506 lines
16 KiB
PHP
506 lines
16 KiB
PHP
<?php
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namespace MailPoetVendor\Symfony\Polyfill\Iconv;
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if (!defined('ABSPATH')) exit;
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final class Iconv
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{
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public const ERROR_ILLEGAL_CHARACTER = 'iconv(): Detected an illegal character in input string';
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public const ERROR_WRONG_CHARSET = 'iconv(): Wrong charset, conversion from `%s\' to `%s\' is not allowed';
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public static $inputEncoding = 'utf-8';
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public static $outputEncoding = 'utf-8';
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public static $internalEncoding = 'utf-8';
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private static $alias = ['utf8' => 'utf-8', 'ascii' => 'us-ascii', 'tis-620' => 'iso-8859-11', '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', 'shift-jis' => 'cp932', 'shift_jis' => 'cp932', 'latin1' => 'iso-8859-1', 'latin2' => 'iso-8859-2', 'latin3' => 'iso-8859-3', 'latin4' => 'iso-8859-4', 'latin5' => 'iso-8859-9', 'latin6' => 'iso-8859-10', 'latin7' => 'iso-8859-13', 'latin8' => 'iso-8859-14', 'latin9' => 'iso-8859-15', 'latin10' => 'iso-8859-16', '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', 'iso8859-12' => 'iso-8859-12', 'iso8859-13' => 'iso-8859-13', 'iso8859-14' => 'iso-8859-14', 'iso8859-15' => 'iso-8859-15', 'iso8859-16' => 'iso-8859-16', '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_8859-7' => 'iso-8859-7', 'iso_8859-8' => 'iso-8859-8', 'iso_8859-9' => 'iso-8859-9', 'iso_8859-10' => 'iso-8859-10', 'iso_8859-11' => 'iso-8859-11', 'iso_8859-12' => 'iso-8859-12', 'iso_8859-13' => 'iso-8859-13', 'iso_8859-14' => 'iso-8859-14', 'iso_8859-15' => 'iso-8859-15', 'iso_8859-16' => 'iso-8859-16', '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', 'iso885916' => 'iso-8859-16'];
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private static $translitMap = [];
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private static $convertMap = [];
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private static $errorHandler;
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private static $lastError;
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private static $ulenMask = ["\xc0" => 2, "\xd0" => 2, "\xe0" => 3, "\xf0" => 4];
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private static $isValidUtf8;
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public static function iconv($inCharset, $outCharset, $str)
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{
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$str = (string) $str;
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if ('' === $str) {
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return '';
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}
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// Prepare for //IGNORE and //TRANSLIT
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$translit = $ignore = '';
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$outCharset = \strtolower($outCharset);
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$inCharset = \strtolower($inCharset);
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if ('' === $outCharset) {
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$outCharset = 'iso-8859-1';
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}
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if ('' === $inCharset) {
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$inCharset = 'iso-8859-1';
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}
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do {
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$loop = \false;
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if ('//translit' === \substr($outCharset, -10)) {
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$loop = $translit = \true;
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$outCharset = \substr($outCharset, 0, -10);
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}
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if ('//ignore' === \substr($outCharset, -8)) {
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$loop = $ignore = \true;
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$outCharset = \substr($outCharset, 0, -8);
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}
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} while ($loop);
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do {
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$loop = \false;
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if ('//translit' === \substr($inCharset, -10)) {
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$loop = \true;
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$inCharset = \substr($inCharset, 0, -10);
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}
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if ('//ignore' === \substr($inCharset, -8)) {
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$loop = \true;
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$inCharset = \substr($inCharset, 0, -8);
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}
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} while ($loop);
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if (isset(self::$alias[$inCharset])) {
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$inCharset = self::$alias[$inCharset];
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}
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if (isset(self::$alias[$outCharset])) {
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$outCharset = self::$alias[$outCharset];
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}
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// Load charset maps
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if ('utf-8' !== $inCharset && !self::loadMap('from.', $inCharset, $inMap) || 'utf-8' !== $outCharset && !self::loadMap('to.', $outCharset, $outMap)) {
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\trigger_error(\sprintf(self::ERROR_WRONG_CHARSET, $inCharset, $outCharset));
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return \false;
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}
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if ('utf-8' !== $inCharset) {
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// Convert input to UTF-8
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$result = '';
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if (self::mapToUtf8($result, $inMap, $str, $ignore)) {
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$str = $result;
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} else {
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$str = \false;
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}
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self::$isValidUtf8 = \true;
