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mb.php
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mb.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace {
use Symfony\Polyfill\Mbstring as p;
if (!function_exists('mb_strlen')) {
define('MB_CASE_UPPER', 0);
define('MB_CASE_LOWER', 1);
define('MB_CASE_TITLE', 2);
function mb_convert_encoding($s, $to, $from = null)
{
return p\Mbstring::mb_convert_encoding($s, $to, $from);
}
function mb_decode_mimeheader($s)
{
return p\Mbstring::mb_decode_mimeheader($s);
}
function mb_encode_mimeheader($s, $charset = null, $transferEnc = null, $lf = null, $indent = null)
{
return p\Mbstring::mb_encode_mimeheader($s, $charset, $transferEnc, $lf, $indent);
}
function mb_decode_numericentity($s, $convmap, $enc = null)
{
return p\Mbstring::mb_decode_numericentity($s, $convmap, $enc);
}
function mb_encode_numericentity($s, $convmap, $enc = null, $is_hex = false)
{
return p\Mbstring::mb_encode_numericentity($s, $convmap, $enc, $is_hex);
}
function mb_convert_case($s, $mode, $enc = null)
{
return p\Mbstring::mb_convert_case($s, $mode, $enc);
}
function mb_internal_encoding($enc = null)
{
return p\Mbstring::mb_internal_encoding($enc);
}
function mb_language($lang = null)
{
return p\Mbstring::mb_language($lang);
}
function mb_list_encodings()
{
return p\Mbstring::mb_list_encodings();
}
function mb_encoding_aliases($encoding)
{
return p\Mbstring::mb_encoding_aliases($encoding);
}
function mb_check_encoding($var = null, $encoding = null)
{
return p\Mbstring::mb_check_encoding($var, $encoding);
}
function mb_detect_encoding($str, $encodingList = null, $strict = false)
{
return p\Mbstring::mb_detect_encoding($str, $encodingList, $strict);
}
function mb_detect_order($encodingList = null)
{
return p\Mbstring::mb_detect_order($encodingList);
}
function mb_parse_str($s, &$result = [])
{
parse_str($s, $result);
}
function mb_strlen($s, $enc = null)
{
return p\Mbstring::mb_strlen($s, $enc);
}
function mb_strpos($s, $needle, $offset = 0, $enc = null)
{
return p\Mbstring::mb_strpos($s, $needle, $offset, $enc);
}
function mb_strtolower($s, $enc = null)
{
return p\Mbstring::mb_strtolower($s, $enc);
}
function mb_strtoupper($s, $enc = null)
{
return p\Mbstring::mb_strtoupper($s, $enc);
}
function mb_substitute_character($char = null)
{
return p\Mbstring::mb_substitute_character($char);
}
function mb_substr($s, $start, $length = 2147483647, $enc = null)
{
return p\Mbstring::mb_substr($s, $start, $length, $enc);
}
function mb_stripos($s, $needle, $offset = 0, $enc = null)
{
return p\Mbstring::mb_stripos($s, $needle, $offset, $enc);
}
function mb_stristr($s, $needle, $part = false, $enc = null)
{
return p\Mbstring::mb_stristr($s, $needle, $part, $enc);
}
function mb_strrchr($s, $needle, $part = false, $enc = null)
{
return p\Mbstring::mb_strrchr($s, $needle, $part, $enc);
}
function mb_strrichr($s, $needle, $part = false, $enc = null)
{
return p\Mbstring::mb_strrichr($s, $needle, $part, $enc);
}
function mb_strripos($s, $needle, $offset = 0, $enc = null)
{
return p\Mbstring::mb_strripos($s, $needle, $offset, $enc);
}
function mb_strrpos($s, $needle, $offset = 0, $enc = null)
{
return p\Mbstring::mb_strrpos($s, $needle, $offset, $enc);
}
function mb_strstr($s, $needle, $part = false, $enc = null)
{
return p\Mbstring::mb_strstr($s, $needle, $part, $enc);
}
function mb_get_info($type = 'all')
{
return p\Mbstring::mb_get_info($type);
}
function mb_http_output($enc = null)
{
return p\Mbstring::mb_http_output($enc);
}
function mb_strwidth($s, $enc = null)
{
return p\Mbstring::mb_strwidth($s, $enc);
}
function mb_substr_count($haystack, $needle, $enc = null)
{
return p\Mbstring::mb_substr_count($haystack, $needle, $enc);
}
function mb_output_handler($contents, $status)
{
return p\Mbstring::mb_output_handler($contents, $status);
}
function mb_http_input($type = '')
