| Current File : /home/escuelai/public_html/wp-content/plugins/w3-total-cache/DbCache_WpdbLegacy.php |
<?php
/**
* File: DbCache_WpdbInjection.php
*
* @package W3TC
*/
namespace W3TC;
/**
* Class DbCache_WpdbLegacy
*
* Database access mediator, for WordPress < 5.3
*
* phpcs:disable PSR2.Methods.MethodDeclaration.Underscore
* phpcs:disable WordPress.PHP.NoSilencedErrors.Discouraged
* phpcs:disable WordPress.WP.AlternativeFunctions
*/
class DbCache_WpdbLegacy extends DbCache_WpdbBase {
/**
* Active processors
*
* @var int
*/
private $active_processor_number;
/**
* Active processor
*
* @var object
*/
private $active_processor;
/**
* Active processor
*
* @var array
*/
private $processors;
/**
* Debug flag
*
* @var bool
*/
private $debug;
/**
* Request start time
*
* @var int
*/
private $request_time_start = 0;
/**
* Constructor for initializing the DbCache_WpdbLegacy class.
*
* @param array|null $processors Array of processors to initialize.
*
* @throws Exception If the processors parameter is invalid.
*
* @return void
*/
public function __construct( $processors = null ) {
// required to initialize $use_mysqli which is private.
parent::__construct( '', '', '', '' );
// cant force empty parameter list due to wp requirements.
if ( ! is_array( $processors ) ) {
throw new Exception( esc_html__( 'Called incorrectly, use instance().', 'w3-total-cache' ) );
}
$this->processors = $processors;
$this->active_processor = $processors[0];
$this->active_processor_number = 0;
$c = Dispatcher::config();
$this->debug = $c->get_boolean( 'dbcache.debug' );
if ( $this->debug ) {
$this->_request_time_start = microtime( true );
}
}
/**
* Callback for the 'w3tc_plugins_loaded' action.
*
* @return void
*/
public function on_w3tc_plugins_loaded() {
$o = $this;
if ( $this->debug ) {
add_action( 'shutdown', array( $o, 'debug_shutdown' ) );
}
add_filter( 'w3tc_footer_comment', array( $o, 'w3tc_footer_comment' ) );
add_action( 'w3tc_usage_statistics_of_request', array( $o, 'w3tc_usage_statistics_of_request' ), 10, 1 );
}
/**
* Modifies the footer comment for W3TC.
*
* @param string $strings The footer comment strings.
*
* @return string Modified footer comment strings.
*/
public function w3tc_footer_comment( $strings ) {
foreach ( $this->processors as $processor ) {
$strings = $processor->w3tc_footer_comment( $strings );
}
return $strings;
}
/**
* Debug shutdown function for logging request time and footer comments.
*
* @return void
*/
public function debug_shutdown() {
$strings = array();
foreach ( $this->processors as $processor ) {
$strings = $processor->w3tc_footer_comment( $strings );
}
$request_time_total = microtime( true ) - $this->request_time_start;
$data = sprintf(
"\n[%s] [%s] [%s]\n",
gmdate( 'r' ),
isset( $_SERVER['REQUEST_URI'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '',
round( $request_time_total, 4 )
) . implode( "\n", $strings ) . "\n";
$data = strtr( $data, '<>', '..' );
$filename = Util_Debug::log_filename( 'dbcache' );
@file_put_contents( $filename, $data, FILE_APPEND );
}
/**
* Collects usage statistics for the request.
*
* @param mixed $storage Storage for the usage statistics.
*
* @return void
*/
public function w3tc_usage_statistics_of_request( $storage ) {
foreach ( $this->processors as $processor ) {
$processor->w3tc_usage_statistics_of_request( $storage );
}
}
/**
* Flushes the cache for all processors.
*
* @param array $extras Optional extra parameters for flushing the cache.
*
* @return bool True if cache was successfully flushed, false otherwise.
*/
public function flush_cache( $extras = array() ) {
$v = true;
foreach ( $this->processors as $processor ) {
$v &= $processor->flush_cache( $extras );
}
return $v;
}
/**
* Connects to the database.