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} else {
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self::$isValidUtf8 = \preg_match('//u', $str);
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if (!self::$isValidUtf8 && !$ignore) {
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\trigger_error(self::ERROR_ILLEGAL_CHARACTER);
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return \false;
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}
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if ('utf-8' === $outCharset) {
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// UTF-8 validation
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$str = self::utf8ToUtf8($str, $ignore);
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}
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}
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if ('utf-8' !== $outCharset && \false !== $str) {
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// Convert output to UTF-8
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$result = '';
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if (self::mapFromUtf8($result, $outMap, $str, $ignore, $translit)) {
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return $result;
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}
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return \false;
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}
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return $str;
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}
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public static function iconv_mime_decode_headers($str, $mode = 0, $charset = null)
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{
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if (null === $charset) {
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$charset = self::$internalEncoding;
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}
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if (\false !== \strpos($str, "\r")) {
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$str = \strtr(\str_replace("\r\n", "\n", $str), "\r", "\n");
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}
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$str = \explode("\n\n", $str, 2);
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$headers = [];
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$str = \preg_split('/\\n(?![ \\t])/', $str[0]);
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foreach ($str as $str) {
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$str = self::iconv_mime_decode($str, $mode, $charset);
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if (\false === $str) {
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return \false;
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}
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$str = \explode(':', $str, 2);
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if (2 === \count($str)) {
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if (isset($headers[$str[0]])) {
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if (!\is_array($headers[$str[0]])) {
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$headers[$str[0]] = [$headers[$str[0]]];
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}
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$headers[$str[0]][] = \ltrim($str[1]);
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} else {
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$headers[$str[0]] = \ltrim($str[1]);
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}
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}
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}
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return $headers;
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}
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public static function iconv_mime_decode($str, $mode = 0, $charset = null)
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{
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if (null === $charset) {
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$charset = self::$internalEncoding;
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}
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if (\ICONV_MIME_DECODE_CONTINUE_ON_ERROR & $mode) {
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$charset .= '//IGNORE';
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}
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if (\false !== \strpos($str, "\r")) {
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$str = \strtr(\str_replace("\r\n", "\n", $str), "\r", "\n");
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}
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$str = \preg_split('/\\n(?![ \\t])/', \rtrim($str), 2);
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$str = \preg_replace('/[ \\t]*\\n[ \\t]+/', ' ', \rtrim($str[0]));
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$str = \preg_split('/=\\?([^?]+)\\?([bqBQ])\\?(.*?)\\?=/', $str, -1, \PREG_SPLIT_DELIM_CAPTURE);
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$result = self::iconv('utf-8', $charset, $str[0]);
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if (\false === $result) {
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return \false;
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}
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$i = 1;
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$len = \count($str);
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while ($i < $len) {
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$c = \strtolower($str[$i]);
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if (\ICONV_MIME_DECODE_CONTINUE_ON_ERROR & $mode && 'utf-8' !== $c && !isset(self::$alias[$c]) && !self::loadMap('from.', $c, $d)) {
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$d = \false;
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} elseif ('B' === \strtoupper($str[$i + 1])) {
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$d = \base64_decode($str[$i + 2]);
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} else {
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$d = \rawurldecode(\strtr(\str_replace('%', '%25', $str[$i + 2]), '=_', '% '));
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}
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if (\false !== $d) {
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if ('' !== $d) {
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if ('' === ($d = self::iconv($c, $charset, $d))) {
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$str[$i + 3] = \substr($str[$i + 3], 1);
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} else {
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$result .= $d;
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}
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}
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$d = self::iconv('utf-8', $charset, $str[$i + 3]);
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if ('' !== \trim($d)) {
