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class-cartflows-logger-interface.php��0000666��00000007412�15214017167�0013613 0��ustar�00��<?php /** * Logger Interface * * @version 3.0.0 * @package WooCommerce/Interface / if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } /* * WC Logger Interface * * Functions that must be defined to correctly fulfill logger API. * * @version 3.0.0 / interface Cartflows_WC_Logger_Interface { /* * Add a log entry. * * This is not the preferred method for adding log messages. Please use log() or any one of * the level methods (debug(), info(), etc.). This method may be deprecated in the future. * * @param string $handle File handle. * @param string $message Log message. * @param string $level Log level. * * @return bool True if log was added, otherwise false. / public function add( $handle, $message, $level = Cartflows_Log_Levels::NOTICE ); /* * Add a log entry. * * @param string $level One of the following: * 'emergency': System is unusable. * 'alert': Action must be taken immediately. * 'critical': Critical conditions. * 'error': Error conditions. * 'warning': Warning conditions. * 'notice': Normal but significant condition. * 'info': Informational messages. * 'debug': Debug-level messages. * @param string $message Log message. * @param array $context Optional. Additional information for log handlers. / public function log( $level, $message, $context = array() ); /* * Adds an emergency level message. * * System is unusable. * * @param string $message Log message. * @param array $context Optional. Additional information for log handlers. / public function emergency( $message, $context = array() ); /* * Adds an alert level message. * * Action must be taken immediately. * Example: Entire website down, database unavailable, etc. * * @param string $message Log message. * @param array $context Optional. Additional information for log handlers. / public function alert( $message, $context = array() ); /* * Adds a critical level message. * * Critical conditions. * Example: Application component unavailable, unexpected exception. * * @param string $message Log message. * @param array $context Optional. Additional information for log handlers. / public function critical( $message, $context = array() ); /* * Adds an error level message. * * Runtime errors that do not require immediate action but should typically be logged * and monitored. * * @param string $message Log message. * @param array $context Optional. Additional information for log handlers. / public function error( $message, $context = array() ); /* * Adds a warning level message. * * Exceptional occurrences that are not errors. * * Example: Use of deprecated APIs, poor use of an API, undesirable things that are not * necessarily wrong. * * @param string $message Log message. * @param array $context Optional. Additional information for log handlers. / public function warning( $message, $context = array() ); /* * Adds a notice level message. * * Normal but significant events. * * @param string $message Log message. * @param array $context Optional. Additional information for log handlers. / public function notice( $message, $context = array() ); /* * Adds a info level message. * * Interesting events. * Example: User logs in, SQL logs. * * @param string $message Log message. * @param array $context Optional. Additional information for log handlers. / public function info( $message, $context = array() ); /* * Adds a debug level message. * * Detailed debug information. * * @param string $message Log message. * @param array $context Optional. Additional information for log handlers. / public function debug( $message, $context = array() ); } ��class-cartflows-log-handler-interface.php��0000666��00000001401�15214017167�0014520 0��ustar�00��<?php /* * Log Handler Interface * * @version 3.3.0 * @package WooCommerce/Interface / if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } /* * WC Log Handler Interface * * Functions that must be defined to correctly fulfill log handler API. * * @version 3.3.0 / interface Cartflows_Log_Handler_Interface { /* * Handle a log entry. * * @param int $timestamp Log timestamp. * @param string $level emergency\|alert\|critical\|error\|warning\|notice\|info\|debug. * @param string $message Log message. * @param array $context Additional information for log handlers. * * @return bool False if value was not handled and true if value was handled. / public function