445 lines
15 KiB
PHP
445 lines
15 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Polyfill\Php84;
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/**
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* @author Ayesh Karunaratne <ayesh@aye.sh>
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* @author Pierre Ambroise <pierre27.ambroise@gmail.com>
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*
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* @internal
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*/
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final class Php84
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{
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/** @return string|false */
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public static function mb_ucfirst(string $string, ?string $encoding = null)
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{
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if (null === $encoding) {
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$encoding = mb_internal_encoding();
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}
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try {
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$validEncoding = @mb_check_encoding('', $encoding);
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} catch (\ValueError $e) {
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throw new \ValueError(\sprintf('mb_ucfirst(): Argument #2 ($encoding) must be a valid encoding, "%s" given', $encoding));
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}
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if (!$validEncoding) {
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if (80000 > \PHP_VERSION_ID) {
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trigger_error(\sprintf('mb_ucfirst(): Argument #2 ($encoding) must be a valid encoding, "%s" given', $encoding), \E_USER_WARNING);
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return false;
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}
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throw new \ValueError(\sprintf('mb_ucfirst(): Argument #2 ($encoding) must be a valid encoding, "%s" given', $encoding));
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}
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$firstChar = mb_substr($string, 0, 1, $encoding);
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$firstChar = mb_convert_case($firstChar, \MB_CASE_TITLE, $encoding);
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return $firstChar.mb_substr($string, 1, null, $encoding);
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}
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/** @return string|false */
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public static function mb_lcfirst(string $string, ?string $encoding = null)
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{
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if (null === $encoding) {
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$encoding = mb_internal_encoding();
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}
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try {
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$validEncoding = @mb_check_encoding('', $encoding);
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} catch (\ValueError $e) {
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throw new \ValueError(\sprintf('mb_lcfirst(): Argument #2 ($encoding) must be a valid encoding, "%s" given', $encoding));
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}
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if (!$validEncoding) {
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if (80000 > \PHP_VERSION_ID) {
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trigger_error(\sprintf('mb_lcfirst(): Argument #2 ($encoding) must be a valid encoding, "%s" given', $encoding), \E_USER_WARNING);
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return false;
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}
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throw new \ValueError(\sprintf('mb_lcfirst(): Argument #2 ($encoding) must be a valid encoding, "%s" given', $encoding));
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}
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$firstChar = mb_substr($string, 0, 1, $encoding);
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$firstChar = mb_convert_case($firstChar, \MB_CASE_LOWER, $encoding);
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return $firstChar.mb_substr($string, 1, null, $encoding);
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}
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public static function array_find(array $array, callable $callback)
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{
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foreach ($array as $key => $value) {
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if ($callback($value, $key)) {
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return $value;
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}
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}
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return null;
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}
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public static function array_find_key(array $array, callable $callback)
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{
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foreach ($array as $key => $value) {
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if ($callback($value, $key)) {
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return $key;
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}
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}
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return null;
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}
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public static function array_any(array $array, callable $callback): bool
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{
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foreach ($array as $key => $value) {
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if ($callback($value, $key)) {
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return true;
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}
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}
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return false;
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}
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public static function array_all(array $array, callable $callback): bool
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{
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foreach ($array as $key => $value) {
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if (!$callback($value, $key)) {
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return false;
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}
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}
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return true;
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}