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$result .= $d;
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}
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} elseif (\ICONV_MIME_DECODE_CONTINUE_ON_ERROR & $mode) {
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$result .= "=?{$str[$i]}?{$str[$i + 1]}?{$str[$i + 2]}?={$str[$i + 3]}";
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} else {
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$result = \false;
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break;
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}
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$i += 4;
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}
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return $result;
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}
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public static function iconv_get_encoding($type = 'all')
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{
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switch ($type) {
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case 'input_encoding':
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return self::$inputEncoding;
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case 'output_encoding':
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return self::$outputEncoding;
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case 'internal_encoding':
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return self::$internalEncoding;
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}
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return ['input_encoding' => self::$inputEncoding, 'output_encoding' => self::$outputEncoding, 'internal_encoding' => self::$internalEncoding];
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}
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public static function iconv_set_encoding($type, $charset)
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{
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switch ($type) {
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case 'input_encoding':
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self::$inputEncoding = $charset;
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break;
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case 'output_encoding':
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self::$outputEncoding = $charset;
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break;
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case 'internal_encoding':
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self::$internalEncoding = $charset;
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break;
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default:
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return \false;
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}
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return \true;
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}
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public static function iconv_mime_encode($fieldName, $fieldValue, $pref = null)
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{
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if (!\is_array($pref)) {
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$pref = [];
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}
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$pref += ['scheme' => 'B', 'input-charset' => self::$internalEncoding, 'output-charset' => self::$internalEncoding, 'line-length' => 76, 'line-break-chars' => "\r\n"];
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if (\preg_match('/[\\x80-\\xFF]/', $fieldName)) {
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$fieldName = '';
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}
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$scheme = \strtoupper(\substr($pref['scheme'], 0, 1));
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$in = \strtolower($pref['input-charset']);
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$out = \strtolower($pref['output-charset']);
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if ('utf-8' !== $in && \false === ($fieldValue = self::iconv($in, 'utf-8', $fieldValue))) {
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return \false;
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}
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\preg_match_all('/./us', $fieldValue, $chars);
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$chars = $chars[0] ?? [];
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$lineBreak = (int) $pref['line-length'];
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$lineStart = "=?{$pref['output-charset']}?{$scheme}?";
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$lineLength = \strlen($fieldName) + 2 + \strlen($lineStart) + 2;
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$lineOffset = \strlen($lineStart) + 3;
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$lineData = '';
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$fieldValue = [];
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$Q = 'Q' === $scheme;
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foreach ($chars as $c) {
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if ('utf-8' !== $out && \false === ($c = self::iconv('utf-8', $out, $c))) {
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return \false;
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}
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$o = $Q ? $c = \preg_replace_callback('/[=_\\?\\x00-\\x1F\\x80-\\xFF]/', [__CLASS__, 'qpByteCallback'], $c) : \base64_encode($lineData . $c);
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if (isset($o[$lineBreak - $lineLength])) {
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if (!$Q) {
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$lineData = \base64_encode($lineData);
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}
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$fieldValue[] = $lineStart . $lineData . '?=';
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$lineLength = $lineOffset;
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$lineData = '';
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}
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$lineData .= $c;
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$Q && ($lineLength += \strlen($c));
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}
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if ('' !== $lineData) {
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if (!$Q) {
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$lineData = \base64_encode($lineData);
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}
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$fieldValue[] = $lineStart . $lineData . '?=';
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}
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return $fieldName . ': ' . \implode($pref['line-break-chars'] . ' ', $fieldValue);
