Privacy Policy

<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\String; use Symfony\Component\String\Exception\ExceptionInterface; use Symfony\Component\String\Exception\InvalidArgumentException; use Symfony\Component\String\Exception\RuntimeException; /** * Represents a string of abstract Unicode characters. * * Unicode defines 3 types of "characters" (bytes, code points and grapheme clusters). * This class is the abstract type to use as a type-hint when the logic you want to * implement is Unicode-aware but doesn't care about code points vs grapheme clusters. * * @author Nicolas Grekas <p@tchwork.com> * * @throws ExceptionInterface */ abstract class AbstractUnicodeString extends AbstractString { public const NFC = \Normalizer::NFC; public const NFD = \Normalizer::NFD; public const NFKC = \Normalizer::NFKC; public const NFKD = \Normalizer::NFKD; // all ASCII letters sorted by typical frequency of occurrence private const ASCII = "\x20\x65\x69\x61\x73\x6E\x74\x72\x6F\x6C\x75\x64\x5D\x5B\x63\x6D\x70\x27\x0A\x67\x7C\x68\x76\x2E\x66\x62\x2C\x3A\x3D\x2D\x71\x31\x30\x43\x32\x2A\x79\x78\x29\x28\x4C\x39\x41\x53\x2F\x50\x22\x45\x6A\x4D\x49\x6B\x33\x3E\x35\x54\x3C\x44\x34\x7D\x42\x7B\x38\x46\x77\x52\x36\x37\x55\x47\x4E\x3B\x4A\x7A\x56\x23\x48\x4F\x57\x5F\x26\x21\x4B\x3F\x58\x51\x25\x59\x5C\x09\x5A\x2B\x7E\x5E\x24\x40\x60\x7F\x00\x01\x02\x03\x04\x05\x06\x07\x08\x0B\x0C\x0D\x0E\x0F\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F"; // the subset of folded case mappings that is not in lower case mappings private const FOLD_FROM = ['İ', 'µ', 'ſ', "\xCD\x85", 'ς', 'ϐ', 'ϑ', 'ϕ', 'ϖ', 'ϰ', 'ϱ', 'ϵ', 'ẛ', "\xE1\xBE\xBE", 'ß', 'İ', 'ŉ', 'ǰ', 'ΐ', 'ΰ', 'և', 'ẖ', 'ẗ', 'ẘ', 'ẙ', 'ẚ', 'ẞ', 'ὐ', 'ὒ', 'ὔ', 'ὖ', 'ᾀ', 'ᾁ', 'ᾂ', 'ᾃ', 'ᾄ', 'ᾅ', 'ᾆ', 'ᾇ', 'ᾈ', 'ᾉ', 'ᾊ', 'ᾋ', 'ᾌ', 'ᾍ', 'ᾎ', 'ᾏ', 'ᾐ', 'ᾑ', 'ᾒ', 'ᾓ', 'ᾔ', 'ᾕ', 'ᾖ', 'ᾗ', 'ᾘ', 'ᾙ', 'ᾚ', 'ᾛ', 'ᾜ', 'ᾝ', 'ᾞ', 'ᾟ', 'ᾠ', 'ᾡ', 'ᾢ', 'ᾣ', 'ᾤ', 'ᾥ', 'ᾦ', 'ᾧ', 'ᾨ', 'ᾩ', 'ᾪ', 'ᾫ', 'ᾬ', 'ᾭ', 'ᾮ', 'ᾯ', 'ᾲ', 'ᾳ', 'ᾴ', 'ᾶ', 'ᾷ', 'ᾼ', 'ῂ', 'ῃ', 'ῄ', 'ῆ', 'ῇ', 'ῌ', 'ῒ', 'ΐ', 'ῖ', 'ῗ', 'ῢ', 'ΰ', 'ῤ', 'ῦ', 'ῧ', 'ῲ', 'ῳ', 'ῴ', 'ῶ', 'ῷ', 'ῼ', 'ﬀ', 'ﬁ', 'ﬂ', 'ﬃ', 'ﬄ', 'ﬅ', 'ﬆ', 'ﬓ', 'ﬔ', 'ﬕ', 'ﬖ', 'ﬗ']; private const FOLD_TO = ['i̇', 'μ', 's', 'ι', 'σ', 'β', 'θ', 'φ', 'π', 'κ', 'ρ', 'ε', 'ṡ', 'ι', 'ss', 'i̇', 'ʼn', 'ǰ', 'ΐ', 'ΰ', 'եւ', 'ẖ', 'ẗ', 'ẘ', 'ẙ', 'aʾ', 'ss', 'ὐ', 'ὒ', 'ὔ', 'ὖ', 'ἀι', 'ἁι', 'ἂι', 'ἃι', 'ἄι', 'ἅι', 'ἆι', 'ἇι', 'ἀι', 'ἁι', 'ἂι', 'ἃι', 'ἄι', 'ἅι', 'ἆι', 'ἇι', 'ἠι', 'ἡι', 'ἢι', 'ἣι', 'ἤι', 'ἥι', 'ἦι', 'ἧι', 'ἠι', 'ἡι', 'ἢι', 'ἣι', 'ἤι', 'ἥι', 'ἦι', 'ἧι', 'ὠι', 'ὡι', 'ὢι', 'ὣι', 'ὤι', 'ὥι', 'ὦι', 'ὧι', 'ὠι', 'ὡι', 'ὢι', 'ὣι', 'ὤι', 'ὥι', 'ὦι', 'ὧι', 'ὰι', 'αι', 'άι', 'ᾶ', 'ᾶι', 'αι', 'ὴι', 'ηι', 'ήι', 'ῆ', 'ῆι', 'ηι', 'ῒ', 'ΐ', 'ῖ', 'ῗ', 'ῢ', 'ΰ', 'ῤ', 'ῦ', 'ῧ', 'ὼι', 'ωι', 'ώι', 'ῶ', 'ῶι', 'ωι', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'st', 'st', 'մն', 'մե', 'մի', 'վն', 'մխ']; // the subset of upper case mappings that map one code point to many code points private const UPPER_FROM = ['ß', 'ﬀ', 'ﬁ', 'ﬂ', 'ﬃ', 'ﬄ', 'ﬅ', 'ﬆ', 'և', 'ﬓ', 'ﬔ', 'ﬕ', 'ﬖ', 'ﬗ', 'ŉ', 'ΐ', 'ΰ', 'ǰ', 'ẖ', 'ẗ', 'ẘ', 'ẙ', 'ẚ', 'ὐ', 'ὒ', 'ὔ', 'ὖ', 'ᾶ', 'ῆ', 'ῒ', 'ΐ', 