71 行
2.5 KiB
PHP
71 行
2.5 KiB
PHP
<?php
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if (!defined('IN_APP')) exit('Forbidden');
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class Logger
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{
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private static $dir;
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private static $enabled = true;
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private static $minLevel = 0;
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const DEBUG = 0;
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const INFO = 1;
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const WARN = 2;
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const ERROR = 3;
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public static function init($dir, $enabled = true, $minLevel = 0)
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{
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self::$dir = rtrim($dir, '/\\');
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self::$enabled = $enabled;
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self::$minLevel = $minLevel;
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if (!is_dir(self::$dir)) {
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@mkdir(self::$dir, 0755, true);
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}
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}
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public static function debug($message, array $context = [])
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{
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self::write(self::DEBUG, $message, $context);
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}
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public static function info($message, array $context = [])
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{
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self::write(self::INFO, $message, $context);
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}
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public static function warn($message, array $context = [])
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{
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self::write(self::WARN, $message, $context);
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}
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public static function error($message, array $context = [])
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{
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self::write(self::ERROR, $message, $context);
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}
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private static function write($level, $message, array $context)
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{
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if (!self::$enabled || $level < self::$minLevel) return;
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$levelNames = [self::DEBUG => 'DEBUG', self::INFO => 'INFO', self::WARN => 'WARN', self::ERROR => 'ERROR'];
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$date = date('Y-m-d');
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$time = date('Y-m-d H:i:s');
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$levelName = $levelNames[$level] ?? 'LOG';
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$ctxStr = '';
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if (!empty($context)) {
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$parts = [];
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foreach ($context as $k => $v) {
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if (is_array($v) || is_object($v)) {
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$v = json_encode($v, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
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}
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$parts[] = $k . '=' . $v;
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}
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$ctxStr = ' [' . implode(', ', $parts) . ']';
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}
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$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3);
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$caller = '';
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if (isset($trace[2])) {
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$file = basename($trace[2]['file'] ?? '');
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$line = $trace[2]['line'] ?? '';
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$caller = " [{$file}:{$line}]";
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}
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$logLine = "[{$time}] [{$levelName}]{$caller} {$message}{$ctxStr}" . PHP_EOL;
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$file = self::$dir . DIRECTORY_SEPARATOR . $date . '.log';
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@file_put_contents($file, $logLine, FILE_APPEND | LOCK_EX);
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if (file_exists($file) && filesize($file) > 10 * 1024 * 1024) {
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$rotated = self::$dir . DIRECTORY_SEPARATOR . $date . '.log.1';
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@rename($file, $rotated);
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}
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}
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}
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