oont-contents/plugins/mailpoet/vendor-prefixed/symfony/polyfill-mbstring/Mbstring.php
2025-02-08 15:10:23 +01:00

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<?php
namespace MailPoetVendor\Symfony\Polyfill\Mbstring;
if (!defined('ABSPATH')) exit;
final class Mbstring
{
public const MB_CASE_FOLD = \PHP_INT_MAX;
private const SIMPLE_CASE_FOLD = [['µ', 'ſ', "ͅ", 'ς', "ϐ", "ϑ", "ϕ", "ϖ", "ϰ", "ϱ", "ϵ", "", ""], ['μ', 's', 'ι', 'σ', 'β', 'θ', 'φ', 'π', 'κ', 'ρ', 'ε', "", 'ι']];
private static $encodingList = ['ASCII', 'UTF-8'];
private static $language = 'neutral';
private static $internalEncoding = 'UTF-8';
public static function mb_convert_encoding($s, $toEncoding, $fromEncoding = null)
{
if (\is_array($fromEncoding) || null !== $fromEncoding && \false !== \strpos($fromEncoding, ',')) {
$fromEncoding = self::mb_detect_encoding($s, $fromEncoding);
} else {
$fromEncoding = self::getEncoding($fromEncoding);
}
$toEncoding = self::getEncoding($toEncoding);
if ('BASE64' === $fromEncoding) {
$s = \base64_decode($s);
$fromEncoding = $toEncoding;
}
if ('BASE64' === $toEncoding) {
return \base64_encode($s);
}
if ('HTML-ENTITIES' === $toEncoding || 'HTML' === $toEncoding) {
if ('HTML-ENTITIES' === $fromEncoding || 'HTML' === $fromEncoding) {
$fromEncoding = 'Windows-1252';
}
if ('UTF-8' !== $fromEncoding) {
$s = \iconv($fromEncoding, 'UTF-8//IGNORE', $s);
}
return \preg_replace_callback('/[\\x80-\\xFF]+/', [__CLASS__, 'html_encoding_callback'], $s);
}
if ('HTML-ENTITIES' === $fromEncoding) {
$s = \html_entity_decode($s, \ENT_COMPAT, 'UTF-8');
$fromEncoding = 'UTF-8';
}
return \iconv($fromEncoding, $toEncoding . '//IGNORE', $s);
}
public static function mb_convert_variables($toEncoding, $fromEncoding, &...$vars)
{
$ok = \true;
\array_walk_recursive($vars, function (&$v) use(&$ok, $toEncoding, $fromEncoding) {
if (\false === ($v = self::mb_convert_encoding($v, $toEncoding, $fromEncoding))) {
$ok = \false;
}
});
return $ok ? $fromEncoding : \false;
}
public static function mb_decode_mimeheader($s)
{
return \iconv_mime_decode($s, 2, self::$internalEncoding);
}
public static function mb_encode_mimeheader($s, $charset = null, $transferEncoding = null, $linefeed = null, $indent = null)
{
\trigger_error('mb_encode_mimeheader() is bugged. Please use iconv_mime_encode() instead', \E_USER_WARNING);
}
public static function mb_decode_numericentity($s, $convmap, $encoding = null)
{
if (null !== $s && !\is_scalar($s) && !(\is_object($s) && \method_exists($s, '__toString'))) {
\trigger_error('mb_decode_numericentity() expects parameter 1 to be string, ' . \gettype($s) . ' given', \E_USER_WARNING);
return null;
}
if (!\is_array($convmap) || 80000 > \PHP_VERSION_ID && !$convmap) {
return \false;
}
if (null !== $encoding && !\is_scalar($encoding)) {
\trigger_error('mb_decode_numericentity() expects parameter 3 to be string, ' . \gettype($s) . ' given', \E_USER_WARNING);
return '';
// Instead of null (cf. mb_encode_numericentity).