'ῖ', 'ῗ', 'ῢ', 'ΰ', 'ῤ', 'ῦ', 'ῧ', 'ῶ']; private const UPPER_TO = ['SS', 'FF', 'FI', 'FL', 'FFI', 'FFL', 'ST', 'ST', 'ԵՒ', 'ՄՆ', 'ՄԵ', 'ՄԻ', 'ՎՆ', 'ՄԽ', 'ʼN', 'Ϊ́', 'Ϋ́', 'J̌', 'H̱', 'T̈', 'W̊', 'Y̊', 'Aʾ', 'Υ̓', 'Υ̓̀', 'Υ̓́', 'Υ̓͂', 'Α͂', 'Η͂', 'Ϊ̀', 'Ϊ́', 'Ι͂', 'Ϊ͂', 'Ϋ̀', 'Ϋ́', 'Ρ̓', 'Υ͂', 'Ϋ͂', 'Ω͂']; // the subset of https://github.com/unicode-org/cldr/blob/master/common/transforms/Latin-ASCII.xml that is not in NFKD private const TRANSLIT_FROM = ['Æ', 'Ð', 'Ø', 'Þ', 'ß', 'æ', 'ð', 'ø', 'þ', 'Đ', 'đ', 'Ħ', 'ħ', 'ı', 'ĸ', 'Ŀ', 'ŀ', 'Ł', 'ł', 'ŉ', 'Ŋ', 'ŋ', 'Œ', 'œ', 'Ŧ', 'ŧ', 'ƀ', 'Ɓ', 'Ƃ', 'ƃ', 'Ƈ', 'ƈ', 'Ɖ', 'Ɗ', 'Ƌ', 'ƌ', 'Ɛ', 'Ƒ', 'ƒ', 'Ɠ', 'ƕ', 'Ɩ', 'Ɨ', 'Ƙ', 'ƙ', 'ƚ', 'Ɲ', 'ƞ', 'Ƣ', 'ƣ', 'Ƥ', 'ƥ', 'ƫ', 'Ƭ', 'ƭ', 'Ʈ', 'Ʋ', 'Ƴ', 'ƴ', 'Ƶ', 'ƶ', 'Ǆ', 'ǅ', 'ǆ', 'Ǥ', 'ǥ', 'ȡ', 'Ȥ', 'ȥ', 'ȴ', 'ȵ', 'ȶ', 'ȷ', 'ȸ', 'ȹ', 'Ⱥ', 'Ȼ', 'ȼ', 'Ƚ', 'Ⱦ', 'ȿ', 'ɀ', 'Ƀ', 'Ʉ', 'Ɇ', 'ɇ', 'Ɉ', 'ɉ', 'Ɍ', 'ɍ', 'Ɏ', 'ɏ', 'ɓ', 'ɕ', 'ɖ', 'ɗ', 'ɛ', 'ɟ', 'ɠ', 'ɡ', 'ɢ', 'ɦ', 'ɧ', 'ɨ', 'ɪ', 'ɫ', 'ɬ', 'ɭ', 'ɱ', 'ɲ', 'ɳ', 'ɴ', 'ɶ', 'ɼ', 'ɽ', 'ɾ', 'ʀ', 'ʂ', 'ʈ', 'ʉ', 'ʋ', 'ʏ', 'ʐ', 'ʑ', 'ʙ', 'ʛ', 'ʜ', 'ʝ', 'ʟ', 'ʠ', 'ʣ', 'ʥ', 'ʦ', 'ʪ', 'ʫ', 'ᴀ', 'ᴁ', 'ᴃ', 'ᴄ', 'ᴅ', 'ᴆ', 'ᴇ', 'ᴊ', 'ᴋ', 'ᴌ', 'ᴍ', 'ᴏ', 'ᴘ', 'ᴛ', 'ᴜ', 'ᴠ', 'ᴡ', 'ᴢ', 'ᵫ', 'ᵬ', 'ᵭ', 'ᵮ', 'ᵯ', 'ᵰ', 'ᵱ', 'ᵲ', 'ᵳ', 'ᵴ', 'ᵵ', 'ᵶ', 'ᵺ', 'ᵻ', 'ᵽ', 'ᵾ', 'ᶀ', 'ᶁ', 'ᶂ', 'ᶃ', 'ᶄ', 'ᶅ', 'ᶆ', 'ᶇ', 'ᶈ', 'ᶉ', 'ᶊ', 'ᶌ', 'ᶍ', 'ᶎ', 'ᶏ', 'ᶑ', 'ᶒ', 'ᶓ', 'ᶖ', 'ᶙ', 'ẚ', 'ẜ', 'ẝ', 'ẞ', 'Ỻ', 'ỻ', 'Ỽ', 'ỽ', 'Ỿ', 'ỿ', '©', '®', '₠', '₢', '₣', '₤', '₧', '₺', '₹', 'ℌ', '℞', '㎧', '㎮', '㏆', '㏗', '㏞', '㏟', '¼', '½', '¾', '⅓', '⅔', '⅕', '⅖', '⅗', '⅘', '⅙', '⅚', '⅛', '⅜', '⅝', '⅞', '⅟', '〇', '‘', '’', '‚', '‛', '“', '”', '„', '‟', '′', '″', '〝', '〞', '«', '»', '‹', '›', '‐', '‑', '‒', '–', '—', '―', '︱', '︲', '﹘', '‖', '⁄', '⁅', '⁆', '⁎', '、', '。', '〈', '〉', '《', '》', '〔', '〕', '〘', '〙', '〚', '〛', '︑', '︒', '︹', '︺', '︽', '︾', '︿', '﹀', '﹑', '﹝', '﹞', '｟', '｠', '｡', '､', '×', '÷', '−', '∕', '∖', '∣', '∥', '≪', '≫', '⦅', '⦆']; private const TRANSLIT_TO = ['AE', 'D', 'O', 'TH', 'ss', 'ae', 'd', 'o', 'th', 'D', 'd', 'H', 'h', 'i', 'q', 'L', 'l', 'L', 'l', '\'n', 'N', 'n', 'OE', 'oe', 'T', 't', 'b', 'B', 'B', 'b', 'C', 'c', 'D', 'D', 'D', 'd', 'E', 'F', 'f', 'G', 'hv', 'I', 'I', 'K', 'k', 'l', 'N', 'n', 'OI', 'oi', 'P', 'p', 't', 'T', 't', 'T', 'V', 'Y', 'y', 'Z', 'z', 'DZ', 'Dz', 'dz', 'G', 'g', 'd', 'Z', 'z', 'l', 'n', 't', 'j', 'db', 'qp', 'A', 'C', 'c', 'L', 'T', 's', 'z', 'B', 'U', 'E', 'e', 'J', 'j', 'R', 'r', 'Y', 'y', 'b', 'c', 'd', 'd', 'e', 'j', 'g', 'g', 'G', 'h', 'h', 'i', 'I', 'l', 'l', 'l', 'm', 'n', 'n', 'N', 'OE', 'r', 'r', 'r', 'R', 's', 't', 'u', 'v', 'Y', 'z', 'z', 'B', 'G', 'H', 'j', 'L', 'q', 'dz', 'dz', 'ts', 'ls', 'lz', 'A', 'AE', 'B', 'C', 'D', 'D', 'E', 'J', 'K', 'L', 'M', 'O', 'P', 'T', 'U', 'V', 'W', 'Z', 'ue', 'b', 'd', 'f', 'm', 'n', 'p', 'r', 'r', 's', 't', 'z', 'th', 'I', 'p', 'U', 'b', 'd', 'f', 'g', 'k', 'l', 'm', 'n', 'p', 'r', 's', 'v', 'x', 'z', 'a', 'd', 'e', 'e', 'i', 'u', 'a', 's', 's', 'SS', 'LL', 'll', 'V', 'v', 'Y', 'y', '(C)', '(R)', 'CE', 'Cr', 'Fr.', 'L.', 'Pts', 'TL', 'Rs', 'x', 'Rx', 'm/s', 'rad/s', 'C/kg', 'pH', 'V/m', 'A/m', ' 1/4', ' 1/2', ' 3/4', ' 