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<?php
namespace Webkul\Email\Helpers;
use Webkul\Email\Helpers\Contracts\CharsetManager;
class Charset implements CharsetManager
{
/**
* Charset aliases.
*
* @var array
*/
private $charsetAlias = [
'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',
'x-imap4-modified-utf7' => 'x-imap4-modified-utf7',
'x-euc-tw' => 'x-euc-tw',
'x-mac-ce' => 'x-mac-ce',
'x-mac-turkish' => 'x-mac-turkish',
'x-mac-greek' => 'x-mac-greek',
'x-mac-icelandic' => 'x-mac-icelandic',
'x-mac-croatian' => 'x-mac-croatian',
'x-mac-romanian' => 'x-mac-romanian',
'x-mac-cyrillic' => 'x-mac-cyrillic',
'x-mac-ukrainian' => 'x-mac-cyrillic',
'x-mac-hebrew' => 'x-mac-hebrew',
'x-mac-arabic' => 'x-mac-arabic',
'x-mac-farsi' => 'x-mac-farsi',
'x-mac-devanagari' => 'x-mac-devanagari',
'x-mac-gujarati' => 'x-mac-gujarati',
'x-mac-gurmukhi' => 'x-mac-gurmukhi',
'armscii-8' => 'armscii-8',
'x-viet-tcvn5712' => 'x-viet-tcvn5712',
'x-viet-vps' => 'x-viet-vps',
'iso-10646-ucs-2' => 'UTF-16BE',
'x-iso-10646-ucs-2-be' => 'UTF-16BE',
'x-iso-10646-ucs-2-le' => 'UTF-16LE',
'x-user-defined' => 'x-user-defined',
'x-johab' => 'x-johab',
'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',
'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',
'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',
'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',
'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',
'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',
'csiso88596i' => 'ISO-8859-6-I',
'csiso88596e' => 'ISO-8859-6-E',
'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',
'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',
'csiso88598i' => 'ISO-8859-8-I',
'iso-8859-8i' => 'ISO-8859-8-I',
'logical' => 'ISO-8859-8-I',
'csiso88598e' => 'ISO-8859-8-E',
'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',
'unicode-1-1-utf-8' => 'UTF-8',
'utf8' => 'UTF-8',
'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',
'cseucpkdfmtjapanese' => 'EUC-JP',
'x-euc-jp' => 'EUC-JP',
'csiso2022jp' => 'ISO-2022-JP',
'iso-2022-jp-2' => 'ISO-2022-JP',
'csiso2022jp2' => 'ISO-2022-JP',
'csbig5' => 'Big5',
'cn-big5' => 'Big5',
'x-x-big5' => 'Big5',
'zh_tw-big5' => 'Big5',
'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',
'gb_2312-80' => 'GB2312',
'iso-ir-58' => 'GB2312',
'chinese' => 'GB2312',
'csiso58gb231280' => 'GB2312',
'csgb2312' => 'GB2312',
'zh_cn.euc' => 'GB2312',
'gb_2312' => 'GB2312',
'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',
'windows-874' => 'windows-874',
'ibm874' => 'windows-874',
'dos-874' => 'windows-874',
'macintosh' => 'macintosh',
'x-mac-roman' => 'macintosh',
'mac' => 'macintosh',
'csmacintosh' => 'macintosh',
'cp866' => 'IBM866',
'cp-866' => 'IBM866',
'866' => 'IBM866',
'csibm866' => 'IBM866',
'cp850' => 'IBM850',
'850' => 'IBM850',
'csibm850' => 'IBM850',
'cp852' => 'IBM852',
'852' => 'IBM852',
'csibm852' => 'IBM852',
'cp855' => 'IBM855',
'855' => 'IBM855',
'csibm855' => 'IBM855',
'cp857' => 'IBM857',
'857' => 'IBM857',
'csibm857' => 'IBM857',
'cp862' => 'IBM862',
'862' => 'IBM862',
'csibm862' => 'IBM862',
'cp864' => 'IBM864',
'864' => 'IBM864',
'csibm864' => 'IBM864',
'ibm-864' => 'IBM864',
't.61' => 'T.61-8bit',
'iso-ir-103' => 'T.61-8bit',
'csiso103t618bit' => 'T.61-8bit',
'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',
'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',
'latin6' => 'ISO-8859-10',
'iso-ir-157' => 'ISO-8859-10',
'l6' => 'ISO-8859-10',
'csisolatin6' => 'ISO-8859-10',
'iso_8859-15' => 'ISO-8859-15',
'csisolatin9' => 'ISO-8859-15',
'l9' => 'ISO-8859-15',
'ecma-cyrillic' => 'ISO-IR-111',
'csiso111ecmacyrillic' => 'ISO-IR-111',
'csiso2022kr' => 'ISO-2022-KR',
'csviscii' => 'VISCII',
'zh_tw-euc' => 'x-euc-tw',
'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',
'tis620' => 'TIS-620',
'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',
];
/**
* Decode the string from charset.
*
* @param string $encodedString
* @param string $charset
* @return string
*/
public function decodeCharset($encodedString, $charset)
{
if (strtolower($charset) == 'utf-8' || strtolower($charset) == 'us-ascii') {
return $encodedString;
}
try {
return iconv($this->getCharsetAlias($charset), 'UTF-8//TRANSLIT', $encodedString);
} catch (\Exception $e) {
return iconv($this->getCharsetAlias($charset), 'UTF-8//IGNORE', $encodedString);
}
}
/**
* Get charset alias.
*
* @param string $charset.
* @return string
*/
public function getCharsetAlias($charset)
{
$charset = strtolower($charset);
if (array_key_exists($charset, $this->charsetAlias)) {
return $this->charsetAlias[$charset];
}
return null;
}
}
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