cartflows / classes / logger / class-cartflows-log-levels.php

class-cartflows-log-levels.php in CartFlows – Funnel Builder & Checkout Plugin for WooCommerce 3.1.1, at classes/logger/class-cartflows-log-levels.php

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1	<?php
2	/**
3	* Standard log levels
4	*
5	* @version 3.2.0
6	* @package WooCommerce/Classes
7	*/
8
9	defined( 'ABSPATH' ) \|\| exit;
10
11	/**
12	* Log levels class.
13	*/
14	abstract class Cartflows_Log_Levels {
15
16	/**
17	* Log Levels
18	*
19	* Description of levels:
20	* 'emergency': System is unusable.
21	* 'alert': Action must be taken immediately.
22	* 'critical': Critical conditions.
23	* 'error': Error conditions.
24	* 'warning': Warning conditions.
25	* 'notice': Normal but significant condition.
26	* 'info': Informational messages.
27	* 'debug': Debug-level messages.
28	*
29	* @see @link {https://tools.ietf.org/html/rfc5424}
30	*/
31	const EMERGENCY = 'emergency';
32	const ALERT = 'alert';
33	const CRITICAL = 'critical';
34	const ERROR = 'error';
35	const WARNING = 'warning';
36	const NOTICE = 'notice';
37	const INFO = 'info';
38	const DEBUG = 'debug';
39
40	/**
41	* Level strings mapped to integer severity.
42	*
43	* @var array
44	*/
45	protected static $level_to_severity = array(
46	self::EMERGENCY => 800,
47	self::ALERT => 700,
48	self::CRITICAL => 600,
49	self::ERROR => 500,
50	self::WARNING => 400,
51	self::NOTICE => 300,
52	self::INFO => 200,
53	self::DEBUG => 100,
54	);
55
56	/**
57	* Severity integers mapped to level strings.
58	*
59	* This is the inverse of $level_severity.
60	*
61	* @var array
62	*/
63	protected static $severity_to_level = array(
64	800 => self::EMERGENCY,
65	700 => self::ALERT,
66	600 => self::CRITICAL,
67	500 => self::ERROR,
68	400 => self::WARNING,
69	300 => self::NOTICE,
70	200 => self::INFO,
71	100 => self::DEBUG,
72	);
73
74
75	/**
76	* Validate a level string.
77	*
78	* @param string $level Log level.
79	* @return bool True if $level is a valid level.
80	*/
81	public static function is_valid_level( $level ) {
82	return array_key_exists( strtolower( $level ), self::$level_to_severity );
83	}
84
85	/**
86	* Translate level string to integer.
87	*
88	* @param string $level Log level, options: emergency\|alert\|critical\|error\|warning\|notice\|info\|debug.
89	* @return int 100 (debug) - 800 (emergency) or 0 if not recognized
90	*/
91	public static function get_level_severity( $level ) {
92	return self::is_valid_level( $level ) ? self::$level_to_severity[ strtolower( $level ) ] : 0;
93	}
94
95	/**
96	* Translate severity integer to level string.
97	*
98	* @param int $severity Serevity level.
99	* @return bool\|string False if not recognized. Otherwise string representation of level.
100	*/
101	public static function get_severity_level( $severity ) {
102	if ( ! array_key_exists( $severity, self::$severity_to_level ) ) {
103	return false;
104	}
105	return self::$severity_to_level[ $severity ];
106	}
107
108	}
109