1/3', ' 2/3', ' 1/5', ' 2/5', ' 3/5', ' 4/5', ' 1/6', ' 5/6', ' 1/8', ' 3/8', ' 5/8', ' 7/8', ' 1/', '0', '\'', '\'', ',', '\'', '"', '"', ',,', '"', '\'', '"', '"', '"', '<<', '>>', '<', '>', '-', '-', '-', '-', '-', '-', '-', '-', '-', '||', '/', '[', ']', '*', ',', '.', '<', '>', '<<', '>>', '[', ']', '[', ']', '[', ']', ',', '.', '[', ']', '<<', '>>', '<', '>', ',', '[', ']', '((', '))', '.', ',', '*', '/', '-', '/', '\\', '|', '||', '<<', '>>', '((', '))']; private static $transliterators = []; private static $tableZero; private static $tableWide; public static function fromCodePoints(int ...$codes): static { $string = ''; foreach ($codes as $code) { if (0x80 > $code %= 0x200000) { $string .= \chr($code); } elseif (0x800 > $code) { $string .= \chr(0xC0 | $code >> 6).\chr(0x80 | $code & 0x3F); } elseif (0x10000 > $code) { $string .= \chr(0xE0 | $code >> 12).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); } else { $string .= \chr(0xF0 | $code >> 18).\chr(0x80 | $code >> 12 & 0x3F).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); } } return new static($string); } /** * Generic UTF-8 to ASCII transliteration. * * Install the intl extension for best results. * * @param string[]|\Transliterator[]|\Closure[] $rules See "*-Latin" rules from Transliterator::listIDs() */ public function ascii(array $rules = []): self { $str = clone $this; $s = $str->string; $str->string = ''; array_unshift($rules, 'nfd'); $rules[] = 'latin-ascii'; if (\function_exists('transliterator_transliterate')) { $rules[] = 'any-latin/bgn'; } $rules[] = 'nfkd'; $rules[] = '[:nonspacing mark:] remove'; while (\strlen($s) - 1 > $i = strspn($s, self::ASCII)) { if (0 < --$i) { $str->string .= substr($s, 0, $i); $s = substr($s, $i); } if (!$rule = array_shift($rules)) { $rules = []; // An empty rule interrupts the next ones } if ($rule instanceof \Transliterator) { $s = $rule->transliterate($s); } elseif ($rule instanceof \Closure) { $s = $rule($s); } elseif ($rule) { if ('nfd' === $rule = strtolower($rule)) { normalizer_is_normalized($s, self::NFD) ?: $s = normalizer_normalize($s, self::NFD); } elseif ('nfkd' === $rule) { normalizer_is_normalized($s, self::NFKD) ?: $s = normalizer_normalize($s, self::NFKD); } elseif ('[:nonspacing mark:] remove' === $rule) { $s = preg_replace('/\p{Mn}++/u', '', $s); } elseif ('latin-ascii' === $rule) { $s = str_replace(self::TRANSLIT_FROM, self::TRANSLIT_TO, $s); } elseif ('de-ascii' === $rule) { $s = preg_replace("/([AUO])\u{0308}(?=\p{Ll})/u", '$1e', $s); $s = str_replace(["a\u{0308}", "o\u{0308}", "u\u{0308}", "A\u{0308}", "O\u{0308}", "U\u{0308}"], ['ae', 'oe', 'ue', 'AE', 'OE', 'UE'], $s); } elseif (\function_exists('transliterator_transliterate')) { if (null === $transliterator = self::$transliterators[$rule] ?? self::$transliterators[$rule] = \Transliterator::create($rule)) { if ('any-latin/bgn' === $rule) { $rule = 'any-latin'; $transliterator = self::$transliterators[$rule] ?? self::$transliterators[$rule] = \Transliterator::create($rule); } if (null === $transliterator) { throw new InvalidArgumentException(sprintf('Unknown transliteration rule "%s".', $rule)); } self::$transliterators['any-latin/bgn'] = $transliterator; } $s = $transliterator->transliterate($s); } } elseif (!