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public static function fpow(float $num, float $exponent): float
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{
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return $num ** $exponent;
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}
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/** @return string|false */
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public static function mb_trim(string $string, ?string $characters = null, ?string $encoding = null)
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{
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return self::mb_internal_trim('{^[%s]+|[%1$s]+$}Du', $string, $characters, $encoding, __FUNCTION__);
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}
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/** @return string|false */
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public static function mb_ltrim(string $string, ?string $characters = null, ?string $encoding = null)
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{
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return self::mb_internal_trim('{^[%s]+}Du', $string, $characters, $encoding, __FUNCTION__);
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}
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/** @return string|false */
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public static function mb_rtrim(string $string, ?string $characters = null, ?string $encoding = null)
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{
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return self::mb_internal_trim('{[%s]+$}D', $string, $characters, $encoding, __FUNCTION__);
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}
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/** @return string|false */
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private static function mb_internal_trim(string $regex, string $string, ?string $characters, ?string $encoding, string $function)
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{
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if (null === $encoding) {
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$encoding = mb_internal_encoding();
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}
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try {
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$validEncoding = @mb_check_encoding('', $encoding);
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} catch (\ValueError $e) {
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throw new \ValueError(\sprintf('%s(): Argument #3 ($encoding) must be a valid encoding, "%s" given', $function, $encoding));
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}
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if (!$validEncoding) {
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if (80000 > \PHP_VERSION_ID) {
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trigger_error(\sprintf('%s(): Argument #3 ($encoding) must be a valid encoding, "%s" given', $function, $encoding), \E_USER_WARNING);
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return false;
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}
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throw new \ValueError(\sprintf('%s(): Argument #3 ($encoding) must be a valid encoding, "%s" given', $function, $encoding));
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}
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if ('' === $characters) {
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return null === $encoding ? $string : mb_convert_encoding($string, $encoding);
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}
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if ('UTF-8' === $encoding || \in_array(strtolower($encoding), ['utf-8', 'utf8'], true)) {
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$encoding = 'UTF-8';
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}
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$string = mb_convert_encoding($string, 'UTF-8', $encoding);
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if (null !== $characters) {
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$characters = mb_convert_encoding($characters, 'UTF-8', $encoding);
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}
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if (null === $characters) {
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$characters = "\\0 \f\n\r\t\v\u{00A0}\u{1680}\u{2000}\u{2001}\u{2002}\u{2003}\u{2004}\u{2005}\u{2006}\u{2007}\u{2008}\u{2009}\u{200A}\u{2028}\u{2029}\u{202F}\u{205F}\u{3000}\u{0085}\u{180E}";
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} else {
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$characters = preg_quote($characters);
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}
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$string = preg_replace(\sprintf($regex, $characters), '', $string);
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if ('UTF-8' === $encoding) {
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return $string;
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}
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return mb_convert_encoding($string, $encoding, 'UTF-8');
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}
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public static function grapheme_str_split(string $string, int $length)
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{
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if (0 > $length || 1073741823 < $length) {
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throw new \ValueError('grapheme_str_split(): Argument #2 ($length) must be greater than 0 and less than or equal to 1073741823.');
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}
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if ('' === $string) {
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return [];
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}
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$regex = ((float) \PCRE_VERSION < 10 ? (float) \PCRE_VERSION >= 8.32 : (float) \PCRE_VERSION >= 10.39)
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? '\X'
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: '(?:\r\n|(?:[ -~\x{200C}\x{200D}]|[ᆨ-ᇹ]+|[ᄀ-ᅟ]*(?:[가개갸걔거게겨계고과괘괴교구궈궤귀규그긔기까깨꺄꺠꺼께껴꼐꼬꽈꽤꾀꾜꾸꿔꿰뀌뀨끄끠끼나내냐냬너네녀녜노놔놰뇌뇨누눠눼뉘뉴느늬니다대댜댸더데뎌뎨도돠돼되됴두둬뒈뒤듀드듸디따때땨떄떠떼뗘뗴또똬뙈뙤뚀뚜뚸뛔뛰뜌뜨띄띠라래랴럐러레려례로롸뢔뢰료루뤄뤠뤼류르릐리마매먀먜머메며몌모뫄뫠뫼묘무뭐뭬뮈뮤므믜미바배뱌뱨버베벼볘보봐봬뵈뵤부붜붸뷔뷰브븨비빠빼뺘뺴뻐뻬뼈뼤뽀뽜뽸뾔뾰뿌뿨쀄쀠쀼쁘쁴삐사새샤섀서세셔셰소솨쇄쇠쇼수숴쉐쉬슈스싀시싸쌔쌰썌써쎄쎠쎼쏘쏴쐐쐬쑈쑤쒀쒜쒸쓔쓰씌씨아애야얘어에여예오와왜외요우워웨위유으의이자재쟈쟤저제져졔조좌좨죄죠주줘줴쥐쥬즈즤지짜째쨔쨰쩌쩨쪄쪠쪼쫘쫴쬐쬬쭈쭤쮀쮜쮸쯔쯰찌차채챠챼처체쳐쳬초촤쵀최쵸추춰췌취츄츠츼치카캐캬컈커케켜켸코콰쾌쾨쿄쿠쿼퀘퀴큐크킈키타태탸턔터테텨톄토톼퇘퇴툐투퉈퉤튀튜트틔티파패퍄퍠퍼페펴폐포퐈퐤푀표푸풔풰퓌퓨프픠피하해햐햬허헤혀혜호화홰회효후훠훼휘휴흐희히]?[ᅠ-ᆢ]+|[가-힣])[ᆨ-ᇹ]*|[ᄀ-ᅟ]+|[^\p{Cc}\p{Cf}\p{Zl}\p{Zp}])[\p{Mn}\p{Me}\x{09BE}\x{09D7}\x{0B3E}\x{0B57}\x{0BBE}\x{0BD7}\x{0CC2}\x{0CD5}\x{0CD6}\x{0D3E}\x{0D57}\x{0DCF}\x{0DDF}\x{200C}\x{200D}\x{1D165}\x{1D16E}-\x{1D172}]*|[\p{Cc}\p{Cf}\p{Zl}\p{Zp}])';
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if (!preg_match_all('/'.$regex.'/u', $string, $matches)) {
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return false;
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}
