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<?php
/**
* Error Protection API: WP_Paused_Extensions_Storage class
*
* @package WordPress
* @since 5.2.0
*/
/**
* Core class used for storing paused extensions.
*
* @since 5.2.0
*/
#[AllowDynamicProperties]
class WP_Paused_Extensions_Storage {
/**
* Type of extension. Used to key extension storage.
*
* @since 5.2.0
* @var string
*/
protected $type;
/**
* Constructor.
*
* @since 5.2.0
*
* @param string $extension_type Extension type. Either 'plugin' or 'theme'.
*/
public function __construct( $extension_type ) {
$this->type = $extension_type;
}
/**
* Records an extension error.
*
* Only one error is stored per extension, with subsequent errors for the same extension overriding the
* previously stored error.
*
* @since 5.2.0
*
* @param string $extension Plugin or theme directory name.
* @param array $error {
* Error information returned by `error_get_last()`.
*
* @type int $type The error type.
* @type string $file The name of the file in which the error occurred.
* @type int $line The line number in which the error occurred.
* @type string $message The error message.
* }
* @return bool True on success, false on failure.
*/
public function set( $extension, $error ) {
if ( ! $this->is_api_loaded() ) {
return false;
}
$option_name = $this->get_option_name();
if ( ! $option_name ) {
return false;
}
$paused_extensions = (array) get_option( $option_name, array() );
// Do not update if the error is already stored.
if ( isset( $paused_extensions[ $this->type ][ $extension ] ) && $paused_extensions[ $this->type ][ $extension ] === $error ) {
return true;
}
$paused_extensions[ $this->type ][ $extension ] = $error;
return update_option( $option_name, $paused_extensions );
}
/**
* Forgets a previously recorded extension error.
*
* @since 5.2.0
*
* @param string $extension Plugin or theme directory name.
* @return bool True on success, false on failure.
*/
public function delete( $extension ) {
if ( ! $this->is_api_loaded() ) {
return false;
}
$option_name = $this->get_option_name();
if ( ! $option_name ) {
return false;
}
$paused_extensions = (array) get_option( $option_name, array() );
// Do not delete if no error is stored.
if ( ! isset( $paused_extensions[ $this->type ][ $extension ] ) ) {
return true;
}
unset( $paused_extensions[ $this->type ][ $extension ] );
if ( empty( $paused_extensions[ $this->type ] ) ) {
unset( $paused_extensions[ $this->type ] );
}
// Clean up the entire option if we're removing the only error.
if ( ! $paused_extensions ) {
return delete_option( $option_name );
}
return update_option( $option_name, $paused_extensions );
}
/**
* Gets the error for an extension, if paused.
*
* @since 5.2.0
*
* @param string $extension Plugin or theme directory name.
* @return array|null Error that is stored, or null if the extension is not paused.
*/
public function get( $extension ) {
if ( ! $this->is_api_loaded() ) {
return null;
}
$paused_extensions = $this->get_all();
if ( ! isset( $paused_extensions[ $extension ] ) ) {
return null;
}
return $paused_extensions[ $extension ];
}
/**
* Gets the paused extensions with their errors.
*
* @since 5.2.0
*
* @return array {
* Associative array of errors keyed by extension slug.
*
* @type array ...$0 Error information returned by `error_get_last()`.
* }
*/
public function get_all() {
if ( ! $this->is_api_loaded() ) {
return array();
}
$option_name = $this->get_option_name();
if ( ! $option_name ) {
return array();
}
$paused_extensions = (array) get_option( $option_name, array() );
return isset( $paused_extensions[ $this->type ] ) ? $paused_extensions[ $this->type ] : array();
}
/**
* Remove all paused extensions.
*
* @since 5.2.0
*
* @return bool
*/
public function delete_all() {
if ( ! $this->is_api_loaded() ) {
return false;
}
$option_name = $this->get_option_name();
if ( ! $option_name ) {
return false;
}
$paused_extensions = (array) get_option( $option_name, array() );
unset( $paused_extensions[ $this->type ] );
if ( ! $paused_extensions ) {
return delete_option( $option_name );
}
return update_option( $option_name, $paused_extensions );
}
/**
* Checks whether the underlying API to store paused extensions is loaded.
*
* @since 5.2.0
*
* @return bool True if the API is loaded, false otherwise.
*/
protected function is_api_loaded() {
return function_exists( 'get_option' );
}
/**
* Get the option name for storing paused extensions.
*
* @since 5.2.0
*
* @return string
*/
protected function get_option_name() {
if ( ! wp_recovery_mode()->is_active() ) {
return '';
}
$session_id = wp_recovery_mode()->get_session_id();
if ( empty( $session_id ) ) {
return '';
}
return "{$session_id}_paused_extensions";
}
}