\function_exists('iconv')) { $s = preg_replace('/[^\x00-\x7F]/u', '?', $s); } else { $s = @preg_replace_callback('/[^\x00-\x7F]/u', static function ($c) { $c = (string) iconv('UTF-8', 'ASCII//TRANSLIT', $c[0]); if ('' === $c && '' === iconv('UTF-8', 'ASCII//TRANSLIT', '²')) { throw new \LogicException(sprintf('"%s" requires a translit-able iconv implementation, try installing "gnu-libiconv" if you\'re using Alpine Linux.', static::class)); } return 1 < \strlen($c) ? ltrim($c, '\'`"^~') : ('' !== $c ? $c : '?'); }, $s); } } $str->string .= $s; return $str; } public function camel(): static { $str = clone $this; $str->string = str_replace(' ', '', preg_replace_callback('/\b.(?![A-Z]{2,})/u', static function ($m) use (&$i) { return 1 === ++$i ? ('İ' === $m[0] ? 'i̇' : mb_strtolower($m[0], 'UTF-8')) : mb_convert_case($m[0], \MB_CASE_TITLE, 'UTF-8'); }, preg_replace('/[^\pL0-9]++/u', ' ', $this->string))); return $str; } /** * @return int[] */ public function codePointsAt(int $offset): array { $str = $this->slice($offset, 1); if ('' === $str->string) { return []; } $codePoints = []; foreach (preg_split('//u', $str->string, -1, \PREG_SPLIT_NO_EMPTY) as $c) { $codePoints[] = mb_ord($c, 'UTF-8'); } return $codePoints; } public function folded(bool $compat = true): static { $str = clone $this; if (!$compat || !\defined('Normalizer::NFKC_CF')) { $str->string = normalizer_normalize($str->string, $compat ? \Normalizer::NFKC : \Normalizer::NFC); $str->string = mb_strtolower(str_replace(self::FOLD_FROM, self::FOLD_TO, $this->string), 'UTF-8'); } else { $str->string = normalizer_normalize($str->string, \Normalizer::NFKC_CF); } return $str; } public function join(array $strings, string $lastGlue = null): static { $str = clone $this; $tail = null !== $lastGlue && 1 < \count($strings) ? $lastGlue.array_pop($strings) : ''; $str->string = implode($this->string, $strings).$tail; if (!preg_match('//u', $str->string)) { throw new InvalidArgumentException('Invalid UTF-8 string.'); } return $str; } public function lower(): static { $str = clone $this; $str->string = mb_strtolower(str_replace('İ', 'i̇', $str->string), 'UTF-8'); return $str; } public function match(string $regexp, int $flags = 0, int $offset = 0): array { $match = ((\PREG_PATTERN_ORDER | \PREG_SET_ORDER) & $flags) ? 'preg_match_all' : 'preg_match'; if ($this->ignoreCase) { $regexp .= 'i'; } set_error_handler(static function ($t, $m) { throw new InvalidArgumentException($m); }); try { if (false === $match($regexp.'u', $this->string, $matches, $flags | \PREG_UNMATCHED_AS_NULL, $offset)) { $lastError = preg_last_error(); foreach (get_defined_constants(true)['pcre'] as $k => $v) { if ($lastError === $v && '_ERROR' === substr($k, -6)) { throw new RuntimeException('Matching failed with '.$k.'.'); } } throw new RuntimeException('Matching failed with unknown error code.'); } } finally { restore_error_handler(); } return $matches; } public function normalize(int $form = self::NFC): static { if (!