*
* @param bool $allow_bail Whether to allow the connection to fail silently.
*
* @return mixed Database connection or null if the connection is skipped.
*/
public function db_connect( $allow_bail = true ) {
if ( empty( $this->dbuser ) ) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedIf
// skip connection - called from constructor.
} else {
return parent::db_connect( $allow_bail );
}
}
/**
* Initializes the active processor.
*
* @return mixed
*/
public function initialize() {
return $this->active_processor->initialize();
}
/**
* Inserts data into a database table.
*
* @param string $table The table to insert data into.
* @param array $data The data to insert.
* @param array|null $format Optional format for the data.
*
* @return mixed The result of the insert operation.
*/
public function insert( $table, $data, $format = null ) {
do_action( 'w3tc_db_insert', $table, $data, $format );
return $this->active_processor->insert( $table, $data, $format );
}
/**
* Executes a query on the database.
*
* @param string $query The query to execute.
*
* @return mixed The result of the query execution.
*/
public function query( $query ) {
return $this->active_processor->query( $query );
}
/**
* Escapes data for safe database use.
*
* @param mixed $data The data to escape.
*
* @return mixed The escaped data.
*/
public function _escape( $data ) {
return $this->active_processor->_escape( $data );
}
/**
* Prepares a query for safe execution with arguments.
*
* @param string $query The query to prepare.
* @param array $args The arguments for the query.
*
* @return string The prepared query.
*/
public function prepare( $query, $args ) {
$args = func_get_args();
array_shift( $args );
// If args were passed as an array (as in vsprintf), move them up.
if ( isset( $args[0] ) && is_array( $args[0] ) ) {
$args = $args[0];
}
return $this->active_processor->prepare( $query, $args );
}
/**
* Replaces data in a database table.
*
* @param string $table The table to replace data in.
* @param array $data The data to replace.
* @param array|null $format Optional format for the data.
*
* @return mixed The result of the replace operation.
*/
public function replace( $table, $data, $format = null ) {
do_action( 'w3tc_db_replace', $table, $data, $format );
return $this->active_processor->replace( $table, $data, $format );
}
/**
* Updates data in a database table.
*
* @param string $table The table to update.
* @param array $data The data to update.
* @param array $where The condition for the update.
* @param array|null $format Optional format for the data.
* @param array|null $where_format Optional format for the where condition.
*
* @return mixed The result of the update operation.
*/
public function update( $table, $data, $where, $format = null, $where_format = null ) {
do_action( 'w3tc_db_update', $table, $data, $where, $format, $where_format );
return $this->active_processor->update( $table, $data, $where, $format, $where_format );
}
/**
* Deletes data from a database table.
*
* @param string $table The table to delete data from.
* @param array $where The condition for the delete.
* @param array|null $where_format Optional format for the where condition.
*
* @return mixed The result of the delete operation.
*/
public function delete( $table, $where, $where_format = null ) {
do_action( 'w3tc_db_delete', $table, $where, $where_format );
return $this->active_processor->delete( $table, $where, $where_format );
}
/**
* Initializes the character set for the database.
*
* @return mixed
*/
public function init_charset() {
return $this->active_processor->init_charset();
}
/**
* Sets the character set for the database connection.
*
* @param mixed $dbh The database connection.
* @param string|null $charset Optional character set to set.
* @param string|null $collate Optional collation to set.
*
* @return bool True if the charset was successfully set, false otherwise.
*/
public function set_charset( $dbh, $charset = null, $collate = null ) {
return $this->active_processor->set_charset( $dbh, $charset, $collate );
}
/**
* Sets the SQL mode for the database connection.
*
* @param array $modes SQL modes to set.
*
* @return bool True if the SQL mode was successfully set, false otherwise.
*/
public function set_sql_mode( $modes = array() ) {
return $this->active_processor->set_sql_mode( $modes );
}
/**
* Flushes the database connection.
*
* @return bool True if the flush operation was successful, false otherwise.
