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作者 邓超
提交 75605d5e87ce450373405ea30cb0137288f2b427 1 个父辈 0751a407

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正在显示 2 个修改的文件 包含 741 行增加 和 11 行删除
... ... @@ -748,7 +748,7 @@ class Imap {
// 剔除key的值
$item_str = ltrim(implode(':',$item),$item[0].':');
// 解析编码
$item_str = mb_decode_mimeheader($item_str);
$item_str = MailFun::mb_coding($item_str);
// $key = str_replace('-','_',strtolower($item[0]));
$key = $item[0];
... ...
... ... @@ -37,16 +37,7 @@ class MailFun {
* @time 2023/3/27 13:55
*/
public static function mb_coding(string $str,array $appcode=[]){
try {
$encode = @mb_detect_encoding($str, array_merge(array("ASCII",'UTF-8',"GB2312","GBK",'BIG5'),$appcode));
if($encode){
return @mb_convert_encoding($str, 'UTF-8', $encode);
}
}catch (\Throwable $e){
}
return $str;
return (new Header())->decode($str);
}
... ... @@ -409,3 +400,742 @@ class MailFun {
}
/**
* Class Header
*
* @package Webklex\PHPIMAP
*/
class Header
{
/**
* Fallback Encoding
*
* @var string
*/
public $fallback_encoding = 'UTF-8';
/**
* Decode MIME header elements
* @link https://php.net/manual/en/function.imap-mime-header-decode.php
* @param string $text The MIME text
*
* @return array The decoded elements are returned in an array of objects, where each
* object has two properties, charset and text.
*/
public function mime_header_decode(string $text): array
{
if (extension_loaded('imap')) {
$result = \imap_mime_header_decode($text);
return is_array($result) ? $result : [];
}
$charset = $this->getEncoding($text);
return [(object)[
"charset" => $charset,
"text" => $this->convertEncoding($text, $charset)
]];
}
/**
* Check if a given pair of strings has been decoded
* @param $encoded
* @param $decoded
*
* @return bool
*/
private function notDecoded($encoded, $decoded): bool
{
return 0 === strpos($decoded, '=?')
&& strlen($decoded) - 2 === strpos($decoded, '?=')
&& false !== strpos($encoded, $decoded);
}
/**
* Convert the encoding
* @param $str
* @param string $from
* @param string $to
*
* @return mixed|string
*/
public function convertEncoding($str, $from = "ISO-8859-2", $to = "UTF-8")
{
$from = EncodingAliases::get($from, $this->fallback_encoding);
$to = EncodingAliases::get($to, $this->fallback_encoding);
if ($from === $to) {
return $str;
}
// We don't need to do convertEncoding() if charset is ASCII (us-ascii):
// ASCII is a subset of UTF-8, so all ASCII files are already UTF-8 encoded
// https://stackoverflow.com/a/11303410
//
// us-ascii is the same as ASCII:
// ASCII is the traditional name for the encoding system; the Internet Assigned Numbers Authority (IANA)
// prefers the updated name US-ASCII, which clarifies that this system was developed in the US and
// based on the typographical symbols predominantly in use there.
// https://en.wikipedia.org/wiki/ASCII
//
// convertEncoding() function basically means convertToUtf8(), so when we convert ASCII string into UTF-8 it gets broken.