\in_array($form, [self::NFC, self::NFD, self::NFKC, self::NFKD])) { throw new InvalidArgumentException('Unsupported normalization form.'); } $str = clone $this; normalizer_is_normalized($str->string, $form) ?: $str->string = normalizer_normalize($str->string, $form); return $str; } public function padBoth(int $length, string $padStr = ' '): static { if ('' === $padStr || !preg_match('//u', $padStr)) { throw new InvalidArgumentException('Invalid UTF-8 string.'); } $pad = clone $this; $pad->string = $padStr; return $this->pad($length, $pad, \STR_PAD_BOTH); } public function padEnd(int $length, string $padStr = ' '): static { if ('' === $padStr || !preg_match('//u', $padStr)) { throw new InvalidArgumentException('Invalid UTF-8 string.'); } $pad = clone $this; $pad->string = $padStr; return $this->pad($length, $pad, \STR_PAD_RIGHT); } public function padStart(int $length, string $padStr = ' '): static { if ('' === $padStr || !preg_match('//u', $padStr)) { throw new InvalidArgumentException('Invalid UTF-8 string.'); } $pad = clone $this; $pad->string = $padStr; return $this->pad($length, $pad, \STR_PAD_LEFT); } public function replaceMatches(string $fromRegexp, string|callable $to): static { if ($this->ignoreCase) { $fromRegexp .= 'i'; } if (\is_array($to) || $to instanceof \Closure) { $replace = 'preg_replace_callback'; $to = static function (array $m) use ($to): string { $to = $to($m); if ('' !== $to && (!\is_string($to) || !preg_match('//u', $to))) { throw new InvalidArgumentException('Replace callback must return a valid UTF-8 string.'); } return $to; }; } elseif ('' !== $to && !preg_match('//u', $to)) { throw new InvalidArgumentException('Invalid UTF-8 string.'); } else { $replace = 'preg_replace'; } set_error_handler(static function ($t, $m) { throw new InvalidArgumentException($m); }); try { if (null === $string = $replace($fromRegexp.'u', $to, $this->string)) { $lastError = preg_last_error(); foreach (get_defined_constants(true)['pcre'] as $k => $v) { if ($lastError === $v && '_ERROR' === substr($k, -6)) { throw new RuntimeException('Matching failed with '.$k.'.'); } } throw new RuntimeException('Matching failed with unknown error code.'); } } finally { restore_error_handler(); } $str = clone $this; $str->string = $string; return $str; } public function reverse(): static { $str = clone $this; $str->string = implode('', array_reverse(preg_split('/(\X)/u', $str->string, -1, \PREG_SPLIT_DELIM_CAPTURE | \PREG_SPLIT_NO_EMPTY))); return $str; } public function snake(): static { $str = $this->camel(); $str->string = mb_strtolower(preg_replace(['/(\p{Lu}+)(\p{Lu}\p{Ll})/u', '/([\p{Ll}0-9])(\p{Lu})/u'], '\1_\2', $str->string), 'UTF-8'); return $str; } public function title(bool $allWords = false): static { $str = clone $this; $limit = $allWords ? -1 : 1; $str->string = preg_replace_callback('/\b./u', static function (array $m): string { return mb_convert_case($m[0], \MB_CASE_TITLE, 'UTF-8'); }, $str->string, $limit); return $str; } public function trim(string $chars = " \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}"): static { if (" \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}" !