{
return p\Mbstring::mb_http_input($type);
}
function mb_convert_variables(
$toEncoding,
$fromEncoding,
&$a = null,
&$b = null,
&$c = null,
&$d = null,
&$e = null,
&$f = null
) {
return p\Mbstring::mb_convert_variables($toEncoding, $fromEncoding, $a, $b, $c, $d, $e, $f);
}
}
if (!function_exists('mb_chr')) {
function mb_ord($s, $enc = null)
{
return p\Mbstring::mb_ord($s, $enc);
}
function mb_chr($code, $enc = null)
{
return p\Mbstring::mb_chr($code, $enc);
}
function mb_scrub($s, $enc = null)
{
$enc = null === $enc ? mb_internal_encoding() : $enc;
return mb_convert_encoding($s, $enc, $enc);
}
}
if (!function_exists('mb_str_split')) {
function mb_str_split($string, $split_length = 1, $encoding = null)
{
return p\Mbstring::mb_str_split($string, $split_length, $encoding);
}
}
}
namespace Symfony\Polyfill\Mbstring {
/**
* Partial mbstring implementation in PHP, iconv based, UTF-8 centric.
*
* Implemented:
* - mb_chr - Returns a specific character from its Unicode code point
* - mb_convert_encoding - Convert character encoding
* - mb_convert_variables - Convert character code in variable(s)
* - mb_decode_mimeheader - Decode string in MIME header field
* - mb_encode_mimeheader - Encode string for MIME header XXX NATIVE IMPLEMENTATION IS REALLY BUGGED
* - mb_decode_numericentity - Decode HTML numeric string reference to character
* - mb_encode_numericentity - Encode character to HTML numeric string reference
* - mb_convert_case - Perform case folding on a string
* - mb_detect_encoding - Detect character encoding
* - mb_get_info - Get internal settings of mbstring
* - mb_http_input - Detect HTTP input character encoding
* - mb_http_output - Set/Get HTTP output character encoding
* - mb_internal_encoding - Set/Get internal character encoding
* - mb_list_encodings - Returns an array of all supported encodings
* - mb_ord - Returns the Unicode code point of a character
* - mb_output_handler - Callback function converts character encoding in output buffer
* - mb_scrub - Replaces ill-formed byte sequences with substitute characters
* - mb_strlen - Get string length
* - mb_strpos - Find position of first occurrence of string in a string
* - mb_strrpos - Find position of last occurrence of a string in a string
* - mb_str_split - Convert a string to an array
* - mb_strtolower - Make a string lowercase
* - mb_strtoupper - Make a string uppercase
* - mb_substitute_character - Set/Get substitution character
* - mb_substr - Get part of string
* - mb_stripos - Finds position of first occurrence of a string within another, case insensitive
* - mb_stristr - Finds first occurrence of a string within another, case insensitive
* - mb_strrchr - Finds the last occurrence of a character in a string within another
* - mb_strrichr - Finds the last occurrence of a character in a string within another, case insensitive
* - mb_strripos - Finds position of last occurrence of a string within another, case insensitive
* - mb_strstr - Finds first occurrence of a string within another
* - mb_strwidth - Return width of string
* - mb_substr_count - Count the number of substring occurrences
*
* Not implemented:
* - mb_convert_kana - Convert "kana" one from another ("zen-kaku", "han-kaku" and more)
* - mb_ereg_* - Regular expression with multibyte support
* - mb_parse_str - Parse GET/POST/COOKIE data and set global variable
* - mb_preferred_mime_name - Get MIME charset string
* - mb_regex_encoding - Returns current encoding for multibyte regex as string
* - mb_regex_set_options - Set/Get the default options for mbregex functions
* - mb_send_mail - Send encoded mail
* - mb_split - Split multibyte string using regular expression
* - mb_strcut - Get part of string
* - mb_strimwidth - Get truncated string with specified width
*
* @author Nicolas Grekas <[email protected]>
*
* @internal
*/
final class Mbstring
{
