109 lines
2.5 KiB
PHP
109 lines
2.5 KiB
PHP
<?php
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/**
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* Standard log levels
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*
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* @version 3.2.0
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* @package WooCommerce\Classes
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*/
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defined( 'ABSPATH' ) || exit;
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/**
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* Log levels class.
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*/
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abstract class WC_Log_Levels {
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/**
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* Log Levels
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*
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* Description of levels:
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* 'emergency': System is unusable.
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* 'alert': Action must be taken immediately.
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* 'critical': Critical conditions.
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* 'error': Error conditions.
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* 'warning': Warning conditions.
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* 'notice': Normal but significant condition.
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* 'info': Informational messages.
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* 'debug': Debug-level messages.
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*
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* @see @link {https://tools.ietf.org/html/rfc5424}
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*/
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const EMERGENCY = 'emergency';
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const ALERT = 'alert';
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const CRITICAL = 'critical';
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const ERROR = 'error';
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const WARNING = 'warning';
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const NOTICE = 'notice';
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const INFO = 'info';
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const DEBUG = 'debug';
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/**
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* Level strings mapped to integer severity.
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*
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* @var array
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*/
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protected static $level_to_severity = array(
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self::EMERGENCY => 800,
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self::ALERT => 700,
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self::CRITICAL => 600,
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self::ERROR => 500,
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self::WARNING => 400,
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self::NOTICE => 300,
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self::INFO => 200,
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self::DEBUG => 100,
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);
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/**
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* Severity integers mapped to level strings.
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*
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* This is the inverse of $level_severity.
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*
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* @var array
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*/
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protected static $severity_to_level = array(
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800 => self::EMERGENCY,
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700 => self::ALERT,
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600 => self::CRITICAL,
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500 => self::ERROR,
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400 => self::WARNING,
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300 => self::NOTICE,
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200 => self::INFO,
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100 => self::DEBUG,
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);
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/**
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* Validate a level string.
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*
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* @param string $level Log level.
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* @return bool True if $level is a valid level.
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*/
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public static function is_valid_level( $level ) {
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return array_key_exists( strtolower( $level ), self::$level_to_severity );
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}
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/**
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* Translate level string to integer.
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*
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* @param string $level Log level, options: emergency|alert|critical|error|warning|notice|info|debug.
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* @return int 100 (debug) - 800 (emergency) or 0 if not recognized
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*/
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public static function get_level_severity( $level ) {
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return self::is_valid_level( $level ) ? self::$level_to_severity[ strtolower( $level ) ] : 0;
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}
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/**
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* Translate severity integer to level string.
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*
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* @param int $severity Severity level.
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* @return bool|string False if not recognized. Otherwise string representation of level.
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*/
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public static function get_severity_level( $severity ) {
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if ( ! array_key_exists( $severity, self::$severity_to_level ) ) {
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return false;
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}
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return self::$severity_to_level[ $severity ];
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}
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}
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