*/
public function flush() {
return $this->active_processor->flush();
}
/**
* Checks the version of the database.
*
* @param mixed $dbh_or_table Optional database handler or table to check.
*
* @return mixed The database version or false if not available.
*/
public function check_database_version( $dbh_or_table = false ) {
return $this->active_processor->check_database_version( $dbh_or_table );
}
/**
* Checks if the database supports collation.
*
* @param mixed $dbh_or_table Optional 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->active_processor->supports_collation( $dbh_or_table );
}
/**
* Checks if the database has the specified capability.
*
* @param string $db_cap The database capability to check.
* @param mixed $dbh_or_table Optional 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->active_processor->has_cap( $db_cap, $dbh_or_table );
}
/**
* Retrieves the version of the database.
*
* @param mixed $dbh_or_table Optional database handler or table to check.
*
* @return mixed The database version or false if not available.
*/
public function db_version( $dbh_or_table = false ) {
return $this->active_processor->db_version( $dbh_or_table );
}
/**
* Default constructor for database connection.
*
* @return void
*/
public function default_initialize() {
parent::__construct( DB_USER, DB_PASSWORD, DB_NAME, DB_HOST );
}
/**
* Default insert method for database operations.
*
* @param string $table The table to insert data into.
* @param array $data The data to insert.
* @param array|null $format Optional format for the data.
*
* @return mixed The result of the insert operation.
*/
public function default_insert( $table, $data, $format = null ) {
return parent::insert( $table, $data, $format );
}
/**
* Default query method for database operations.
*
* @param string $query The query to execute.
*
* @return mixed The result of the query execution.
*/
public function default_query( $query ) {
return parent::query( $query );
}
/**
* Default escape method for database operations.
*
* @param mixed $data The data to escape.
*
* @return mixed The escaped data.
*/
public function default__escape( $data ) {
return parent::_escape( $data );
}
/**
* Default prepare method for database operations.
*
* @param string $query The query to prepare.
* @param array $args The arguments for the query.
*
* @return string The prepared query.
*/
public function default_prepare( $query, $args ) {
return parent::prepare( $query, $args );
}
/**
* Default replace method for database operations.
*
* @param string $table The table to replace data in.
* @param array $data The data to replace.
* @param array|null $format Optional format for the data.
*
* @return mixed The result of the replace operation.
*/
public function default_replace( $table, $data, $format = null ) {
return parent::replace( $table, $data, $format );
}
/**
* Default update method for database operations.
*
* @param string $table The table to update.
* @param array $data The data to update.
* @param array $where The condition for the update.
* @param array|null $format Optional format for the data.
* @param array|null $where_format Optional format for the where condition.
*
* @return mixed The result of the update operation.
*/
public function default_update( $table, $data, $where, $format = null, $where_format = null ) {
return parent::update( $table, $data, $where, $format, $where_format );
}
/**
* Default delete method for database operations.
*
* @param string $table The table to delete data from.
* @param array $where The condition for the delete.
* @param array|null $where_format Optional format for the where condition.
*
* @return mixed The result of the delete operation.
*/
public function default_delete( $table, $where, $where_format = null ) {
return parent::delete( $table, $where, $where_format );
}
/**
* Default initialization method for the character set.
*
* @return mixed
*/
public function default_init_charset() {
return parent::init_charset();
}
/**
* Default method to set the character set for the database connection.
*
* @param mixed $dbh The database connection.
* @param string|null $charset Optional character set to set.
* @param string|null $collate Optional collation to set.
*
* @return bool True if the charset was successfully set, false otherwise.
*/
public function default_set_charset( $dbh, $charset = null, $collate = null ) {
return parent::set_charset( $dbh, $charset, $collate );
}
/**
* Default method to set the SQL mode for the database connection.
*
* @param array $modes SQL modes to set.
*
* @return bool True if the SQL mode was successfully set, false otherwise.
*/
public function default_set_sql_mode( $modes = array() ) {
return parent::set_sql_mode( $modes );
}
/**
* Default method to flush the database connection.