}
$s = (string) $s;
if ('' === $s) {
return '';
}
$encoding = self::getEncoding($encoding);
if ('UTF-8' === $encoding) {
$encoding = null;
if (!\preg_match('//u', $s)) {
$s = @\iconv('UTF-8', 'UTF-8//IGNORE', $s);
}
} else {
$s = \iconv($encoding, 'UTF-8//IGNORE', $s);
}
$cnt = \floor(\count($convmap) / 4) * 4;
for ($i = 0; $i < $cnt; $i += 4) {
// collector_decode_htmlnumericentity ignores $convmap[$i + 3]
$convmap[$i] += $convmap[$i + 2];
$convmap[$i + 1] += $convmap[$i + 2];
}
$s = \preg_replace_callback('/&#(?:0*([0-9]+)|x0*([0-9a-fA-F]+))(?!&);?/', function (array $m) use($cnt, $convmap) {
$c = isset($m[2]) ? (int) \hexdec($m[2]) : $m[1];
for ($i = 0; $i < $cnt; $i += 4) {
if ($c >= $convmap[$i] && $c <= $convmap[$i + 1]) {
return self::mb_chr($c - $convmap[$i + 2]);
}
}
return $m[0];
}, $s);
if (null === $encoding) {
return $s;
}
return \iconv('UTF-8', $encoding . '//IGNORE', $s);
}
public static function mb_encode_numericentity($s, $convmap, $encoding = null, $is_hex = \false)
{
if (null !== $s && !\is_scalar($s) && !(\is_object($s) && \method_exists($s, '__toString'))) {
\trigger_error('mb_encode_numericentity() expects parameter 1 to be string, ' . \gettype($s) . ' given', \E_USER_WARNING);
return null;
}
if (!\is_array($convmap) || 80000 > \PHP_VERSION_ID && !$convmap) {
return \false;
}
if (null !== $encoding && !\is_scalar($encoding)) {
\trigger_error('mb_encode_numericentity() expects parameter 3 to be string, ' . \gettype($s) . ' given', \E_USER_WARNING);
return null;
// Instead of '' (cf. mb_decode_numericentity).
}
if (null !== $is_hex && !\is_scalar($is_hex)) {
\trigger_error('mb_encode_numericentity() expects parameter 4 to be boolean, ' . \gettype($s) . ' given', \E_USER_WARNING);
return null;
}
$s = (string) $s;
if ('' === $s) {
return '';
}
$encoding = self::getEncoding($encoding);
if ('UTF-8' === $encoding) {
$encoding = null;
if (!\preg_match('//u', $s)) {
$s = @\iconv('UTF-8', 'UTF-8//IGNORE', $s);
}
} else {
$s = \iconv($encoding, 'UTF-8//IGNORE', $s);
}
static $ulenMask = ["\xc0" => 2, "\xd0" => 2, "\xe0" => 3, "\xf0" => 4];
$cnt = \floor(\count($convmap) / 4) * 4;
$i = 0;
$len = \strlen($s);
$result = '';
while ($i < $len) {
$ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xf0"];
$uchr = \substr($s, $i, $ulen);
$i += $ulen;
$c = self::mb_ord($uchr);
for ($j = 0; $j < $cnt; $j += 4) {
if ($c >= $convmap[$j] && $c <= $convmap[$j + 1]) {
$cOffset = $c + $convmap[$j + 2] & $convmap[$j + 3];
$result .= $is_hex ? \sprintf('&#x%X;', $cOffset) : '&#' . $cOffset . ';';
continue 2;
}
}
$result .= $uchr;
}
if (null === $encoding) {
return $result;
}
return \iconv('UTF-8', $encoding . '//IGNORE', $result);
}
public static function mb_convert_case($s, $mode, $encoding = null)
{
$s = (string) $s;
if ('' === $s) {
return '';
}
$encoding = self::getEncoding($encoding);
if ('UTF-8' === $encoding) {
$encoding = null;
if (!\preg_match('//u', $s)) {
$s = @\iconv('UTF-8', 'UTF-8//IGNORE', $s);
}
} else {
$s = \iconv($encoding, 'UTF-8//IGNORE', $s);
}
if (\MB_CASE_TITLE == $mode) {
static $titleRegexp = null;
if (null === $titleRegexp) {