handle( $timestamp, $level, $message, $context ); } ��class-cartflows-wc-logger.php��0000666��00000021000�15214017167�0012251 0��ustar�00��<?php /* * Provides logging capabilities for debugging purposes. * * @class Cartflows_WC_Logger * @version 2.0.0 * @package WooCommerce/Classes / defined( 'ABSPATH' ) \|\| exit; /* * Cartflows_WC_Logger class. / class Cartflows_WC_Logger implements Cartflows_WC_Logger_Interface { /* * Stores registered log handlers. * * @var array / protected $handlers; /* * Minimum log level this handler will process. * * @var int Integer representation of minimum log level to handle. / protected $threshold; /* * Constructor for the logger. * * @param array $handlers Optional. Array of log handlers. If $handlers is not provided, the filter 'woocommerce_register_log_handlers' will be used to define the handlers. If $handlers is provided, the filter will not be applied and the handlers will be used directly. * @param string $threshold Optional. Define an explicit threshold. May be configured via WC_LOG_THRESHOLD. By default, all logs will be processed. / public function __construct( $handlers = null, $threshold = null ) { if ( null === $handlers ) { $handlers = apply_filters( 'cartflows_register_log_handlers', array() ); $default_handler = new Cartflows_Log_Handler_File(); array_push( $handlers, $default_handler ); } $register_handlers = array(); if ( ! empty( $handlers ) && is_array( $handlers ) ) { foreach ( $handlers as $handler ) { $implements = class_implements( $handler ); if ( is_object( $handler ) && is_array( $implements ) && in_array( 'Cartflows_Log_Handler_Interface', $implements, true ) ) { $register_handlers[] = $handler; } else { wc_doing_it_wrong( __METHOD__, sprintf( / translators: 1: class name 2: Cartflows_Log_Handler_Interface / __( 'The provided handler %1$s does not implement %2$s.', 'cartflows' ), '<code>' . esc_html( is_object( $handler ) ? get_class( $handler ) : $handler ) . '</code>', '<code>Cartflows_Log_Handler_Interface</code>' ), '3.0' ); } } } if ( null !== $threshold ) { $threshold = Cartflows_Log_Levels::get_level_severity( $threshold ); } elseif ( defined( 'WC_LOG_THRESHOLD' ) && Cartflows_Log_Levels::is_valid_level( WC_LOG_THRESHOLD ) ) { $threshold = Cartflows_Log_Levels::get_level_severity( WC_LOG_THRESHOLD ); } else { $threshold = null; } $this->handlers = $register_handlers; $this->threshold = $threshold; } /* * Determine whether to handle or ignore log. * * @param string $level emergency\|alert\|critical\|error\|warning\|notice\|info\|debug. * @return bool True if the log should be handled. / protected function should_handle( $level ) { if ( null === $this->threshold ) { return true; } return $this->threshold <= Cartflows_Log_Levels::get_level_severity( $level ); } /* * Add a log entry. * * This is not the preferred method for adding log messages. Please use log() or any one of * the level methods (debug(), info(), etc.). This method may be deprecated in the future. * * @param string $handle File handle. * @param string $message Message to log. * @param string $level Logging level. * @return bool / public function add( $handle, $message, $level = Cartflows_Log_Levels::NOTICE ) { $message = apply_filters( 'cartflows_logger_add_message', $message, $handle ); $this->log( $level, $message, array( 'source' => $handle, '_legacy' => true, ) ); wc_do_deprecated_action( 'cartflows_log_add', array( $handle, $message ), '3.0', 'This action has been deprecated with no alternative.' ); return true; } /* * Add a log entry. * * @param string $level One of the following: * 'emergency': System is unusable. * 'alert': Action must be taken immediately. * 'critical': Critical conditions. * 'error': Error conditions. * 'warning': Warning conditions. * 'notice': Normal but significant condition. * 'info': Informational messages. * 'debug': Debug-level messages. * @param string $message Log message. * @param array $context Optional. Additional information for log handlers. / public function log( $level, $message, $context = array() ) { if ( ! Cartflows_Log_Levels::is_valid_level( $level ) ) { / translators: 1: Cartflows_WC_Logger::log 2: level / wc_doing_it_wrong( __METHOD__, sprintf( __( '%1$s was called with an invalid level "%2$s".', 'cartflows' ), '<code>Cartflows_WC_Logger::log</code>', $level ), '3.0' ); } if ( $this->should_handle( $level ) ) { $timestamp = time(); $message = apply_filters( 'cartflows_logger_log_message', $message, $level, $context ); foreach ( $this->handlers as $handler ) { $handler->handle( $timestamp, $level, $message, $context ); } } } /* * Adds an emergency level message. * * System is unusable. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. / public function emergency( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::EMERGENCY, $message, $context ); } /* * Adds an alert level message. * * Action must be taken immediately. * Example: Entire website down, database unavailable, etc. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. / public function alert( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::ALERT, $message, $context ); } /* * Adds a critical level message. * * Critical conditions. * Example: Application component unavailable, unexpected exception. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. / public function critical( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::CRITICAL, $message, $context ); } /* * Adds an error level message. * * Runtime errors that do not require immediate action but should typically be logged * and monitored. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. / public function error( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::ERROR, $message, $context ); } /* * Adds a warning level message. * * Exceptional occurrences that are not errors. * * Example: Use of deprecated APIs, poor use of an API, undesirable things that are not * necessarily wrong. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. / public function warning( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::WARNING, $message, $context ); } /* * Adds a notice level message. * * Normal but significant events. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. / public function notice( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::NOTICE, $message, $context ); } /* * Adds a info level message. * * Interesting events. * Example: User logs in, SQL logs. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. / public function info( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::INFO, $message, $context ); } /* * Adds a debug level message. * * Detailed debug information. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. / public function debug( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::DEBUG, $message, $context ); } /* * Clear entries for a chosen file/source. * * @param string $source Source/handle to clear. * @return bool / public function clear( $source = '' ) { if ( ! $source ) { return false; } foreach ( $this->handlers as $handler ) { if ( is_callable( array( $handler, 'clear' ) ) ) { $handler->clear( $source ); } } return true; } /* * Clear all logs older than a defined number of days. Defaults to 30 days. * * @since 3.4.0 / public function clear_expired_logs() { $days = absint( apply_filters( 'cartflows_logger_days_to_retain_logs', 30 ) ); $timestamp = strtotime( "-{$days} days" ); foreach ( $this->handlers as $handler ) { if ( is_callable( array( $handler, 'delete_logs_before_timestamp' ) ) ) { $handler->delete_logs_before_timestamp( $timestamp ); } } } } class-cartflows-log-handler-file.php��0000666��00000026764�15214017167�0013522 0��ustar�00��<?php /* * Class Cartflows_Log_Handler_File file. * * @package WooCommerce\Log Handlers / if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } /* * Handles log entries by writing to a file. * * @class Cartflows_Log_Handler_File * @version 1.0.0 * @package WooCommerce/Classes/Log_Handlers / class Cartflows_Log_Handler_File extends Cartflows_Log_Handler { /* * Stores open file handles. * * @var array / protected $handles = array(); /* * File size limit for log files in bytes. * * @var int / protected $log_size_limit; /* * Cache logs that could not be written. * * If a log is written too early in the request, pluggable functions may be unavailable. These * logs will be cached and written on 'plugins_loaded' action. * * @var array / protected $cached_logs = array(); /* * Constructor for the logger. * * @param int $log_size_limit Optional. Size limit for log files. Default 5mb. / public function __construct( $log_size_limit = null ) { if ( null === $log_size_limit ) { $log_size_limit = 5 1024 * 1024; } $this->log_size_limit = apply_filters( 'cartflows_log_file_size_limit', $log_size_limit ); add_action( 'plugins_loaded', array( $this, 'write_cached_logs' ) ); } /** * Destructor. * * Cleans up open file handles. / public function __destruct() { foreach ( $this->handles as $handle ) { if ( is_resource( $handle ) ) { fclose( $handle ); // @codingStandardsIgnoreLine. } } } /* * Handle a log entry. * * @param int $timestamp Log timestamp. * @param string $level emergency\|alert\|critical\|error\|warning\|notice\|info\|debug. * @param string $message Log message. * @param array $context { * Additional information for log handlers. * * @type string $source Optional. Determines log file to write to. Default 'log'. * @type bool $_legacy Optional. Default false. True to use outdated log format * originally used in deprecated Cartflows_WC_Logger::add calls. * } * * @return bool False if value was not handled and true if value was handled. / public function handle( $timestamp, $level, $message, $context ) { if ( isset( $context['source'] ) && $context['source'] ) { $handle = $context['source']; } else { $handle = 'log'; } $entry = self::format_entry( $timestamp, $level, $message, $context ); return $this->add( $entry, $handle ); } /* * Builds a log entry text from timestamp, level and message. * * @param int $timestamp Log timestamp. * @param string $level emergency\|alert\|critical\|error\|warning\|notice\|info\|debug. * @param string $message Log message. * @param array $context Additional information for log handlers. * * @return string Formatted log entry. / protected static function format_entry( $timestamp, $level, $message, $context ) { if ( isset( $context['_legacy'] ) && true === $context['_legacy'] ) { if ( isset( $context['source'] ) && $context['source'] ) { $handle = $context['source']; } else { $handle = 'log'; } $message = apply_filters( 'cartflows_logger_add_message', $message, $handle ); $time = date_i18n( 'm-d-Y @ H:i:s' ); $entry = "{$time} - {$message}"; } else { $entry = parent::format_entry( $timestamp, $level, $message, $context ); } return $entry; } /* * Open log file for writing. * * @param string $handle Log handle. * @param string $mode Optional. File mode. Default 'a'. * @return bool Success. / protected function open( $handle, $mode = 'a' ) { if ( $this->is_open( $handle ) ) { return true; } $file = self::get_log_file_path( $handle ); if ( $file ) { if ( ! file_exists( $file ) ) { $temphandle = @fopen( $file, 'w+' ); // @codingStandardsIgnoreLine. @fclose( $temphandle ); // @codingStandardsIgnoreLine. if ( defined( 'FS_CHMOD_FILE' ) ) { @chmod( $file, FS_CHMOD_FILE ); // @codingStandardsIgnoreLine. } } $resource = @fopen( $file, $mode ); // @codingStandardsIgnoreLine. if ( $resource ) { $this->handles[ $handle ] = $resource; return true; } } return false; } /* * Check if a handle is open. * * @param string $handle Log handle. * @return bool True if $handle is open. / protected function is_open( $handle ) { return array_key_exists( $handle, $this->handles ) && is_resource( $this->handles[ $handle ] ); } /* * Close a handle. * * @param string $handle Log handle. * @return bool success / protected function close( $handle ) { $result = false; if ( $this->is_open( $handle ) ) { $result = fclose( $this->handles[ $handle ] ); // @codingStandardsIgnoreLine. unset( $this->handles[ $handle ] ); } return $result; } /* * Add a log entry to chosen file. * * @param string $entry Log entry text. * @param string $handle Log entry handle. * * @return bool True if write was successful. / protected function add( $entry, $handle ) { $result = false; if ( $this->should_rotate( $handle ) ) { $this->log_rotate( $handle ); } if ( $this->open( $handle ) && is_resource( $this->handles[ $handle ] ) ) { $result = fwrite( $this->handles[ $handle ], $entry . PHP_EOL ); // @codingStandardsIgnoreLine. } else { $this->cache_log( $entry, $handle ); } return false !== $result; } /* * Clear entries from chosen file. * * @param string $handle Log handle. * * @return bool / public function clear( $handle ) { $result = false; // Close the file if it's already open. $this->close( $handle ); /* * $this->open( $handle, 'w' ) == Open the file for writing only. Place the file pointer at * the beginning of the file, and truncate the file to zero length. / if ( $this->open( $handle, 'w' ) && is_resource( $this->handles[ $handle ] ) ) { $result = true; } do_action( 'cartflows_log_clear', $handle ); return $result; } /* * Remove/delete the chosen file. * * @param string $handle Log handle. * * @return bool / public function remove( $handle ) { $removed = false; $logs = $this->get_log_files(); $handle = sanitize_title( $handle ); if ( isset( $logs[ $handle ] ) && $logs[ $handle ] ) { $file = realpath( trailingslashit( CARTFLOWS_LOG_DIR ) . $logs[ $handle ] ); if ( 0 === stripos( $file, realpath( trailingslashit( CARTFLOWS_LOG_DIR ) ) ) && is_file( $file ) && is_writable( $file ) ) { // phpcs:ignore WordPress.VIP.FileSystemWritesDisallow.file_ops_is_writable $this->close( $file ); // Close first to be certain no processes keep it alive after it is unlinked. $removed = unlink( $file ); // phpcs:ignore WordPress.VIP.FileSystemWritesDisallow.file_ops_unlink } do_action( 'cartflows_log_remove', $handle, $removed ); } return $removed; } /* * Check if log file should be rotated. * * Compares the size of the log file to determine whether it is over the size limit. * * @param string $handle Log handle. * @return bool True if if should be rotated. / protected function should_rotate( $handle ) { $file = self::get_log_file_path( $handle ); if ( $file ) { if ( $this->is_open( $handle ) ) { $file_stat = fstat( $this->handles[ $handle ] ); return $file_stat['size'] > $this->log_size_limit; } elseif ( file_exists( $file ) ) { return filesize( $file ) > $this->log_size_limit; } else { return false; } } else { return false; } } /* * Rotate log files. * * Logs are rotated by prepending '.x' to the '.log' suffix. * The current log plus 10 historical logs are maintained. * For example: * base.9.log -> [ REMOVED ] * base.8.log -> base.9.log * ... * base.0.log -> base.1.log * base.log -> base.0.log * * @param string $handle Log handle. / protected function log_rotate( $handle ) { for ( $i = 8; $i >= 0; $i-- ) { $this->increment_log_infix( $handle, $i ); } $this->increment_log_infix( $handle ); } /* * Increment a log file suffix. * * @param string $handle Log handle. * @param null\|int $number Optional. Default null. Log suffix number to be incremented. * @return bool True if increment was successful, otherwise false. / protected function increment_log_infix( $handle, $number = null ) { if ( null === $number ) { $suffix = ''; $next_suffix = '.0'; } else { $suffix = '.' . $number; $next_suffix = '.' . ( $number + 1 ); } $rename_from = self::get_log_file_path( "{$handle}{$suffix}" ); $rename_to = self::get_log_file_path( "{$handle}{$next_suffix}" ); if ( $this->is_open( $rename_from ) ) { $this->close( $rename_from ); } if ( is_writable( $rename_from ) ) { // phpcs:ignore WordPress.VIP.FileSystemWritesDisallow.file_ops_is_writable return rename( $rename_from, $rename_to ); // phpcs:ignore WordPress.VIP.FileSystemWritesDisallow.file_ops_rename } else { return false; } } /* * Get a log file path. * * @param string $handle Log name. * @return bool\|string The log file path or false if path cannot be determined. / public static function get_log_file_path( $handle ) { if ( function_exists( 'wp_hash' ) ) { return trailingslashit( CARTFLOWS_LOG_DIR ) . self::get_log_file_name( $handle ); } else { wc_doing_it_wrong( __METHOD__, __( 'This method should not be called before plugins_loaded.', 'cartflows' ), '3.0' ); return false; } } /* * Get a log file name. * * File names consist of the handle, followed by the date, followed by a hash, .log. * * @since 3.3 * @param string $handle Log name. * @return bool\|string The log file name or false if cannot be determined. / public static function get_log_file_name( $handle ) { if ( function_exists( 'wp_hash' ) ) { $date_suffix = gmdate( 'Y-m-d', time() ); $hash_suffix = wp_hash( $handle ); return sanitize_file_name( implode( '-', array( $handle, $date_suffix, $hash_suffix ) ) . '.log' ); } else { wc_doing_it_wrong( __METHOD__, __( 'This method should not be called before plugins_loaded.', 'cartflows' ), '3.3' ); return false; } } /* * Cache log to write later. * * @param string $entry Log entry text. * @param string $handle Log entry handle. / protected function cache_log( $entry, $handle ) { $this->cached_logs[] = array( 'entry' => $entry, 'handle' => $handle, ); } /* * Write cached logs. / public function write_cached_logs() { foreach ( $this->cached_logs as $log ) { $this->add( $log['entry'], $log['handle'] ); } } /* * Delete all logs older than a defined timestamp. * * @since 3.4.0 * @param integer $timestamp Timestamp to delete logs before. / public static function delete_logs_before_timestamp( $timestamp = 0 ) { if ( ! $timestamp ) { return; } $log_files = self::get_log_files(); foreach ( $log_files as $log_file ) { $last_modified = filemtime( trailingslashit( CARTFLOWS_LOG_DIR ) . $log_file ); if ( $last_modified < $timestamp ) { @unlink( trailingslashit( CARTFLOWS_LOG_DIR ) . $log_file ); // @codingStandardsIgnoreLine. } } } /* * Get all log files in the log directory. * * @since 3.4.0 * @return array / public static function get_log_files() { $files = @scandir( CARTFLOWS_LOG_DIR ); // @codingStandardsIgnoreLine. $result = array(); if ( ! empty( $files ) ) { foreach ( $files as $key => $value ) { if ( ! in_array( $value, array( '.', '..' ), true ) ) { if ( ! is_dir( $value ) && strstr( $value, '.log' ) ) { $result[ sanitize_title( $value ) ] = $value; } } } } return $result; } } ��class-cartflows-log-handler.php��0000666��00000002637�15214017167�0012576 0��ustar�00��<?php /* * Log handling functionality. * * @class Cartflows_Log_Handler * @package WooCommerce/Abstracts / if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } /* * Abstract WC Log Handler Class * * @version 1.0.0 * @package WooCommerce/Abstracts / abstract class Cartflows_Log_Handler implements Cartflows_Log_Handler_Interface { /* * Formats a timestamp for use in log messages. * * @param int $timestamp Log timestamp. * @return string Formatted time for use in log entry. / protected static function format_time( $timestamp ) { return gmdate( 'c', $timestamp ); } /* * Builds a log entry text from level, timestamp and message. * * @param int $timestamp Log timestamp. * @param string $level emergency\|alert\|critical\|error\|warning\|notice\|info\|debug. * @param string $message Log message. * @param array $context Additional information for log handlers. * * @return string Formatted log entry. / protected static function format_entry( $timestamp, $level, $message, $context ) { $time_string = self::format_time( $timestamp ); $level_string = strtoupper( $level ); $entry = "{$time_string} {$level_string} {$message}"; return apply_filters( 'cartflows_format_log_entry', $entry, array( 'timestamp' => $timestamp, 'level' => $level, 'message' => $message, 'context' => $context, ) ); } } ��class-cartflows-log-levels.php��0000666��00000005057�15214017167�0012452 0��ustar�00��<?php /* * Standard log levels * * @version 3.2.0 * @package WooCommerce/Classes / defined( 'ABSPATH' ) \|\| exit; /* * Log levels class. / abstract class Cartflows_Log_Levels { /* * Log Levels * * Description of levels: * 'emergency': System is unusable. * 'alert': Action must be taken immediately. * 'critical': Critical conditions. * 'error': Error conditions. * 'warning': Warning conditions. * 'notice': Normal but significant condition. * 'info': Informational messages. * 'debug': Debug-level messages. * * @see @link {https://tools.ietf.org/html/rfc5424} / const EMERGENCY = 'emergency'; const ALERT = 'alert'; const CRITICAL = 'critical'; const ERROR = 'error'; const WARNING = 'warning'; const NOTICE = 'notice'; const INFO = 'info'; const DEBUG = 'debug'; /* * Level strings mapped to integer severity. * * @var array / protected static $level_to_severity = array( self::EMERGENCY => 800, self::ALERT => 700, self::CRITICAL => 600, self::ERROR => 500, self::WARNING => 400, self::NOTICE => 300, self::INFO => 200, self::DEBUG => 100, ); /* * Severity integers mapped to level strings. * * This is the inverse of $level_severity. * * @var array / protected static $severity_to_level = array( 800 => self::EMERGENCY, 700 => self::ALERT, 600 => self::CRITICAL, 500 => self::ERROR, 400 => self::WARNING, 300 => self::NOTICE, 200 => self::INFO, 100 => self::DEBUG, ); /* * Validate a level string. * * @param string $level Log level. * @return bool True if $level is a valid level. / public static function is_valid_level( $level ) { return array_key_exists( strtolower( $level ), self::$level_to_severity ); } /* * Translate level string to integer. * * @param string $level Log level, options: emergency\|alert\|critical\|error\|warning\|notice\|info\|debug. * @return int 100 (debug) - 800 (emergency) or 0 if not recognized / public static function get_level_severity( $level ) { return self::is_valid_level( $level ) ? self::$level_to_severity[ strtolower( $level ) ] : 0; } /* * Translate severity integer to level string. * * @param int $severity Serevity level. * @return bool\|string False if not recognized. Otherwise string representation of level. */ public static function get_severity_level( $severity ) { if ( ! array_key_exists( $severity, self::$severity_to_level ) ) { return false; } return self::$severity_to_level[ $severity ]; } } ��

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