if (strtolower($from) == 'us-ascii' && $to == 'UTF-8') {
return $str;
}
try {
if (function_exists('iconv') && $from != 'UTF-7' && $to != 'UTF-7') {
return iconv($from, $to, $str);
} else {
if (!$from) {
return mb_convert_encoding($str, $to);
}
return mb_convert_encoding($str, $to, $from);
}
} catch (\Exception $e) {
if (strstr($from, '-')) {
$from = str_replace('-', '', $from);
return $this->convertEncoding($str, $from, $to);
} else {
return $str;
}
}
}
/**
* Get the encoding of a given abject
* @param object|string $structure
*
* @return string
*/
public function getEncoding($structure): string
{
if (property_exists($structure, 'parameters')) {
foreach ($structure->parameters as $parameter) {
if (strtolower($parameter->attribute) == "charset") {
return EncodingAliases::get($parameter->value, $this->fallback_encoding);
}
}
} elseif (property_exists($structure, 'charset')) {
return EncodingAliases::get($structure->charset, $this->fallback_encoding);
} elseif (is_string($structure) === true) {
$result = mb_detect_encoding($structure);
return $result === false ? $this->fallback_encoding : $result;
}
return $this->fallback_encoding;
}
/**
* Test if a given value is utf-8 encoded
* @param $value
*
* @return bool
*/
private function is_uft8($value): bool
{
return strpos(strtolower($value), '=?utf-8?') === 0;
}
/**
* Try to decode a specific header
* @param mixed $value
*
* @return mixed
*/
public function decode($value)
{
if (is_array($value)) {
return $this->decodeArray($value);
}
$original_value = $value;
$decoder = 'utf-8';
if ($value !== null) {
$is_utf8_base = $this->is_uft8($value);
if ($decoder === 'utf-8' && extension_loaded('imap')) {
$value = \imap_utf8($value);
$is_utf8_base = $this->is_uft8($value);
if ($is_utf8_base) {
$value = mb_decode_mimeheader($value);
}
if ($this->notDecoded($original_value, $value)) {
$decoded_value = $this->mime_header_decode($value);
if (count($decoded_value) > 0) {
if (property_exists($decoded_value[0], "text")) {
$value = $decoded_value[0]->text;
}
}
}
} elseif ($decoder === 'iconv' && $is_utf8_base) {
$value = iconv_mime_decode($value);
} elseif ($is_utf8_base) {
$value = mb_decode_mimeheader($value);
}
if ($this->is_uft8($value)) {
$value = mb_decode_mimeheader($value);
}
if ($this->notDecoded($original_value, $value)) {
$value = $this->convertEncoding($original_value, $this->getEncoding($original_value));
}
}
return $value;
}
/**
* Decode a given array
* @param array $values
*
* @return array
*/
private function decodeArray(array $values): array
{
foreach ($values as $key => $value) {
$values[$key] = $this->decode($value);
}
return $values;
}
/**
* Exception handling for invalid dates
*
* Currently known invalid formats:
* ^ Datetime ^ Problem ^ Cause
* | Mon, 20 Nov 2017 20:31:31 +0800 (GMT+8:00) | Double timezone specification | A Windows feature
* | Thu, 8 Nov 2018 08:54:58 -0200 (-02) |
* | | and invalid timezone (max 6 char) |
* | 04 Jan 2018 10:12:47 UT | Missing letter "C" | Unknown
* | Thu, 31 May 2018 18:15:00 +0800 (added by) | Non-standard details added by the | Unknown
* | | mail server |
* | Sat, 31 Aug 2013 20:08:23 +0580 | Invalid timezone | PHPMailer bug https://sourceforge.net/p/phpmailer/mailman/message/6132703/
*
* Please report any new invalid timestamps to [#45](https://github.com/Webklex/php-imap/issues)
*
* @param object $header
*
* @throws InvalidMessageDateException
*/
private function parseDate($header)
{
if (property_exists($header, 'date')) {
$date = $header->date;
if (preg_match('/\+0580/', $date)) {
$date = str_replace('+0580', '+0530', $date);
}
$date = trim(rtrim($date));
try {
if (strpos($date, ' ') !== false) {
$date = str_replace(' ', ' ', $date);
}
$parsed_date = Carbon::parse($date);
} catch (\Exception $e) {
switch (true) {
case preg_match('/([0-9]{4}\.[0-9]{1,2}\.[0-9]{1,2}\-[0-9]{1,2}\.[0-9]{1,2}.[0-9]{1,2})+$/i', $date) > 0:
$date = Carbon::createFromFormat("Y.m.d-H.i.s", $date);
break;
case preg_match('/([0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}\ UT)+$/i', $date) > 0:
case preg_match('/([A-Z]{2,3}\,\ [0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}\ UT)+$/i', $date) > 0:
$date .= 'C';
break;
case preg_match('/([A-Z]{2,3}\,\ [0-9]{1,2}[\,]\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}\ [\-|\+][0-9]{4})+$/i', $date) > 0:
$date = str_replace(',', '', $date);
case preg_match('/([A-Z]{2,3}\,\ [0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}\ \+[0-9]{2,4}\ \(\+[0-9]{1,2}\))+$/i', $date) > 0:
case preg_match('/([A-Z]{2,3}[\,|\ \,]\ [0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}.*)+$/i', $date) > 0:
case preg_match('/([A-Z]{2,3}\,\ [0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}\ [\-|\+][0-9]{4}\ \(.*)\)+$/i', $date) > 0:
case preg_match('/([A-Z]{2,3}\, \ [0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}\ [\-|\+][0-9]{4}\ \(.*)\)+$/i', $date) > 0:
case preg_match('/([0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{2,4}\ [0-9]{2}\:[0-9]{2}\:[0-9]{2}\ [A-Z]{2}\ \-[0-9]{2}\:[0-9]{2}\ \([A-Z]{2,3}\ \-[0-9]{2}:[0-9]{2}\))+$/i', $date) > 0:
$array = explode('(', $date);
$array = array_reverse($array);
$date = trim(array_pop($array));
break;
}
$parsed_date = Carbon::parse($date);
}
}
}
}
class EncodingAliases {
/**
* Contains email encoding mappings
*
* @var array
*/
private static $aliases = [
/*
|--------------------------------------------------------------------------
| Email encoding aliases
|--------------------------------------------------------------------------
|
| Email encoding aliases used to convert to iconv supported charsets
|
|
| This Source Code Form is subject to the terms of the Mozilla Public
| License, v. 2.0. If a copy of the MPL was not distributed with this
| file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
| This Original Code has been modified by IBM Corporation.