$titleRegexp = self::getData('titleCaseRegexp');
}
$s = \preg_replace_callback($titleRegexp, [__CLASS__, 'title_case'], $s);
} else {
if (\MB_CASE_UPPER == $mode) {
static $upper = null;
if (null === $upper) {
$upper = self::getData('upperCase');
}
$map = $upper;
} else {
if (self::MB_CASE_FOLD === $mode) {
static $caseFolding = null;
if (null === $caseFolding) {
$caseFolding = self::getData('caseFolding');
}
$s = \strtr($s, $caseFolding);
}
static $lower = null;
if (null === $lower) {
$lower = self::getData('lowerCase');
}
$map = $lower;
}
static $ulenMask = ["\xc0" => 2, "\xd0" => 2, "\xe0" => 3, "\xf0" => 4];
$i = 0;
$len = \strlen($s);
while ($i < $len) {
$ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xf0"];
$uchr = \substr($s, $i, $ulen);
$i += $ulen;
if (isset($map[$uchr])) {
$uchr = $map[$uchr];
$nlen = \strlen($uchr);
if ($nlen == $ulen) {
$nlen = $i;
do {
$s[--$nlen] = $uchr[--$ulen];
} while ($ulen);
} else {
$s = \substr_replace($s, $uchr, $i - $ulen, $ulen);
$len += $nlen - $ulen;
$i += $nlen - $ulen;
}
}
}
}
if (null === $encoding) {
return $s;
}
return \iconv('UTF-8', $encoding . '//IGNORE', $s);
}
public static function mb_internal_encoding($encoding = null)
{
if (null === $encoding) {
return self::$internalEncoding;
}
$normalizedEncoding = self::getEncoding($encoding);
if ('UTF-8' === $normalizedEncoding || \false !== @\iconv($normalizedEncoding, $normalizedEncoding, ' ')) {
self::$internalEncoding = $normalizedEncoding;
return \true;
}
if (80000 > \PHP_VERSION_ID) {
return \false;
}
throw new \ValueError(\sprintf('Argument #1 ($encoding) must be a valid encoding, "%s" given', $encoding));
}
public static function mb_language($lang = null)
{
if (null === $lang) {
return self::$language;
}
switch ($normalizedLang = \strtolower($lang)) {
case 'uni':
case 'neutral':
self::$language = $normalizedLang;
return \true;
}
if (80000 > \PHP_VERSION_ID) {
return \false;
}
throw new \ValueError(\sprintf('Argument #1 ($language) must be a valid language, "%s" given', $lang));
}
public static function mb_list_encodings()
{
return ['UTF-8'];
}
public static function mb_encoding_aliases($encoding)
{
switch (\strtoupper($encoding)) {
case 'UTF8':
case 'UTF-8':
return ['utf8'];
}
return \false;
}
public static function mb_check_encoding($var = null, $encoding = null)
{
if (\PHP_VERSION_ID < 70200 && \is_array($var)) {
\trigger_error('mb_check_encoding() expects parameter 1 to be string, array given', \E_USER_WARNING);
return null;
}
if (null === $encoding) {
if (null === $var) {
return \false;
}
$encoding = self::$internalEncoding;
}
if (!\is_array($var)) {
return self::mb_detect_encoding($var, [$encoding]) || \false !== @\iconv($encoding, $encoding, $var);
}
foreach ($var as $key => $value) {
if (!self::mb_check_encoding($key, $encoding)) {
return \false;
}
if (!self::mb_check_encoding($value, $encoding)) {
return \false;
}
}
return \true;
}
public static function mb_detect_encoding($str, $encodingList = null, $strict = \false)
{
if (null === $encodingList) {
$encodingList = self::$encodingList;
} else {
if (!\is_array($encodingList)) {
$encodingList = \array_map('trim', \explode(',', $encodingList));