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}
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public static function iconv_strlen($s, $encoding = null)
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{
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static $hasXml = null;
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if (null === $hasXml) {
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$hasXml = \extension_loaded('xml');
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}
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if ($hasXml) {
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return self::strlen1($s, $encoding);
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}
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return self::strlen2($s, $encoding);
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}
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public static function strlen1($s, $encoding = null)
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{
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if (null === $encoding) {
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$encoding = self::$internalEncoding;
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}
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if (0 !== \stripos($encoding, 'utf-8') && \false === ($s = self::iconv($encoding, 'utf-8', $s))) {
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return \false;
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}
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return \strlen(\utf8_decode($s));
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}
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public static function strlen2($s, $encoding = null)
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{
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if (null === $encoding) {
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$encoding = self::$internalEncoding;
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}
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if (0 !== \stripos($encoding, 'utf-8') && \false === ($s = self::iconv($encoding, 'utf-8', $s))) {
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return \false;
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}
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$ulenMask = self::$ulenMask;
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$i = 0;
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$j = 0;
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$len = \strlen($s);
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while ($i < $len) {
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$u = $s[$i] & "\xf0";
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$i += $ulenMask[$u] ?? 1;
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++$j;
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}
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return $j;
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}
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public static function iconv_strpos($haystack, $needle, $offset = 0, $encoding = null)
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{
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if (null === $encoding) {
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$encoding = self::$internalEncoding;
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}
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if (0 !== \stripos($encoding, 'utf-8')) {
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if (\false === ($haystack = self::iconv($encoding, 'utf-8', $haystack))) {
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return \false;
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}
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if (\false === ($needle = self::iconv($encoding, 'utf-8', $needle))) {
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return \false;
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}
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}
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if ($offset = (int) $offset) {
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$haystack = self::iconv_substr($haystack, $offset, 2147483647, 'utf-8');
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}
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$pos = \strpos($haystack, $needle);
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return \false === $pos ? \false : $offset + ($pos ? self::iconv_strlen(\substr($haystack, 0, $pos), 'utf-8') : 0);
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}
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public static function iconv_strrpos($haystack, $needle, $encoding = null)
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{
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if (null === $encoding) {
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$encoding = self::$internalEncoding;
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}
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if (0 !== \stripos($encoding, 'utf-8')) {
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if (\false === ($haystack = self::iconv($encoding, 'utf-8', $haystack))) {
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return \false;
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}
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if (\false === ($needle = self::iconv($encoding, 'utf-8', $needle))) {
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return \false;
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}
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}
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$pos = isset($needle[0]) ? \strrpos($haystack, $needle) : \false;
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return \false === $pos ? \false : self::iconv_strlen($pos ? \substr($haystack, 0, $pos) : $haystack, 'utf-8');
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}
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public static function iconv_substr($s, $start, $length = 2147483647, $encoding = null)
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{
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if (null === $encoding) {
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$encoding = self::$internalEncoding;
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}
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if (0 !== \stripos($encoding, 'utf-8')) {
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$encoding = null;
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} elseif (\false === ($s = self::iconv($encoding, 'utf-8', $s))) {
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return \false;
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}
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$s = (string) $s;
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$slen = self::iconv_strlen($s, 'utf-8');
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$start = (int) $start;
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if (0 > $start) {