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if (1 === $length) {
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return $matches[0];
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}
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$chunks = array_chunk($matches[0], $length);
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foreach ($chunks as &$chunk) {
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$chunk = implode('', $chunk);
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}
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return $chunks;
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}
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public static function bcceil(string $num): string
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{
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if (!is_numeric($num)) {
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throw new \ValueError('bcceil(): Argument #1 ($num) is not well-formed');
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}
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return self::bcround($num, 0, \RoundingMode::PositiveInfinity);
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}
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public static function bcdivmod(string $num1, string $num2, ?int $scale = null): ?array
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{
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if (null === $quot = @bcdiv($num1, $num2, 0)) {
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throw new \DivisionByZeroError('Division by zero');
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}
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$scale = $scale ?? (\PHP_VERSION_ID >= 70300 ? bcscale() : (\ini_get('bcmath.scale') ?: 0));
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return [$quot, bcmod($num1, $num2, $scale)];
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}
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public static function bcfloor(string $num): string
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{
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if (!is_numeric($num)) {
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throw new \ValueError('bcfloor(): Argument #1 ($num) is not well-formed');
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}
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return self::bcround($num, 0, \RoundingMode::NegativeInfinity);
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}
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/**
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* @param \RoundingMode|\RoundingMode::* $mode
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*/
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public static function bcround(string $num, int $precision = 0, $mode = \RoundingMode::HalfAwayFromZero): string
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{
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if (!is_numeric($num)) {
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throw new \ValueError('bcround(): Argument #1 ($num) is not well-formed');
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}
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$sign = 1;
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if ('' !== $num && ('-' === $num[0] || '+' === $num[0])) {
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if ('-' === $num[0]) {
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$sign = -1;
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}
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$num = substr($num, 1);
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}
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if (false !== strpos($num, '.')) {
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[$intPart, $fracPart] = array_pad(explode('.', $num, 2), 2, '');
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} else {
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$intPart = $num;
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$fracPart = '';
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}
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if ('' === $intPart) {
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$intPart = '0';
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}
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$intPart = self::trimLeadingZeros($intPart);
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$fracPart = (string) $fracPart;
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if ($precision >= 0) {
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$fracLength = \strlen($fracPart);
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if ($precision <= $fracLength) {
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$scaledInt = $intPart.(string) substr($fracPart, 0, $precision);
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$scaledFrac = (string) substr($fracPart, $precision);
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} else {
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$scaledInt = $intPart.$fracPart.str_repeat('0', $precision - $fracLength);
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$scaledFrac = '';
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}
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} else {
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$shift = -$precision;
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$intLength = \strlen($intPart);
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if ($shift <= $intLength) {
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$splitPos = $intLength - $shift;
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$scaledInt = substr($intPart, 0, $splitPos);
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$scaledInt = '' === $scaledInt ? '0' : $scaledInt;
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$scaledFrac = substr($intPart, $splitPos).$fracPart;
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} else {
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$scaledInt = '0';
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$scaledFrac = str_repeat('0', $shift - $intLength).$intPart.$fracPart;
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}
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}
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$roundedInt = self::roundIntegerPart($scaledInt, $scaledFrac, $sign, $mode);
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$isZero = '' === trim($roundedInt, '0');
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$absResult = self::formatRoundedDigits($roundedInt, $precision);
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if (-1 === $sign && !$isZero) {
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$absResult = '-'.$absResult;
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}
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return $absResult;
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}
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private static function roundIntegerPart(string $intPart, string $fracPart, int $sign, $mode): string
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{