}
$encodingList = \array_map('strtoupper', $encodingList);
}
foreach ($encodingList as $enc) {
switch ($enc) {
case 'ASCII':
if (!\preg_match('/[\\x80-\\xFF]/', $str)) {
return $enc;
}
break;
case 'UTF8':
case 'UTF-8':
if (\preg_match('//u', $str)) {
return 'UTF-8';
}
break;
default:
if (0 === \strncmp($enc, 'ISO-8859-', 9)) {
return $enc;
}
}
}
return \false;
}
public static function mb_detect_order($encodingList = null)
{
if (null === $encodingList) {
return self::$encodingList;
}
if (!\is_array($encodingList)) {
$encodingList = \array_map('trim', \explode(',', $encodingList));
}
$encodingList = \array_map('strtoupper', $encodingList);
foreach ($encodingList as $enc) {
switch ($enc) {
default:
if (\strncmp($enc, 'ISO-8859-', 9)) {
return \false;
}
// no break
case 'ASCII':
case 'UTF8':
case 'UTF-8':
}
}
self::$encodingList = $encodingList;
return \true;
}
public static function mb_strlen($s, $encoding = null)
{
$encoding = self::getEncoding($encoding);
if ('CP850' === $encoding || 'ASCII' === $encoding) {
return \strlen($s);
}
return @\iconv_strlen($s, $encoding);
}
public static function mb_strpos($haystack, $needle, $offset = 0, $encoding = null)
{
$encoding = self::getEncoding($encoding);
if ('CP850' === $encoding || 'ASCII' === $encoding) {
return \strpos($haystack, $needle, $offset);
}
$needle = (string) $needle;
if ('' === $needle) {
if (80000 > \PHP_VERSION_ID) {
\trigger_error(__METHOD__ . ': Empty delimiter', \E_USER_WARNING);
return \false;
}
return 0;
}
return \iconv_strpos($haystack, $needle, $offset, $encoding);
}
public static function mb_strrpos($haystack, $needle, $offset = 0, $encoding = null)
{
$encoding = self::getEncoding($encoding);
if ('CP850' === $encoding || 'ASCII' === $encoding) {
return \strrpos($haystack, $needle, $offset);
}
if ($offset != (int) $offset) {
$offset = 0;
} elseif ($offset = (int) $offset) {
if ($offset < 0) {
if (0 > ($offset += self::mb_strlen($needle))) {
$haystack = self::mb_substr($haystack, 0, $offset, $encoding);
}
$offset = 0;
} else {
$haystack = self::mb_substr($haystack, $offset, 2147483647, $encoding);
}
}
$pos = '' !== $needle || 80000 > \PHP_VERSION_ID ? \iconv_strrpos($haystack, $needle, $encoding) : self::mb_strlen($haystack, $encoding);
return \false !== $pos ? $offset + $pos : \false;
}
public static function mb_str_split($string, $split_length = 1, $encoding = null)
{
if (null !== $string && !\is_scalar($string) && !(\is_object($string) && \method_exists($string, '__toString'))) {
\trigger_error('mb_str_split() expects parameter 1 to be string, ' . \gettype($string) . ' given', \E_USER_WARNING);
return null;
}
if (1 > ($split_length = (int) $split_length)) {
if (80000 > \PHP_VERSION_ID) {
\trigger_error('The length of each segment must be greater than zero', \E_USER_WARNING);
return \false;
}
throw new \ValueError('Argument #2 ($length) must be greater than 0');
}
if (null === $encoding) {
$encoding = \mb_internal_encoding();
}
if ('UTF-8' === ($encoding = self::getEncoding($encoding))) {
$rx = '/(';
while (65535 < $split_length) {
$rx .= '.{65535}';
$split_length -= 65535;