| Modifications made by IBM described herein are
| Copyright (c) International Business Machines
| Corporation, 1999
|
| Modifications to Mozilla code or documentation
| identified per MPL Section 3.3
|
| Date Modified by Description of modification
| 12/09/1999 IBM Corp. Support for IBM codepages - 850,852,855,857,862,864
|
| Rule of this file:
| 1. key should always be in lower case ascii so we can do case insensitive
| comparison in the code faster.
| 2. value should be the one used in unicode converter
|
| 3. If the charset is not used for document charset, but font charset
| (e.g. XLFD charset- such as JIS x0201, JIS x0208), don't put here
|
*/
"ascii" => "us-ascii",
"us-ascii" => "us-ascii",
"ansi_x3.4-1968" => "us-ascii",
"646" => "us-ascii",
"iso-8859-1" => "ISO-8859-1",
"iso-8859-2" => "ISO-8859-2",
"iso-8859-3" => "ISO-8859-3",
"iso-8859-4" => "ISO-8859-4",
"iso-8859-5" => "ISO-8859-5",
"iso-8859-6" => "ISO-8859-6",
"iso-8859-6-i" => "ISO-8859-6-I",
"iso-8859-6-e" => "ISO-8859-6-E",
"iso-8859-7" => "ISO-8859-7",
"iso-8859-8" => "ISO-8859-8",
"iso-8859-8-i" => "ISO-8859-8-I",
"iso-8859-8-e" => "ISO-8859-8-E",
"iso-8859-9" => "ISO-8859-9",
"iso-8859-10" => "ISO-8859-10",
"iso-8859-11" => "ISO-8859-11",
"iso-8859-13" => "ISO-8859-13",
"iso-8859-14" => "ISO-8859-14",
"iso-8859-15" => "ISO-8859-15",
"iso-8859-16" => "ISO-8859-16",
"iso-ir-111" => "ISO-IR-111",
"iso-2022-cn" => "ISO-2022-CN",
"iso-2022-cn-ext" => "ISO-2022-CN",
"iso-2022-kr" => "ISO-2022-KR",
"iso-2022-jp" => "ISO-2022-JP",
"utf-16be" => "UTF-16BE",
"utf-16le" => "UTF-16LE",
"utf-16" => "UTF-16",
"windows-1250" => "windows-1250",
"windows-1251" => "windows-1251",
"windows-1252" => "windows-1252",
"windows-1253" => "windows-1253",
"windows-1254" => "windows-1254",
"windows-1255" => "windows-1255",
"windows-1256" => "windows-1256",
"windows-1257" => "windows-1257",
"windows-1258" => "windows-1258",
"ibm866" => "IBM866",
"ibm850" => "IBM850",
"ibm852" => "IBM852",
"ibm855" => "IBM855",
"ibm857" => "IBM857",
"ibm862" => "IBM862",
"ibm864" => "IBM864",
"utf-8" => "UTF-8",
"utf-7" => "UTF-7",
"shift_jis" => "Shift_JIS",
"big5" => "Big5",
"euc-jp" => "EUC-JP",
"euc-kr" => "EUC-KR",
"gb2312" => "GB2312",
"gb18030" => "gb18030",
"viscii" => "VISCII",
"koi8-r" => "KOI8-R",
"koi8_r" => "KOI8-R",
"cskoi8r" => "KOI8-R",
"koi" => "KOI8-R",
"koi8" => "KOI8-R",
"koi8-u" => "KOI8-U",
"tis-620" => "TIS-620",
"t.61-8bit" => "T.61-8bit",
"hz-gb-2312" => "HZ-GB-2312",
"big5-hkscs" => "Big5-HKSCS",
"gbk" => "gbk",
"cns11643" => "x-euc-tw",
//
// Aliases for ISO-8859-1
//
"latin1" => "ISO-8859-1",
"iso_8859-1" => "ISO-8859-1",
"iso8859-1" => "ISO-8859-1",
"iso8859-2" => "ISO-8859-2",