*
* @return bool True if the flush operation was successful, false otherwise.
*/
public function default_flush() {
return parent::flush();
}
/**
* Default method to check the database version.
*
* @param mixed $dbh_or_table Optional database handler or table to check.
*
* @return mixed The database version or false if not available.
*/
public function default_check_database_version( $dbh_or_table = false ) {
return parent::check_database_version( $dbh_or_table );
}
/**
* Default method to check if the database supports collation.
*
* @param mixed $dbh_or_table Optional database handler or table to check.
*
* @return mixed True if the database supports collation, false if it does not.
*/
public function default_supports_collation( $dbh_or_table = false ) {
return parent::supports_collation( $dbh_or_table );
}
/**
* Default method to check if the database has a specified capability.
*
* @param string $db_cap The database capability to check.
* @param mixed $dbh_or_table Optional database handler or table to check.
*
* @return bool True if the capability is supported, false otherwise.
*/
public function default_has_cap( $db_cap, $dbh_or_table = false ) {
return parent::has_cap( $db_cap, $dbh_or_table );
}
/**
* Default method to retrieve the version of the database.
*
* @param mixed $dbh_or_table Optional database handler or table to check.
*
* @return mixed The database version or false if not available.
*/
public function default_db_version( $dbh_or_table = false ) {
return parent::db_version( $dbh_or_table );
}
/**
* Switches the active processor by a specified offset.
*
* @param int $offset The offset by which to switch the active processor.
*
* @return int The offset made to change the active processor.
*/
public function switch_active_processor( $offset ) {
$new_processor_number = $this->active_processor_number + $offset;
if ( $new_processor_number <= 0 ) {
$new_processor_number = 0;
} elseif ( $new_processor_number >= count( $this->processors ) ) {
$new_processor_number = count( $this->processors ) - 1;
}
$offset_made = $new_processor_number - $this->active_processor_number;
$this->active_processor_number = $new_processor_number;
$this->active_processor = $this->processors[ $new_processor_number ];
return $offset_made;
}
}
/**
* Class _CallUnderlying
*
* phpcs:disable PSR2.Methods.MethodDeclaration.Underscore
* phpcs:disable Generic.Files.OneObjectStructurePerFile.MultipleFound
* phpcs:disable PEAR.NamingConventions.ValidClassName.StartWithCapital
*/
class _CallUnderlying {
/**
* Constructor for initializing the _CallUnderlying class.
*
* @param object $manager Database access mediator.
*
* @return void
*/
public function __construct( $manager ) {
$this->wpdb_mixin = $manager;
}
/**
* Initializes the database connection and prepares the system for queries.
*
* @return mixed The result of the initialization process.
*
* @throws \Exception If initialization fails.
*/
public function initialize() {
$switched = $this->wpdb_mixin->switch_active_processor( 1 );
try {
$r = $this->wpdb_mixin->initialize();
$this->wpdb_mixin->switch_active_processor( -$switched );
return $r;
} catch ( \Exception $e ) {
$this->wpdb_mixin->switch_active_processor( -$switched );
throw $e;
}
}
/**
* Flushes the database cache and operations.
*
* @return mixed The result of the flush operation.
*
* @throws \Exception If flushing fails.
*/
public function flush() {
$switched = $this->wpdb_mixin->switch_active_processor( 1 );
try {
$r = $this->wpdb_mixin->flush();
$this->wpdb_mixin->switch_active_processor( -$switched );
return $r;
} catch ( \Exception $e ) {
$this->wpdb_mixin->switch_active_processor( -$switched );
throw $e;
}
}
/**
* Executes a database query.
*
* @param string $query The SQL query to execute.
*
* @return mixed The result of the query execution.
*
* @throws \Exception If the query fails.
*/
public function query( $query ) {
$switched = $this->wpdb_mixin->switch_active_processor( 1 );
try {
$r = $this->wpdb_mixin->query( $query );
$this->wpdb_mixin->switch_active_processor( -$switched );
return $r;
} catch ( \Exception $e ) {
$this->wpdb_mixin->switch_active_processor( -$switched );
throw $e;
}
}
/**
* Escapes data to prevent SQL injection.