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$intPart = self::trimLeadingZeros($intPart);
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if ('' === $fracPart || '' === trim($fracPart, '0')) {
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return $intPart;
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}
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$firstDigit = $fracPart[0];
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$tail = (string) substr($fracPart, 1);
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$tailNonZero = '' !== trim($tail, '0');
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$isGreaterThanHalf = $firstDigit > '5' || ('5' === $firstDigit && $tailNonZero);
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$isExactlyHalf = '5' === $firstDigit && !$tailNonZero;
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$shouldIncrease = false;
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switch ($mode) {
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case \RoundingMode::TowardsZero:
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break;
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case \RoundingMode::AwayFromZero:
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$shouldIncrease = true;
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break;
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case \RoundingMode::PositiveInfinity:
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$shouldIncrease = $sign > 0;
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break;
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case \RoundingMode::NegativeInfinity:
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$shouldIncrease = $sign < 0;
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break;
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case \RoundingMode::HalfAwayFromZero:
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$shouldIncrease = $isGreaterThanHalf || $isExactlyHalf;
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break;
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case \RoundingMode::HalfTowardsZero:
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$shouldIncrease = $isGreaterThanHalf;
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break;
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case \RoundingMode::HalfEven:
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if ($isGreaterThanHalf) {
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$shouldIncrease = true;
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} elseif ($isExactlyHalf && 1 === self::lastDigit($intPart) % 2) {
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$shouldIncrease = true;
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}
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break;
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case \RoundingMode::HalfOdd:
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if ($isGreaterThanHalf) {
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$shouldIncrease = true;
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} elseif ($isExactlyHalf && 0 === self::lastDigit($intPart) % 2) {
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$shouldIncrease = true;
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}
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break;
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}
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if ($shouldIncrease) {
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$intPart = self::incrementDigits($intPart);
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}
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return self::trimLeadingZeros($intPart);
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}
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private static function formatRoundedDigits(string $roundedInt, int $precision): string
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{
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if ($precision > 0) {
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if (\strlen($roundedInt) <= $precision) {
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$roundedInt = str_pad($roundedInt, $precision + 1, '0', \STR_PAD_LEFT);
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}
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$intDigits = substr($roundedInt, 0, -$precision);
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$fracDigits = substr($roundedInt, -$precision);
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$intDigits = self::trimLeadingZeros('' === $intDigits ? '0' : $intDigits);
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$fracDigits = str_pad($fracDigits, $precision, '0', \STR_PAD_LEFT);
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return $intDigits.'.'.$fracDigits;
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}
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if (0 === $precision) {
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return self::trimLeadingZeros($roundedInt);
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}
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$shift = -$precision;
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$digits = $roundedInt.str_repeat('0', $shift);
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return self::trimLeadingZeros($digits);
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}
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private static function incrementDigits(string $digits): string
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{
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$digits = '' === $digits ? '0' : $digits;
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$index = \strlen($digits) - 1;
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$result = $digits;
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$carry = 1;
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while ($index >= 0 && $carry) {
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$value = \ord($result[$index]) - 48 + $carry;
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$carry = $value >= 10 ? 1 : 0;
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$result[$index] = \chr(48 + ($value % 10));
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--$index;
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}
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return $carry ? '1'.$result : $result;
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}
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private static function trimLeadingZeros(string $digits): string
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{
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$digits = ltrim($digits, '0');
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return '' === $digits ? '0' : $digits;
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}
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private static function lastDigit(string $digits): int
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{
|
||
$length = \strlen($digits);
|
||
|
||
return $length ? \ord($digits[$length - 1]) - 48 : 0;
|
||
}
|
||
}
|