"iso8859-3" => "ISO-8859-3",
"iso8859-4" => "ISO-8859-4",
"iso8859-5" => "ISO-8859-5",
"iso8859-6" => "ISO-8859-6",
"iso8859-7" => "ISO-8859-7",
"iso8859-8" => "ISO-8859-8",
"iso8859-9" => "ISO-8859-9",
"iso8859-10" => "ISO-8859-10",
"iso8859-11" => "ISO-8859-11",
"iso8859-13" => "ISO-8859-13",
"iso8859-14" => "ISO-8859-14",
"iso8859-15" => "ISO-8859-15",
"iso_8859-1:1987" => "ISO-8859-1",
"iso-ir-100" => "ISO-8859-1",
"l1" => "ISO-8859-1",
"ibm819" => "ISO-8859-1",
"cp819" => "ISO-8859-1",
"csisolatin1" => "ISO-8859-1",
//
// Aliases for ISO-8859-2
//
"latin2" => "ISO-8859-2",
"iso_8859-2" => "ISO-8859-2",
"iso_8859-2:1987" => "ISO-8859-2",
"iso-ir-101" => "ISO-8859-2",
"l2" => "ISO-8859-2",
"csisolatin2" => "ISO-8859-2",
//
// Aliases for ISO-8859-3
//
"latin3" => "ISO-8859-3",
"iso_8859-3" => "ISO-8859-3",
"iso_8859-3:1988" => "ISO-8859-3",
"iso-ir-109" => "ISO-8859-3",
"l3" => "ISO-8859-3",
"csisolatin3" => "ISO-8859-3",
//
// Aliases for ISO-8859-4
//
"latin4" => "ISO-8859-4",
"iso_8859-4" => "ISO-8859-4",
"iso_8859-4:1988" => "ISO-8859-4",
"iso-ir-110" => "ISO-8859-4",
"l4" => "ISO-8859-4",
"csisolatin4" => "ISO-8859-4",
//
// Aliases for ISO-8859-5
//
"cyrillic" => "ISO-8859-5",
"iso_8859-5" => "ISO-8859-5",
"iso_8859-5:1988" => "ISO-8859-5",
"iso-ir-144" => "ISO-8859-5",
"csisolatincyrillic" => "ISO-8859-5",
//
// Aliases for ISO-8859-6
//
"arabic" => "ISO-8859-6",
"iso_8859-6" => "ISO-8859-6",
"iso_8859-6:1987" => "ISO-8859-6",
"iso-ir-127" => "ISO-8859-6",
"ecma-114" => "ISO-8859-6",
"asmo-708" => "ISO-8859-6",
"csisolatinarabic" => "ISO-8859-6",
//
// Aliases for ISO-8859-6-I
//
"csiso88596i" => "ISO-8859-6-I",
//
// Aliases for ISO-8859-6-E",
//
"csiso88596e" => "ISO-8859-6-E",
//
// Aliases for ISO-8859-7",
//
"greek" => "ISO-8859-7",
"greek8" => "ISO-8859-7",
"sun_eu_greek" => "ISO-8859-7",
"iso_8859-7" => "ISO-8859-7",
"iso_8859-7:1987" => "ISO-8859-7",
"iso-ir-126" => "ISO-8859-7",
"elot_928" => "ISO-8859-7",
"ecma-118" => "ISO-8859-7",
"csisolatingreek" => "ISO-8859-7",
//
// Aliases for ISO-8859-8",
//
"hebrew" => "ISO-8859-8",
"iso_8859-8" => "ISO-8859-8",
"visual" => "ISO-8859-8",
"iso_8859-8:1988" => "ISO-8859-8",
"iso-ir-138" => "ISO-8859-8",
"csisolatinhebrew" => "ISO-8859-8",
//
// Aliases for ISO-8859-8-I",
//
"csiso88598i" => "ISO-8859-8-I",
"iso-8859-8i" => "ISO-8859-8-I",
"logical" => "ISO-8859-8-I",
//
// Aliases for ISO-8859-8-E",
//
"csiso88598e" => "ISO-8859-8-E",
//
// Aliases for ISO-8859-9",
//
"latin5" => "ISO-8859-9",
"iso_8859-9" => "ISO-8859-9",
"iso_8859-9:1989" => "ISO-8859-9",
"iso-ir-148" => "ISO-8859-9",
"l5" => "ISO-8859-9",
"csisolatin5" => "ISO-8859-9",
//