}
$rx .= '.{' . $split_length . '})/us';
return \preg_split($rx, $string, -1, \PREG_SPLIT_DELIM_CAPTURE | \PREG_SPLIT_NO_EMPTY);
}
$result = [];
$length = \mb_strlen($string, $encoding);
for ($i = 0; $i < $length; $i += $split_length) {
$result[] = \mb_substr($string, $i, $split_length, $encoding);
}
return $result;
}
public static function mb_strtolower($s, $encoding = null)
{
return self::mb_convert_case($s, \MB_CASE_LOWER, $encoding);
}
public static function mb_strtoupper($s, $encoding = null)
{
return self::mb_convert_case($s, \MB_CASE_UPPER, $encoding);
}
public static function mb_substitute_character($c = null)
{
if (null === $c) {
return 'none';
}
if (0 === \strcasecmp($c, 'none')) {
return \true;
}
if (80000 > \PHP_VERSION_ID) {
return \false;
}
if (\is_int($c) || 'long' === $c || 'entity' === $c) {
return \false;
}
throw new \ValueError('Argument #1 ($substitute_character) must be "none", "long", "entity" or a valid codepoint');
}
public static function mb_substr($s, $start, $length = null, $encoding = null)
{
$encoding = self::getEncoding($encoding);
if ('CP850' === $encoding || 'ASCII' === $encoding) {
return (string) \substr($s, $start, null === $length ? 2147483647 : $length);
}
if ($start < 0) {
$start = \iconv_strlen($s, $encoding) + $start;
if ($start < 0) {
$start = 0;
}
}
if (null === $length) {
$length = 2147483647;
} elseif ($length < 0) {
$length = \iconv_strlen($s, $encoding) + $length - $start;
if ($length < 0) {
return '';
}
}
return (string) \iconv_substr($s, $start, $length, $encoding);
}
public static function mb_stripos($haystack, $needle, $offset = 0, $encoding = null)
{
[$haystack, $needle] = \str_replace(self::SIMPLE_CASE_FOLD[0], self::SIMPLE_CASE_FOLD[1], [self::mb_convert_case($haystack, \MB_CASE_LOWER, $encoding), self::mb_convert_case($needle, \MB_CASE_LOWER, $encoding)]);
return self::mb_strpos($haystack, $needle, $offset, $encoding);
}
public static function mb_stristr($haystack, $needle, $part = \false, $encoding = null)
{
$pos = self::mb_stripos($haystack, $needle, 0, $encoding);
return self::getSubpart($pos, $part, $haystack, $encoding);
}
public static function mb_strrchr($haystack, $needle, $part = \false, $encoding = null)
{
$encoding = self::getEncoding($encoding);
if ('CP850' === $encoding || 'ASCII' === $encoding) {
$pos = \strrpos($haystack, $needle);
} else {
$needle = self::mb_substr($needle, 0, 1, $encoding);
$pos = \iconv_strrpos($haystack, $needle, $encoding);
}
return self::getSubpart($pos, $part, $haystack, $encoding);
}
public static function mb_strrichr($haystack, $needle, $part = \false, $encoding = null)
{
$needle = self::mb_substr($needle, 0, 1, $encoding);
$pos = self::mb_strripos($haystack, $needle, $encoding);
return self::getSubpart($pos, $part, $haystack, $encoding);
}
public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null)
{
$haystack = self::mb_convert_case($haystack, \MB_CASE_LOWER, $encoding);
$needle = self::mb_convert_case($needle, \MB_CASE_LOWER, $encoding);
$haystack = \str_replace(self::SIMPLE_CASE_FOLD[0], self::SIMPLE_CASE_FOLD[1], $haystack);
