<?php declare(strict_types=1);
/*
* This file is part of the Monolog package.
*
* (c) Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Monolog;
final class Utils
{
const DEFAULT_JSON_FLAGS = JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRESERVE_ZERO_FRACTION | JSON_INVALID_UTF8_SUBSTITUTE | JSON_PARTIAL_OUTPUT_ON_ERROR;
public static function getClass(object $object): string
{
$class = \get_class($object);
if (false === ($pos = \strpos($class, "@anonymous\0"))) {
return $class;
}
if (false === ($parent = \get_parent_class($class))) {
return \substr($class, 0, $pos + 10);
}
return $parent . '@anonymous';
}
public static function substr(string $string, int $start, ?int $length = null): string
{
if (extension_loaded('mbstring')) {
return mb_strcut($string, $start, $length);
}
return substr($string, $start, (null === $length) ? strlen($string) : $length);
}
/**
* Makes sure if a relative path is passed in it is turned into an absolute path
*
* @param string $streamUrl stream URL or path without protocol
*/
public static function canonicalizePath(string $streamUrl): string
{
$prefix = '';
if ('file://' === substr($streamUrl, 0, 7)) {
$streamUrl = substr($streamUrl, 7);
$prefix = 'file://';
}
// other type of stream, not supported
if (false !== strpos($streamUrl, '://')) {
return $streamUrl;
}
// already absolute
if (substr($streamUrl, 0, 1) === '/' || substr($streamUrl, 1, 1) === ':' || substr($streamUrl, 0, 2) === '\\\\') {
return $prefix.$streamUrl;
}
$streamUrl = getcwd() . '/' . $streamUrl;
return $prefix.$streamUrl;
}
/**
* Return the JSON representation of a value
*
* @param mixed $data
* @param int $encodeFlags flags to pass to json encode, defaults to DEFAULT_JSON_FLAGS
* @param bool $ignoreErrors whether to ignore encoding errors or to throw on error, when ignored and the encoding fails, "null" is returned which is valid json for null
* @throws \RuntimeException if encoding fails and errors are not ignored
* @return string when errors are ignored and the encoding fails, "null" is returned which is valid json for null
*/
public static function jsonEncode($data, ?int $encodeFlags = null, bool $ignoreErrors = false): string
{
if (null === $encodeFlags) {
$encodeFlags = self::DEFAULT_JSON_FLAGS;
}
if ($ignoreErrors) {
$json = @json_encode($data, $encodeFlags);
if (false === $json) {
return 'null';
}
return $json;
}
$json = json_encode($data, $encodeFlags);
if (false === $json) {
$json = self::handleJsonError(json_last_error(), $data);
}
return $json;
}
/**
* Handle a json_encode failure.
*
* If the failure is due to invalid string encoding, try to clean the
* input and encode again. If the second encoding attempt fails, the
* initial error is not encoding related or the input can't be cleaned then
* raise a descriptive exception.
*
* @param int $code return code of json_last_error function
* @param mixed $data data that was meant to be encoded
* @param int $encodeFlags flags to pass to json encode, defaults to JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRESERVE_ZERO_FRACTION
* @throws \RuntimeException if failure can't be corrected
* @return string JSON encoded data after error correction
*/
public static function handleJsonError(int $code, $data, ?int $encodeFlags = null): string
{
if ($code !== JSON_ERROR_UTF8) {
self::throwEncodeError($code, $data);
}
if (is_string($data)) {
self::detectAndCleanUtf8($data);
} elseif (is_array($data)) {
array_walk_recursive($data, array('Monolog\Utils', 'detectAndCleanUtf8'));
} else {
self::throwEncodeError($code, $data);
}
if (null === $encodeFlags) {
$encodeFlags = self::DEFAULT_JSON_FLAGS;
}
$json = json_encode($data, $encodeFlags);
if ($json === false) {
self::throwEncodeError(json_last_error(), $data);
}
return $json;
}
/**
* @internal
*/
public static function pcreLastErrorMessage(int $code): string
{
if (PHP_VERSION_ID >= 80000) {
return preg_last_error_msg();
}
$constants = (get_defined_constants(true))['pcre'];
$constants = array_filter($constants, function ($key) {
return substr($key, -6) == '_ERROR';
}, ARRAY_FILTER_USE_KEY);
$constants = array_flip($constants);
return $constants[$code] ?? 'UNDEFINED_ERROR';
}
/**
* Throws an exception according to a given code with a customized message
*
* @param int $code return code of json_last_error function
* @param mixed $data data that was meant to be encoded
* @throws \RuntimeException
*
* @return never
*/
private static function throwEncodeError(int $code, $data): void
{
switch ($code) {
case JSON_ERROR_DEPTH:
$msg = 'Maximum stack depth exceeded';
break;
case JSON_ERROR_STATE_MISMATCH:
$msg = 'Underflow or the modes mismatch';
break;
case JSON_ERROR_CTRL_CHAR:
$msg = 'Unexpected control character found';
break;
case JSON_ERROR_UTF8:
$msg = 'Malformed UTF-8 characters, possibly incorrectly encoded';
break;
default:
$msg = 'Unknown error';
}
throw new \RuntimeException('JSON encoding failed: '.$msg.'. Encoding: '.var_export($data, true));
}
/**
* Detect invalid UTF-8 string characters and convert to valid UTF-8.
