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File Content: `SnapLog.php`

<?php

/**
 *
 * @package   Duplicator
 * @copyright (c) 2022, Snap Creek LLC
 */

namespace Duplicator\Libs\Snap;

use Error;
use Exception;

class SnapLog
{
    /** @var ?string */
    public static $logFilepath = null;
    /** @var ?resource */
    public static $logHandle = null;

    /**
     * Init log file
     *
     * @param string $logFilepath lof file path
     *
     * @return void
     */
    public static function init($logFilepath)
    {
        self::$logFilepath = $logFilepath;
    }

    /**
     * write in PHP error log with DUP prefix
     *
     * @param string $message error message
     * @param int    $type    error type
     *
     * @return bool true on success or false on failure.
     *
     * @link https://php.net/manual/en/function.error-log.php
     */
    public static function phpErr($message, $type = 0)
    {
        if (function_exists('error_log')) {
            return error_log('DUP:' . $message, $type);
        } else {
            return true;
        }
    }

    /**
     * Remove file log if exists
     *
     * @return void
     */
    public static function clearLog()
    {
        if (file_exists(self::$logFilepath)) {
            if (self::$logHandle !== null) {
                fflush(self::$logHandle);
                fclose(self::$logHandle);
                self::$logHandle = null;
            }
            @unlink(self::$logFilepath);
        }
    }

    /**
     * Write in log passed object
     *
     * @param string  $s     log string
     * @param mixed   $o     object to print
     * @param boolean $flush if true flush log file
     *
     * @return void
     */
    public static function logObject($s, $o, $flush = false)
    {
        self::log($s, $flush);
        self::log(print_r($o, true), $flush);
    }

    /**
     * Write in log file
     *
     * @param string    $s                       string to write
     * @param boolean   $flush                   if true flush log file
     * @param ?callable $callingFunctionOverride @deprecated 4.0.4 not used
     *
     * @return void
     */
    public static function log($s, $flush = false, $callingFunctionOverride = null)
    {
        //   echo "{$s}<br/>";
        $lfp = self::$logFilepath;
        //  echo "logging $s to {$lfp}<br/>";
        if (self::$logFilepath === null) {
            throw new Exception('Logging not initialized');
        }

        if (isset($_SERVER['REQUEST_TIME_FLOAT'])) {
            $timepart = $_SERVER['REQUEST_TIME_FLOAT'];
        } else {
            $timepart = $_SERVER['REQUEST_TIME'];
        }

        $thread_id = sprintf("%08x", abs(crc32($_SERVER['REMOTE_ADDR'] . $timepart . $_SERVER['REMOTE_PORT'])));

        $s = $thread_id . ' ' . date('h:i:s') . ":$s";

        if (self::$logHandle === null) {
            self::$logHandle = fopen(self::$logFilepath, 'a');
        }

        fwrite(self::$logHandle, "$s\n");

        if ($flush) {
            fflush(self::$logHandle);

            fclose(self::$logHandle);

            self::$logHandle = fopen(self::$logFilepath, 'a');
        }
    }

    /**
     * Get formatted string fo value
     *
     * @param mixed $var           value to convert to string
     * @param bool  $checkCallable if true check if var is callable and display it
     *
     * @return string
     */
    public static function v2str($var, $checkCallable = false)
    {
        if ($checkCallable && is_callable($var)) {
            return '(callable) ' . print_r($var, true);
        }
        switch (gettype($var)) {
            case "boolean":
                return $var ? 'true' : 'false';
            case "integer":
            case "double":
                return (string) $var;
            case "string":
                return '"' . $var . '"';
            case "array":
            case "object":
                return print_r($var, true);
            case "resource":
            case "resource (closed)":
            case "NULL":
            case "unknown type":
            default:
                return gettype($var);
        }
    }

    /**
     * Get backtrace of calling line
     *
     * @param string $message message
     *
     * @return string
     */
    public static function getCurrentbacktrace($message = 'getCurrentLineTrace')
    {
        $callers = debug_backtrace();
        array_shift($callers);
        $file    = $callers[0]['file'];
        $line    = $callers[0]['line'];
        $result  = 'BACKTRACE: ' . $message . "\n";
        $result .= "\t[" . $file . ':' . $line . "]\n";
        $result .= self::traceToString($callers, 1, true);
        return $result;
    }

    /**
     * Get trace string
     *
     * @param mixed[] $callers   result of debug_backtrace
     * @param int     $fromLevel level to start
     * @param bool    $tab       if true apply tab foreach line
     *
     * @return string
     */
    public static function traceToString($callers, $fromLevel = 0, $tab = false)
    {
        $result = '';
        for ($i = $fromLevel; $i < count($callers); $i++) {
            $result .= ($tab ? "\t" : '');
            $trace   = $callers[$i];
            if (!empty($trace['class'])) {
                $result .= str_pad('TRACE[' . $i . '] CLASS___: ' . $trace['class'] . $trace['type'] . $trace['function'], 45, ' ');
            } else {
                $result .= str_pad('TRACE[' . $i . '] FUNCTION: ' . $trace['function'], 45, ' ');
            }
            if (isset($trace['file'])) {
                $result .= ' FILE: ' . $trace['file'] . '[' . $trace['line'] . ']';
            } else {
                $result .= ' NO FILE';
            }
            $result .= "\n";
        }
        return $result;
    }

    /**
     * Get exception message file line trace
     *
     * @param Exception|Error $e              exception object
     * @param bool            $displayMessage if true diplay exception message
     *
     * @return string
     */
    public static function getTextException($e, $displayMessage = true)
    {
        $result = ($displayMessage ? $e->getMessage() . "\n" : '');
        return $result . "FILE:" . $e->getFile() . '[' . $e->getLIne() . "]\n" .
        "TRACE:\n" . $e->getTraceAsString();
    }
}
Name	Size	Permission
JsonSerialize	---	0755
FunctionalityCheck.php	3842 bytes	0644
JsonSerializable.php	581 bytes	0644
Snap32BitSizeLimitException.php	173 bytes	0644
SnapCode.php	1906 bytes	0644
SnapDB.php	25544 bytes	0644
SnapIO.php	57225 bytes	0644
SnapJson.php	9720 bytes	0644
SnapLog.php	6236 bytes	0644
SnapOS.php	833 bytes	0644
SnapOrigFileManager.php	11469 bytes	0644
SnapString.php	5021 bytes	0644
SnapURL.php	8589 bytes	0644
SnapUtil.php	34521 bytes	0644
SnapWP.php	32444 bytes	0644
index.php	16 bytes	0644
wordpress_core_files.php	184613 bytes	0644
File Content: SnapLog.php

File Content: `SnapLog.php`