*
* @param mixed $data The data to escape.
*
* @return mixed The escaped data.
*
* @throws \Exception If escaping fails.
*/
public function _escape( $data ) {
$switched = $this->wpdb_mixin->switch_active_processor( 1 );
try {
$r = $this->wpdb_mixin->_escape( $data );
$this->wpdb_mixin->switch_active_processor( -$switched );
return $r;
} catch ( \Exception $e ) {
$this->wpdb_mixin->switch_active_processor( -$switched );
throw $e;
}
}
/**
* Prepares a SQL query with arguments.
*
* @param string $query The SQL query to prepare.
* @param array $args The arguments to bind to the query.
*
* @return mixed The prepared query.
*
* @throws \Exception If preparing the query fails.
*/
public function prepare( $query, $args ) {
$switched = $this->wpdb_mixin->switch_active_processor( 1 );
try {
$r = $this->wpdb_mixin->prepare( $query, $args );
$this->wpdb_mixin->switch_active_processor( -$switched );
return $r;
} catch ( \Exception $e ) {
$this->wpdb_mixin->switch_active_processor( -$switched );
throw $e;
}
}
/**
* Inserts data into a database table.
*
* @param string $table The name of the table to insert data into.
* @param array $data The data to insert.
* @param array $format Optional format for the data.
*
* @return mixed The result of the insert operation.
*
* @throws \Exception If the insert operation fails.
*/
public function insert( $table, $data, $format = null ) {
$switched = $this->wpdb_mixin->switch_active_processor( 1 );
try {
$r = $this->wpdb_mixin->insert( $table, $data, $format );
$this->wpdb_mixin->switch_active_processor( -$switched );
return $r;
} catch ( \Exception $e ) {
$this->wpdb_mixin->switch_active_processor( -$switched );
throw $e;
}
}
/**
* Replaces existing data in a database table.
*
* @param string $table The name of the table.
* @param array $data The data to replace.
* @param array $format Optional format for the data.
*
* @return mixed The result of the replace operation.
*
* @throws \Exception If the replace operation fails.
*/
public function replace( $table, $data, $format = null ) {
$switched = $this->wpdb_mixin->switch_active_processor( 1 );
try {
$r = $this->wpdb_mixin->replace( $table, $data, $format );
$this->wpdb_mixin->switch_active_processor( -$switched );
return $r;
} catch ( \Exception $e ) {
$this->wpdb_mixin->switch_active_processor( -$switched );
throw $e;
}
}
/**
* Updates existing data in a database table.
*
* @param string $table The name of the table.
* @param array $data The data to update.
* @param array $where The conditions to match the data.
* @param array $format Optional format for the data.
* @param array $where_format Optional format for the where conditions.
*
* @return mixed The result of the update operation.
*
* @throws \Exception If the update operation fails.
*/
public function update( $table, $data, $where, $format = null, $where_format = null ) {
$switched = $this->wpdb_mixin->switch_active_processor( 1 );
try {
$r = $this->wpdb_mixin->update( $table, $data, $where, $format, $where_format );
$this->wpdb_mixin->switch_active_processor( -$switched );
return $r;
} catch ( \Exception $e ) {
$this->wpdb_mixin->switch_active_processor( -$switched );
throw $e;
}
}
/**
* Deletes data from a database table.
*
* @param string $table The name of the table.
* @param array $where The conditions to match the data to delete.
* @param array $where_format Optional format for the where conditions.
*
* @return mixed The result of the delete operation.
*
* @throws \Exception If the delete operation fails.
*/
public function delete( $table, $where, $where_format = null ) {
$switched = $this->wpdb_mixin->switch_active_processor( 1 );
try {
$r = $this->wpdb_mixin->delete( $table, $where, $where_format );
$this->wpdb_mixin->switch_active_processor( -$switched );
return $r;
} catch ( \Exception $e ) {
$this->wpdb_mixin->switch_active_processor( -$switched );
throw $e;
}
}
}