*
* Valid UTF-8 input will be left unmodified, but strings containing
* invalid UTF-8 codepoints will be reencoded as UTF-8 with an assumed
* original encoding of ISO-8859-15. This conversion may result in
* incorrect output if the actual encoding was not ISO-8859-15, but it
* will be clean UTF-8 output and will not rely on expensive and fragile
* detection algorithms.
*
* Function converts the input in place in the passed variable so that it
* can be used as a callback for array_walk_recursive.
*
* @param mixed $data Input to check and convert if needed, passed by ref
*/
private static function detectAndCleanUtf8(&$data): void
{
if (is_string($data) && !preg_match('//u', $data)) {
$data = preg_replace_callback(
'/[\x80-\xFF]+/',
function ($m) {
return function_exists('mb_convert_encoding') ? mb_convert_encoding($m[0], 'UTF-8', 'ISO-8859-1') : utf8_encode($m[0]);
},
$data
);
if (!is_string($data)) {
$pcreErrorCode = preg_last_error();
throw new \RuntimeException('Failed to preg_replace_callback: ' . $pcreErrorCode . ' / ' . self::pcreLastErrorMessage($pcreErrorCode));
}
$data = str_replace(
['¤', '¦', '¨', '´', '¸', '¼', '½', '¾'],
['€', 'Š', 'š', 'Ž', 'ž', 'Œ', 'œ', 'Ÿ'],
$data
);
}
}
/**
* Converts a string with a valid 'memory_limit' format, to bytes.
*
* @param string|false $val
* @return int|false Returns an integer representing bytes. Returns FALSE in case of error.
*/
public static function expandIniShorthandBytes($val)
{
if (!is_string($val)) {
return false;
}
// support -1
if ((int) $val < 0) {
return (int) $val;
}
if (!preg_match('/^\s*(?<val>\d+)(?:\.\d+)?\s*(?<unit>[gmk]?)\s*$/i', $val, $match)) {
return false;
}
$val = (int) $match['val'];
switch (strtolower($match['unit'] ?? '')) {
case 'g':
$val *= 1024;
case 'm':
$val *= 1024;
case 'k':
$val *= 1024;
}
return $val;
}
/**
* @param array<mixed> $record
*/
public static function getRecordMessageForException(array $record): string
{
$context = '';
$extra = '';
try {
if ($record['context']) {
$context = "\nContext: " . json_encode($record['context']);
}
if ($record['extra']) {
$extra = "\nExtra: " . json_encode($record['extra']);
}
} catch (\Throwable $e) {
// noop
}
return "\nThe exception occurred while attempting to log: " . $record['message'] . $context . $extra;
}
}
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Testimonial Section
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In the digital age, privacy concerns have become increasingly paramount, prompting the European Union to enact the General Data Protection Regulation (GDPR) in 2018. Among its many provisions, GDPR sets strict guidelines for the collection and processing of personal data, including the use of cookies on websites. Privacy Policy