== $chars && !preg_match('//u', $chars)) { throw new InvalidArgumentException('Invalid UTF-8 chars.'); } $chars = preg_quote($chars); $str = clone $this; $str->string = preg_replace("{^[$chars]++|[$chars]++$}uD", '', $str->string); return $str; } public function trimEnd(string $chars = " \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}"): static { if (" \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}" !== $chars && !preg_match('//u', $chars)) { throw new InvalidArgumentException('Invalid UTF-8 chars.'); } $chars = preg_quote($chars); $str = clone $this; $str->string = preg_replace("{[$chars]++$}uD", '', $str->string); return $str; } public function trimPrefix($prefix): static { if (!$this->ignoreCase) { return parent::trimPrefix($prefix); } $str = clone $this; if ($prefix instanceof \Traversable) { $prefix = iterator_to_array($prefix, false); } elseif ($prefix instanceof parent) { $prefix = $prefix->string; } $prefix = implode('|', array_map('preg_quote', (array) $prefix)); $str->string = preg_replace("{^(?:$prefix)}iuD", '', $this->string); return $str; } public function trimStart(string $chars = " \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}"): static { if (" \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}" !== $chars && !preg_match('//u', $chars)) { throw new InvalidArgumentException('Invalid UTF-8 chars.'); } $chars = preg_quote($chars); $str = clone $this; $str->string = preg_replace("{^[$chars]++}uD", '', $str->string); return $str; } public function trimSuffix($suffix): static { if (!$this->ignoreCase) { return parent::trimSuffix($suffix); } $str = clone $this; if ($suffix instanceof \Traversable) { $suffix = iterator_to_array($suffix, false); } elseif ($suffix instanceof parent) { $suffix = $suffix->string; } $suffix = implode('|', array_map('preg_quote', (array) $suffix)); $str->string = preg_replace("{(?:$suffix)$}iuD", '', $this->string); return $str; } public function upper(): static { $str = clone $this; $str->string = mb_strtoupper($str->string, 'UTF-8'); return $str; } public function width(bool $ignoreAnsiDecoration = true): int { $width = 0; $s = str_replace(["\x00", "\x05", "\x07"], '', $this->string); if (false !== strpos($s, "\r")) { $s = str_replace(["\r\n", "\r"], "\n", $s); } if (!$ignoreAnsiDecoration) { $s = preg_replace('/[\p{Cc}\x7F]++/u', '', $s); } foreach (explode("\n", $s) as $s) { if ($ignoreAnsiDecoration) { $s = preg_replace('/(?:\x1B(?: \[ [\x30-\x3F]*+ [\x20-\x2F]*+ [\x40-\x7E] | [P\]X^_] .*? \x1B\\\\ | [\x41-\x7E] )|[\p{Cc}\x7F]++)/xu', '', $s); } $lineWidth = $this->wcswidth($s); if ($lineWidth > $width) { $width = $lineWidth; } } return $width; } private function pad(int $len, self $pad, int $type): static { $sLen = $this->length(); if ($len <= $sLen) { return clone $this; } $padLen = $pad->length(); $freeLen = $len - $sLen; $len = $freeLen % $padLen; switch ($type) { case \STR_PAD_RIGHT: return $this->append(str_repeat($pad->string, intdiv($freeLen, $padLen)).($len ? $pad->slice(0, $len) : '')); case \STR_PAD_LEFT: return $this->prepend(str_repeat($pad->string, intdiv($freeLen, $padLen)).