$needle = \str_replace(self::SIMPLE_CASE_FOLD[0], self::SIMPLE_CASE_FOLD[1], $needle);
return self::mb_strrpos($haystack, $needle, $offset, $encoding);
}
public static function mb_strstr($haystack, $needle, $part = \false, $encoding = null)
{
$pos = \strpos($haystack, $needle);
if (\false === $pos) {
return \false;
}
if ($part) {
return \substr($haystack, 0, $pos);
}
return \substr($haystack, $pos);
}
public static function mb_get_info($type = 'all')
{
$info = ['internal_encoding' => self::$internalEncoding, 'http_output' => 'pass', 'http_output_conv_mimetypes' => '^(text/|application/xhtml\\+xml)', 'func_overload' => 0, 'func_overload_list' => 'no overload', 'mail_charset' => 'UTF-8', 'mail_header_encoding' => 'BASE64', 'mail_body_encoding' => 'BASE64', 'illegal_chars' => 0, 'encoding_translation' => 'Off', 'language' => self::$language, 'detect_order' => self::$encodingList, 'substitute_character' => 'none', 'strict_detection' => 'Off'];
if ('all' === $type) {
return $info;
}
if (isset($info[$type])) {
return $info[$type];
}
return \false;
}
public static function mb_http_input($type = '')
{
return \false;
}
public static function mb_http_output($encoding = null)
{
return null !== $encoding ? 'pass' === $encoding : 'pass';
}
public static function mb_strwidth($s, $encoding = null)
{
$encoding = self::getEncoding($encoding);
if ('UTF-8' !== $encoding) {
$s = \iconv($encoding, 'UTF-8//IGNORE', $s);
}
$s = \preg_replace('/[\\x{1100}-\\x{115F}\\x{2329}\\x{232A}\\x{2E80}-\\x{303E}\\x{3040}-\\x{A4CF}\\x{AC00}-\\x{D7A3}\\x{F900}-\\x{FAFF}\\x{FE10}-\\x{FE19}\\x{FE30}-\\x{FE6F}\\x{FF00}-\\x{FF60}\\x{FFE0}-\\x{FFE6}\\x{20000}-\\x{2FFFD}\\x{30000}-\\x{3FFFD}]/u', '', $s, -1, $wide);
return ($wide << 1) + \iconv_strlen($s, 'UTF-8');
}
public static function mb_substr_count($haystack, $needle, $encoding = null)
{
return \substr_count($haystack, $needle);
}
public static function mb_output_handler($contents, $status)
{
return $contents;
}
public static function mb_chr($code, $encoding = null)
{
if (0x80 > ($code %= 0x200000)) {
$s = \chr($code);
} elseif (0x800 > $code) {
$s = \chr(0xc0 | $code >> 6) . \chr(0x80 | $code & 0x3f);
} elseif (0x10000 > $code) {
$s = \chr(0xe0 | $code >> 12) . \chr(0x80 | $code >> 6 & 0x3f) . \chr(0x80 | $code & 0x3f);
} else {
$s = \chr(0xf0 | $code >> 18) . \chr(0x80 | $code >> 12 & 0x3f) . \chr(0x80 | $code >> 6 & 0x3f) . \chr(0x80 | $code & 0x3f);
}
if ('UTF-8' !== ($encoding = self::getEncoding($encoding))) {
$s = \mb_convert_encoding($s, $encoding, 'UTF-8');
}
return $s;
}
public static function mb_ord($s, $encoding = null)
{
if ('UTF-8' !== ($encoding = self::getEncoding($encoding))) {
$s = \mb_convert_encoding($s, 'UTF-8', $encoding);
}
if (1 === \strlen($s)) {
return \ord($s);
}
$code = ($s = \unpack('C*', \substr($s, 0, 4))) ? $s[1] : 0;
if (0xf0 <= $code) {
return ($code - 0xf0 << 18) + ($s[2] - 0x80 << 12) + ($s[3] - 0x80 << 6) + $s[4] - 0x80;
}
if (0xe0 <= $code) {
return ($code - 0xe0 << 12) + ($s[2] - 0x80 << 6) + $s[3] - 0x80;
}
if (0xc0 <= $code) {
return ($code - 0xc0 << 6) + $s[2] - 0x80;
}
return $code;
}