const MB_CASE_FOLD = PHP_INT_MAX;
private static $encodingList = ['ASCII', 'UTF-8'];
private static $language = 'neutral';
private static $internalEncoding = 'UTF-8';
private static $caseFold = [
[
'µ',
'ſ',
"\xCD\x85",
'ς',
"\xCF\x90",
"\xCF\x91",
"\xCF\x95",
"\xCF\x96",
"\xCF\xB0",
"\xCF\xB1",
"\xCF\xB5",
"\xE1\xBA\x9B",
"\xE1\xBE\xBE"
],
['μ', 's', 'ι', 'σ', 'β', 'θ', 'φ', 'π', 'κ', 'ρ', 'ε', "\xE1\xB9\xA1", 'ι'],
];
public static function mb_convert_encoding($s, $toEncoding, $fromEncoding = null)
{
if (\is_array($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,
$fromEncoding,
&$a = null,
&$b = null,
&$c = null,
&$d = null,
&$e = null,
&$f = null
) {
$vars = [&$a, &$b, &$c, &$d, &$e, &$f];
$ok = true;
array_walk_recursive($vars, function (&$v) use (&$ok, $toEncoding, $fromEncoding) {
if (false === $v = Mbstring::mb_convert_encoding($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) || !$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 Mbstring::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) || !$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::getDataTitleCaseRegexp();
}
$s = preg_replace_callback($titleRegexp, [__CLASS__, 'title_case'], $s);
} else {
if (MB_CASE_UPPER == $mode) {
static $upper = null;
if (null === $upper) {
$upper = self::getDataUpperCase();
}
$map = $upper;
} else {
if (self::MB_CASE_FOLD === $mode) {
$s = str_replace(self::$caseFold[0], self::$caseFold[1], $s);
}
static $lower = null;
if (null === $lower) {
$lower = self::getDataLowerCase();
}
$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;
}
$encoding = self::getEncoding($encoding);
if ('UTF-8' === $encoding || false !== @iconv($encoding, $encoding, ' ')) {
self::$internalEncoding = $encoding;
return true;
}
return false;
}
public static function mb_language($lang = null)
{
if (null === $lang) {
return self::$language;
}
switch ($lang = strtolower($lang)) {
case 'uni':
case 'neutral':
self::$language = $lang;
return true;
}
return false;
}
public static function mb_list_encodings()
{
return ['UTF-8'];
}
public static function mb_encoding_aliases($encoding)
{
switch (strtoupper($encoding)) {
case 'UTF8':
case 'UTF-8':
return ['utf8'];
}
return false;
}
public static function mb_check_encoding($var = null, $encoding = null)
{
if (null === $encoding) {
if (null === $var) {
return false;
}
$encoding = self::$internalEncoding;
}
return self::mb_detect_encoding($var, [$encoding]) || false !== @iconv($encoding, $encoding, $var);
}
public static function mb_detect_encoding($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 ('' === $needle) {
trigger_error(__METHOD__ . ': Empty delimiter', E_USER_WARNING);
return false;
}
return iconv_strpos($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);
}
}
$pos = iconv_strrpos($haystack, $needle, $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($string) . ' given',
E_USER_WARNING);
return null;
}
if ($split_length < 1) {
trigger_error('The length of each segment must be greater than zero', E_USER_WARNING);
return false;
}
if (null === $encoding) {
$encoding = mb_internal_encoding();
}
$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 (0 === strcasecmp($c, 'none')) {
return true;
}
return null !== $c ? false : 'none';
}
public static function mb_substr($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)
{
$haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding);
$needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding);
return self::mb_strpos($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' === $encoding) {
return strrchr($haystack, $needle, $part);
}
$needle = self::mb_substr($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, self::MB_CASE_FOLD, $encoding);
$needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding);
return self::mb_strrpos($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;