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$start += $slen;
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}
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if (0 > $start) {
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if (\PHP_VERSION_ID < 80000) {
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return \false;
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}
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$start = 0;
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}
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if ($start >= $slen) {
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return \PHP_VERSION_ID >= 80000 ? '' : \false;
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}
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$rx = $slen - $start;
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if (0 > $length) {
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$length += $rx;
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}
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if (0 === $length) {
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return '';
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}
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if (0 > $length) {
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return \PHP_VERSION_ID >= 80000 ? '' : \false;
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}
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if ($length > $rx) {
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$length = $rx;
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}
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$rx = '/^' . ($start ? self::pregOffset($start) : '') . '(' . self::pregOffset($length) . ')/u';
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$s = \preg_match($rx, $s, $s) ? $s[1] : '';
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if (null === $encoding) {
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return $s;
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}
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return self::iconv('utf-8', $encoding, $s);
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}
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private static function loadMap($type, $charset, &$map)
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{
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if (!isset(self::$convertMap[$type . $charset])) {
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if (\false === ($map = self::getData($type . $charset))) {
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if ('to.' === $type && self::loadMap('from.', $charset, $map)) {
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$map = \array_flip($map);
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} else {
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return \false;
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}
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}
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self::$convertMap[$type . $charset] = $map;
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} else {
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$map = self::$convertMap[$type . $charset];
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}
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return \true;
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}
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private static function utf8ToUtf8($str, $ignore)
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{
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$ulenMask = self::$ulenMask;
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$valid = self::$isValidUtf8;
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$u = $str;
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$i = $j = 0;
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$len = \strlen($str);
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while ($i < $len) {
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if ($str[$i] < "\x80") {
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$u[$j++] = $str[$i++];
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} else {
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$ulen = $str[$i] & "\xf0";
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$ulen = $ulenMask[$ulen] ?? 1;
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$uchr = \substr($str, $i, $ulen);
|
|
if (1 === $ulen || !($valid || \preg_match('/^.$/us', $uchr))) {
|
|
if ($ignore) {
|
|
++$i;
|
|
continue;
|
|
}
|
|
\trigger_error(self::ERROR_ILLEGAL_CHARACTER);
|
|
return \false;
|
|
}
|
|
$i += $ulen;
|
|
$u[$j++] = $uchr[0];
|
|
isset($uchr[1]) && 0 !== ($u[$j++] = $uchr[1]) && isset($uchr[2]) && 0 !== ($u[$j++] = $uchr[2]) && isset($uchr[3]) && 0 !== ($u[$j++] = $uchr[3]);
|
|
}
|
|
}
|
|
return \substr($u, 0, $j);
|
|
}
|
|
private static function mapToUtf8(&$result, array $map, $str, $ignore)
|
|
{
|
|
$len = \strlen($str);
|
|
for ($i = 0; $i < $len; ++$i) {
|
|
if (isset($str[$i + 1], $map[$str[$i] . $str[$i + 1]])) {
|
|
$result .= $map[$str[$i] . $str[++$i]];
|
|
} elseif (isset($map[$str[$i]])) {
|
|
$result .= $map[$str[$i]];
|
|
} elseif (!$ignore) {
|
|
\trigger_error(self::ERROR_ILLEGAL_CHARACTER);
|
|
return \false;
|
|
}
|
|
}
|
|
return \true;
|
|
}
|
|
private static function mapFromUtf8(&$result, array $map, $str, $ignore, $translit)
|
|
{
|
|
$ulenMask = self::$ulenMask;
|
|
$valid = self::$isValidUtf8;
|
|
if ($translit && !self::$translitMap) {
|
|
self::$translitMap = self::getData('translit');
|
|
}
|
|
$i = 0;
|
|
$len = \strlen($str);
|
|
while ($i < $len) {
|
|
if ($str[$i] < "\x80") {
|
|
$uchr = $str[$i++];
|
|
} else {
|
|
$ulen = $str[$i] & "\xf0";
|
|
$ulen = $ulenMask[$ulen] ?? 1;
|
|
$uchr = \substr($str, $i, $ulen);
|
|
if ($ignore && (1 === $ulen || !($valid || \preg_match('/^.$/us', $uchr)))) {
|
|
++$i;
|
|
continue;
|
|
}
|
|
$i += $ulen;
|
|
}
|
|
if (isset($map[$uchr])) {
|
|
$result .= $map[$uchr];
|
|
} elseif ($translit) {
|
|
if (isset(self::$translitMap[$uchr])) {
|
|
$uchr = self::$translitMap[$uchr];
|
|
} elseif ($uchr >= "À") {
|
|
$uchr = \MailPoetVendor\Normalizer::normalize($uchr, \MailPoetVendor\Normalizer::NFD);
|
|
if ($uchr[0] < "\x80") {
|
|
$uchr = $uchr[0];
|
|
} elseif ($ignore) {
|
|
continue;
|
|
} else {
|
|
return \false;
|
|
}
|
|
} elseif ($ignore) {
|
|
continue;
|
|
} else {
|
|
return \false;
|
|
}
|
|
$str = $uchr . \substr($str, $i);
|
|
$len = \strlen($str);
|
|
$i = 0;
|
|
} elseif (!$ignore) {
|
|
return \false;
|
|
}
|
|
}
|
|
return \true;
|
|
}
|
|
private static function qpByteCallback(array $m)
|
|
{
|
|
return '=' . \strtoupper(\dechex(\ord($m[0])));
|
|
}
|
|
private static function pregOffset($offset)
|
|
{
|
|
$rx = [];
|
|
$offset = (int) $offset;
|
|
while ($offset > 65535) {
|
|
$rx[] = '.{65535}';
|
|
$offset -= 65535;
|
|
}
|
|
return \implode('', $rx) . '.{' . $offset . '}';
|
|
}
|
|
private static function getData($file)
|
|
{
|
|
if (\file_exists($file = __DIR__ . '/Resources/charset/' . $file . '.php')) {
|
|
return require $file;
|
|
}
|
|
return \false;
|
|
}
|
|
}
|