// Aliases for UTF-8",
//
"unicode-1-1-utf-8" => "UTF-8",
// nl_langinfo(CODESET) in HP/UX returns 'utf8' under UTF-8 locales",
"utf8" => "UTF-8",
//
// Aliases for Shift_JIS",
//
"x-sjis" => "Shift_JIS",
"shift-jis" => "Shift_JIS",
"ms_kanji" => "Shift_JIS",
"csshiftjis" => "Shift_JIS",
"windows-31j" => "Shift_JIS",
"cp932" => "Shift_JIS",
"sjis" => "Shift_JIS",
//
// Aliases for EUC_JP",
//
"cseucpkdfmtjapanese" => "EUC-JP",
"x-euc-jp" => "EUC-JP",
//
// Aliases for ISO-2022-JP",
//
"csiso2022jp" => "ISO-2022-JP",
// The following are really not aliases ISO-2022-JP, but sharing the same decoder",
"iso-2022-jp-2" => "ISO-2022-JP",
"csiso2022jp2" => "ISO-2022-JP",
//
// Aliases for Big5",
//
"csbig5" => "Big5",
"cn-big5" => "Big5",
// x-x-big5 is not really a alias for Big5, add it only for MS FrontPage",
"x-x-big5" => "Big5",
// Sun Solaris",
"zh_tw-big5" => "Big5",
//
// Aliases for EUC-KR",
//
"cseuckr" => "EUC-KR",
"ks_c_5601-1987" => "EUC-KR",
"iso-ir-149" => "EUC-KR",
"ks_c_5601-1989" => "EUC-KR",
"ksc_5601" => "EUC-KR",
"ksc5601" => "EUC-KR",
"korean" => "EUC-KR",
"csksc56011987" => "EUC-KR",
"5601" => "EUC-KR",
"windows-949" => "EUC-KR",
//
// Aliases for GB2312",
//
// The following are really not aliases GB2312, add them only for MS FrontPage",
"gb_2312-80" => "GB2312",
"iso-ir-58" => "GB2312",
"chinese" => "GB2312",
"csiso58gb231280" => "GB2312",
"csgb2312" => "GB2312",
"zh_cn.euc" => "GB2312",
// Sun Solaris",
"gb_2312" => "GB2312",
//
// Aliases for windows-125x ",
//
"x-cp1250" => "windows-1250",
"x-cp1251" => "windows-1251",
"x-cp1252" => "windows-1252",
"x-cp1253" => "windows-1253",
"x-cp1254" => "windows-1254",
"x-cp1255" => "windows-1255",
"x-cp1256" => "windows-1256",
"x-cp1257" => "windows-1257",
"x-cp1258" => "windows-1258",
//
// Aliases for windows-874 ",
//
"windows-874" => "windows-874",
"ibm874" => "windows-874",
"dos-874" => "windows-874",
//
// Aliases for macintosh",
//
"macintosh" => "macintosh",
"x-mac-roman" => "macintosh",
"mac" => "macintosh",
"csmacintosh" => "macintosh",
//
// Aliases for IBM866",
//
"cp866" => "IBM866",
"cp-866" => "IBM866",
"866" => "IBM866",
"csibm866" => "IBM866",
//
// Aliases for IBM850",
//
"cp850" => "IBM850",
"850" => "IBM850",
"csibm850" => "IBM850",
//
// Aliases for IBM852",
//
"cp852" => "IBM852",
"852" => "IBM852",
"csibm852" => "IBM852",
//
// Aliases for IBM855",
//
"cp855" => "IBM855",
"855" => "IBM855",
"csibm855" => "IBM855",
//
// Aliases for IBM857",
//
"cp857" => "IBM857",
"857" => "IBM857",
"csibm857" => "IBM857",
//
// Aliases for IBM862",
//
"cp862" => "IBM862",
"862" => "IBM862",
"csibm862" => "IBM862",
//
// Aliases for IBM864",
//
"cp864" => "IBM864",