($len ? $pad->slice(0, $len) : '')); case \STR_PAD_BOTH: $freeLen /= 2; $rightLen = ceil($freeLen); $len = $rightLen % $padLen; $str = $this->append(str_repeat($pad->string, intdiv($rightLen, $padLen)).($len ? $pad->slice(0, $len) : '')); $leftLen = floor($freeLen); $len = $leftLen % $padLen; return $str->prepend(str_repeat($pad->string, intdiv($leftLen, $padLen)).($len ? $pad->slice(0, $len) : '')); default: throw new InvalidArgumentException('Invalid padding type.'); } } /** * Based on https://github.com/jquast/wcwidth, a Python implementation of https://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c. */ private function wcswidth(string $string): int { $width = 0; foreach (preg_split('//u', $string, -1, \PREG_SPLIT_NO_EMPTY) as $c) { $codePoint = mb_ord($c, 'UTF-8'); if (0 === $codePoint // NULL || 0x034F === $codePoint // COMBINING GRAPHEME JOINER || (0x200B <= $codePoint && 0x200F >= $codePoint) // ZERO WIDTH SPACE to RIGHT-TO-LEFT MARK || 0x2028 === $codePoint // LINE SEPARATOR || 0x2029 === $codePoint // PARAGRAPH SEPARATOR || (0x202A <= $codePoint && 0x202E >= $codePoint) // LEFT-TO-RIGHT EMBEDDING to RIGHT-TO-LEFT OVERRIDE || (0x2060 <= $codePoint && 0x2063 >= $codePoint) // WORD JOINER to INVISIBLE SEPARATOR ) { continue; } // Non printable characters if (32 > $codePoint // C0 control characters || (0x07F <= $codePoint && 0x0A0 > $codePoint) // C1 control characters and DEL ) { return -1; } if (null === self::$tableZero) { self::$tableZero = require __DIR__.'/Resources/data/wcswidth_table_zero.php'; } if ($codePoint >= self::$tableZero[0][0] && $codePoint <= self::$tableZero[$ubound = \count(self::$tableZero) - 1][1]) { $lbound = 0; while ($ubound >= $lbound) { $mid = floor(($lbound + $ubound) / 2); if ($codePoint > self::$tableZero[$mid][1]) { $lbound = $mid + 1; } elseif ($codePoint < self::$tableZero[$mid][0]) { $ubound = $mid - 1; } else { continue 2; } } } if (null === self::$tableWide) { self::$tableWide = require __DIR__.'/Resources/data/wcswidth_table_wide.php'; } if ($codePoint >= self::$tableWide[0][0] && $codePoint <= self::$tableWide[$ubound = \count(self::$tableWide) - 1][1]) { $lbound = 0; while ($ubound >= $lbound) { $mid = floor(($lbound + $ubound) / 2); if ($codePoint > self::$tableWide[$mid][1]) { $lbound = $mid + 1; } elseif ($codePoint < self::$tableWide[$mid][0]) { $ubound = $mid - 1; } else { $width += 2; continue 2; } } } ++$width; } return $width; } }

At NFC Pay, your privacy is of utmost importance to us. This Privacy Policy outlines how we collect, use, share, and protect your personal information when you use our services, including our website and mobile applications.
1. Information We Collect

Personal Information: We may collect personal information such as your name, email address, phone number, date of birth, and payment card details when you register for an account, make payments, or engage with our services.
Transaction Data: Information related to your transactions, including the amount, date, time, and merchant details.
Device Information: Data such as IP addresses, device type, operating system, and unique device identifiers.
Location Information: We may collect your geolocation data when you use our app for location-based services.
