Your IP : 216.73.216.220
<?php
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\Log;
use Psr\Log\InvalidArgumentException;
/**
* Log levels according to RFC 3164
*/
class LogLevel extends \Psr\Log\LogLevel
{
/**
* Reverse look up of log level to level name.
*
* @var array
*/
protected static $levels = [
self::EMERGENCY,
self::ALERT,
self::CRITICAL,
self::ERROR,
self::WARNING,
self::NOTICE,
self::INFO,
self::DEBUG,
];
/**
* Resolves the name of a log level and returns it in upper case letters
*
* @param int $level Log level.
* @return string Log level name.
*/
public static function getName(int $level): string
{
return strtoupper(static::getInternalName($level));
}
/**
* Resolves the name of the log level and returns its internal string representation
*/
public static function getInternalName(int $level): string
{
self::validateLevel($level);
return static::$levels[$level];
}
/**
* Checks a level for validity,
* whether it is an integer and in the range of 0-7.
*
* @param int $level log level to validate
* @return bool TRUE if the given log level is valid, FALSE otherwise
*/
public static function isValidLevel(int $level): bool
{
return isset(static::$levels[$level]);
}
/**
* Validates a log level.
*
* @param int $level log level to validate
* @throws InvalidArgumentException if the given log level is invalid
*/
public static function validateLevel(int $level): void
{
if (!self::isValidLevel($level)) {
throw new InvalidArgumentException('Invalid Log Level ' . $level, 1321637121);
}
}
/**
* Normalizes level by converting it from string to integer
*
* @param string|int $level
*/
public static function normalizeLevel($level): int
{
if (is_string($level)) {
if (!defined(__CLASS__ . '::' . strtoupper($level))) {
throw new InvalidArgumentException('Invalid Log Level ' . $level, 1550247164);
}
return array_search(strtolower($level), self::$levels, true);
}
return (int)$level;
}
/**
* Returns a list of all log levels at least as severe as the specified level.
*
* @param int|string $level
* @return array<string>
*/
public static function atLeast($level): array
{
$level = self::normalizeLevel($level);
return array_filter(self::$levels, static fn($intLevel) => $intLevel <= $level, ARRAY_FILTER_USE_KEY);
}
}