File: /www/wwwroot/www.cytocare.cn/wp-content/plugins/site-mailer/classes/logger.php
<?php
namespace SiteMailer\Classes;
if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}
class Logger {
	public const LEVEL_ERROR = 'error';
	public const LEVEL_WARN = 'warn';
	public const LEVEL_INFO = 'info';
	private static function log( string $log_level, $message ): void {
		$backtrace = debug_backtrace(); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_debug_backtrace
		$class    = $backtrace[2]['class'] ?? null;
		$type     = $backtrace[2]['type'] ?? null;
		$function = $backtrace[2]['function'];
		if ( $class ) {
			$message = '[Site Mailer]: ' . $log_level . ' in ' . "$class$type$function()" . ': ' . $message;
		} else {
			$message = '[Site Mailer]: ' . $log_level . ' in ' . "$function()" . ': ' . $message;
		}
		error_log( $message ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
	}
	public static function error( $message ): void {
		self::log( self::LEVEL_ERROR, $message );
	}
	public static function info( $message ): void {
		self::log( self::LEVEL_INFO, $message );
	}
}