Usage Information: Information about how you interact with our services, including access times, pages viewed, and links clicked.

2. How We Use Your Information
We use the information we collect for the following purposes:

To Provide Services: To facilitate payments, manage your account, and deliver customer support.
To Improve Our Services: To enhance the performance and functionality of our app and website, and to develop new features.
To Communicate with You: To send you updates, security alerts, and support messages.
For Security and Fraud Prevention: To monitor, detect, and prevent fraud, unauthorized transactions, and other security issues.
To Comply with Legal Obligations: To fulfill our legal, regulatory, and compliance obligations.

3. Sharing Your Information
We may share your personal information in the following circumstances:

With Service Providers: We may share information with third-party service providers who perform services on our behalf, such as payment processing, data analysis, and customer support.
For Legal Reasons: We may disclose information to comply with applicable laws, regulations, legal processes, or governmental requests.
Business Transfers: In the event of a merger, acquisition, or sale of all or a portion of our assets, your information may be transferred as part of that business deal.

4. Security of Your Information
We take the security of your personal information seriously and implement a variety of security measures, including encryption, secure servers, and access controls, to protect your data from unauthorized access, disclosure, alteration, or destruction. However, no method of transmission over the internet or electronic storage is completely secure, and we cannot guarantee its absolute security.
5. Your Privacy Rights
Depending on your location, you may have certain rights regarding your personal information, such as:

Access and Correction: You may request access to or correction of your personal information.
Deletion: You can request that we delete your personal information, subject to certain exceptions.
Opt-Out: You may opt out of receiving promotional communications from us by following the instructions in those messages.

6. Third-Party Links
Our services may contain links to third-party websites or services. We are not responsible for the privacy practices or the content of these third-party sites. We encourage you to review the privacy policies of those third parties.
7. Children’s Privacy
Our services are not intended for individuals under the age of 13. We do not knowingly collect personal information from children under 13. If we become aware that we have collected personal information from a child under 13, we will take steps to delete that information.
8. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons. We will notify you of any significant changes by posting the new Privacy Policy on our website and updating the effective date.
9. Contact Us
If you have any questions or concerns about this Privacy Policy or our data practices, please contact us at:
Email: support@nfcpay.com

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