"864" => "IBM864",
"csibm864" => "IBM864",
"ibm-864" => "IBM864",
//
// Aliases for T.61-8bit",
//
"t.61" => "T.61-8bit",
"iso-ir-103" => "T.61-8bit",
"csiso103t618bit" => "T.61-8bit",
//
// Aliases for UTF-7",
//
"x-unicode-2-0-utf-7" => "UTF-7",
"unicode-2-0-utf-7" => "UTF-7",
"unicode-1-1-utf-7" => "UTF-7",
"csunicode11utf7" => "UTF-7",
//
// Aliases for ISO-10646-UCS-2",
//
"csunicode" => "UTF-16BE",
"csunicode11" => "UTF-16BE",
"iso-10646-ucs-basic" => "UTF-16BE",
"csunicodeascii" => "UTF-16BE",
"iso-10646-unicode-latin1" => "UTF-16BE",
"csunicodelatin1" => "UTF-16BE",
"iso-10646" => "UTF-16BE",
"iso-10646-j-1" => "UTF-16BE",
//
// Aliases for ISO-8859-10",
//
"latin6" => "ISO-8859-10",
"iso-ir-157" => "ISO-8859-10",
"l6" => "ISO-8859-10",
// Currently .properties cannot handle : in key",
//iso_8859-10:1992" => "ISO-8859-10",
"csisolatin6" => "ISO-8859-10",
//
// Aliases for ISO-8859-15",
//
"iso_8859-15" => "ISO-8859-15",
"csisolatin9" => "ISO-8859-15",
"l9" => "ISO-8859-15",
//
// Aliases for ISO-IR-111",
//
"ecma-cyrillic" => "ISO-IR-111",
"csiso111ecmacyrillic" => "ISO-IR-111",
//
// Aliases for ISO-2022-KR",
//
"csiso2022kr" => "ISO-2022-KR",
//
// Aliases for VISCII",
//
"csviscii" => "VISCII",
//
// Aliases for x-euc-tw",
//
"zh_tw-euc" => "x-euc-tw",
//
// Following names appears in unix nl_langinfo(CODESET)",
// They can be compiled as platform specific if necessary",
// DONT put things here if it does not look generic enough (like hp15CN)",
//
"iso88591" => "ISO-8859-1",
"iso88592" => "ISO-8859-2",
"iso88593" => "ISO-8859-3",
"iso88594" => "ISO-8859-4",
"iso88595" => "ISO-8859-5",
"iso88596" => "ISO-8859-6",
"iso88597" => "ISO-8859-7",
"iso88598" => "ISO-8859-8",
"iso88599" => "ISO-8859-9",
"iso885910" => "ISO-8859-10",
"iso885911" => "ISO-8859-11",
"iso885912" => "ISO-8859-12",
"iso885913" => "ISO-8859-13",
"iso885914" => "ISO-8859-14",
"iso885915" => "ISO-8859-15",
"cp1250" => "windows-1250",
"cp1251" => "windows-1251",
"cp1252" => "windows-1252",
"cp1253" => "windows-1253",
"cp1254" => "windows-1254",
"cp1255" => "windows-1255",
"cp1256" => "windows-1256",
"cp1257" => "windows-1257",
"cp1258" => "windows-1258",
"x-gbk" => "gbk",
"windows-936" => "gbk",
"ansi-1251" => "windows-1251",
];
/**
* Returns proper encoding mapping, if exsists. If it doesn't, return unchanged $encoding
* @param string|null $encoding
* @param string|null $fallback
*
* @return string
*/
public static function get($encoding, string $fallback = null): string {
if (isset(self::$aliases[strtolower($encoding ?? '')])) {
return self::$aliases[strtolower($encoding ?? '')];
}
return $fallback !== null ? $fallback : $encoding;
}
}
... ...