public static function mb_str_pad(string $string, int $length, string $pad_string = ' ', int $pad_type = \STR_PAD_RIGHT, string $encoding = null) : string
{
if (!\in_array($pad_type, [\STR_PAD_RIGHT, \STR_PAD_LEFT, \STR_PAD_BOTH], \true)) {
throw new \ValueError('mb_str_pad(): Argument #4 ($pad_type) must be STR_PAD_LEFT, STR_PAD_RIGHT, or STR_PAD_BOTH');
}
if (null === $encoding) {
$encoding = self::mb_internal_encoding();
}
try {
$validEncoding = @self::mb_check_encoding('', $encoding);
} catch (\ValueError $e) {
throw new \ValueError(\sprintf('mb_str_pad(): Argument #5 ($encoding) must be a valid encoding, "%s" given', $encoding));
}
// BC for PHP 7.3 and lower
if (!$validEncoding) {
throw new \ValueError(\sprintf('mb_str_pad(): Argument #5 ($encoding) must be a valid encoding, "%s" given', $encoding));
}
if (self::mb_strlen($pad_string, $encoding) <= 0) {
throw new \ValueError('mb_str_pad(): Argument #3 ($pad_string) must be a non-empty string');
}
$paddingRequired = $length - self::mb_strlen($string, $encoding);
if ($paddingRequired < 1) {
return $string;
}
switch ($pad_type) {
case \STR_PAD_LEFT:
return self::mb_substr(\str_repeat($pad_string, $paddingRequired), 0, $paddingRequired, $encoding) . $string;
case \STR_PAD_RIGHT:
return $string . self::mb_substr(\str_repeat($pad_string, $paddingRequired), 0, $paddingRequired, $encoding);
default:
$leftPaddingLength = \floor($paddingRequired / 2);
$rightPaddingLength = $paddingRequired - $leftPaddingLength;
return self::mb_substr(\str_repeat($pad_string, $leftPaddingLength), 0, $leftPaddingLength, $encoding) . $string . self::mb_substr(\str_repeat($pad_string, $rightPaddingLength), 0, $rightPaddingLength, $encoding);
}
}
private static function getSubpart($pos, $part, $haystack, $encoding)
{
if (\false === $pos) {
return \false;
}
if ($part) {
return self::mb_substr($haystack, 0, $pos, $encoding);
}
return self::mb_substr($haystack, $pos, null, $encoding);
}
private static function html_encoding_callback(array $m)
{
$i = 1;
$entities = '';
$m = \unpack('C*', \htmlentities($m[0], \ENT_COMPAT, 'UTF-8'));
while (isset($m[$i])) {
if (0x80 > $m[$i]) {
$entities .= \chr($m[$i++]);
continue;
}
if (0xf0 <= $m[$i]) {
$c = ($m[$i++] - 0xf0 << 18) + ($m[$i++] - 0x80 << 12) + ($m[$i++] - 0x80 << 6) + $m[$i++] - 0x80;
} elseif (0xe0 <= $m[$i]) {
$c = ($m[$i++] - 0xe0 << 12) + ($m[$i++] - 0x80 << 6) + $m[$i++] - 0x80;
} else {
$c = ($m[$i++] - 0xc0 << 6) + $m[$i++] - 0x80;
}
$entities .= '&#' . $c . ';';
}
return $entities;
}
private static function title_case(array $s)
{
return self::mb_convert_case($s[1], \MB_CASE_UPPER, 'UTF-8') . self::mb_convert_case($s[2], \MB_CASE_LOWER, 'UTF-8');
}
private static function getData($file)
{
if (\file_exists($file = __DIR__ . '/Resources/unidata/' . $file . '.php')) {
return require $file;
}
return \false;
}
private static function getEncoding($encoding)
{
if (null === $encoding) {
return self::$internalEncoding;
}
if ('UTF-8' === $encoding) {
return 'UTF-8';
}
$encoding = \strtoupper($encoding);
if ('8BIT' === $encoding || 'BINARY' === $encoding) {
return 'CP850';
}
if ('UTF8' === $encoding) {
return 'UTF-8';
}
return $encoding;
}
}