array $where The conditions for the delete.
* @param mixed $where_format Optional. Format of the where conditions.
*
* @return mixed The result of the default delete operation.
*/
public function delete( $table, $where, $where_format = null ) {
return $this->wpdb_mixin->default_delete( $table, $where, $where_format );
}
/**
* Initializes the character set for the database connection.
*
* @return mixed The result of the default charset initialization.
*/
public function init_charset() {
return $this->wpdb_mixin->default_init_charset();
}
/**
* Sets the character set and collation for the database connection.
*
* @param object $dbh The database handler.
* @param string $charset Optional. The character set to set.
* @param string $collate Optional. The collation to set.
*
* @return mixed The result of the default set charset operation.
*/
public function set_charset( $dbh, $charset = null, $collate = null ) {
return $this->wpdb_mixin->default_set_charset( $dbh, $charset, $collate );
}
/**
* Sets the SQL mode for the database.
*
* @param array $modes Optional. An array of modes to set.
*
* @return mixed The result of the default set SQL mode operation.
*/
public function set_sql_mode( $modes = array() ) {
return $this->wpdb_mixin->default_set_sql_mode( $modes );
}
/**
* Flushes the database cache.
*
* @return mixed The result of the default flush operation.
*/
public function flush() {
return $this->wpdb_mixin->default_flush();
}
/**
* Checks the database version.
*
* @param mixed $dbh_or_table Optional. The database handler or table to check.
*
* @return mixed The database version.
*/
public function check_database_version( $dbh_or_table = false ) {
return $this->wpdb_mixin->default_check_database_version( $dbh_or_table );
}
/**
* Checks if the database supports collation.
*
* @param mixed $dbh_or_table Optional. The database handler or table to check.
*
* @return bool True if collation is supported, false otherwise.
*/
public function supports_collation( $dbh_or_table = false ) {
return $this->wpdb_mixin->default_supports_collation( $dbh_or_table );
}
/**
* Checks if the database has a specific capability.
*
* @param string $db_cap The capability to check.
* @param mixed $dbh_or_table Optional. The database handler or table to check.
*
* @return bool True if the capability is supported, false otherwise.
*/
public function has_cap( $db_cap, $dbh_or_table = false ) {
return $this->wpdb_mixin->default_has_cap( $db_cap, $dbh_or_table );
}
/**
* Retrieves the database version.
*
* @param mixed $dbh_or_table Optional. The database handler or table to check.
*
* @return mixed The database version.
*/
public function db_version( $dbh_or_table = false ) {
return $this->wpdb_mixin->default_db_version( $dbh_or_table );
}
/**
* Adds a footer comment to the W3TC output.
*
* @param string $strings The current footer comment.
*
* @return string The modified footer comment.
*/
public function w3tc_footer_comment( $strings ) {
return $strings;
}
/**
* Logs the usage statistics of the request.
*
* @param mixed $storage The storage mechanism for the usage statistics.
*
* @return void
*/
public function w3tc_usage_statistics_of_request( $storage ) {
}
/**
* Flushes the cache with additional parameters.
*
* @param array $extras Optional. Additional parameters to include in the flush operation.
*
* @return bool Always returns true.
*/
public function flush_cache( $extras = array() ) {
return true;
}
}