Файл: concrete5.7.5.6/concrete/vendor/patchwork/utf8/class/Patchwork/Utf8.php
Строк: 541
<?php // vi: set fenc=utf-8 ts=4 sw=4 et:
/*
* Copyright (C) 2013 Nicolas Grekas - p@tchwork.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the (at your option):
* Apache License v2.0 (http://apache.org/licenses/LICENSE-2.0.txt), or
* GNU General Public License v2.0 (http://gnu.org/licenses/gpl-2.0.txt).
*/
namespace Patchwork;
use Normalizer as n;
/**
* UTF-8 Grapheme Cluster aware string manipulations implementing the quasi complete
* set of native PHP string functions that need UTF-8 awareness and more.
* Missing are printf-family functions.
*/
class Utf8
{
protected static
$commonCaseFold = array(
array('µ','ſ',"xCDx85",'ς',"xCFx90","xCFx91","xCFx95","xCFx96","xCFxB0","xCFxB1","xCFxB5","xE1xBAx9B","xE1xBExBE"),
array('μ','s','ι', 'σ','β', 'θ', 'φ', 'π', 'κ', 'ρ', 'ε', "xE1xB9xA1",'ι' )
),
$cp1252 = array('','','','','
','','','','','','','','','','','','','','','','','','','','','',''),
$utf8 = array('€','‚','ƒ','„','…','†','‡','ˆ','‰','Š','‹','Œ','Ž','‘','’','“','”','•','–','—','˜','™','š','›','œ','ž','Ÿ');
static function isUtf8($s)
{
return (bool) preg_match('//u', $s); // Since PHP 5.2.5, this also excludes invalid five and six bytes sequences
}
// Generic UTF-8 to ASCII transliteration
static function toAscii($s, $subst_chr = '?')
{
if (preg_match("/[x80-xFF]/", $s))
{
static $translitExtra = array();
$translitExtra or $translitExtra = static::getData('translit_extra');
$s = n::normalize($s, n::NFKC);
/**/ $glibc = 'glibc' === ICONV_IMPL;
preg_match_all('/./u', $s, $s);
foreach ($s[0] as &$c)
{
if (! isset($c[1])) continue;
/**/ if ($glibc)
/**/ {
$t = iconv('UTF-8', 'ASCII//TRANSLIT', $c);
/**/ }
/**/ else
/**/ {
$t = iconv('UTF-8', 'ASCII//IGNORE//TRANSLIT', $c);
if (! isset($t[0])) $t = '?';
else if (isset($t[1])) $t = ltrim($t, ''`"^~');
/**/ }
if ('?' === $t)
{
if (isset($translitExtra[$c]))
{
$t = $translitExtra[$c];
}
else
{
$t = n::normalize($c, n::NFD);
if ($t[0] < "x80") $t = $t[0];
else $t = $subst_chr;
}
}
$c = $t;
}
$s = implode('', $s[0]);
}
return $s;
}
static function filter($var, $normalization_form = 4 /* n::NFC */, $leading_combining = '◌')
{
switch (gettype($var))
{
case 'array':
foreach ($var as $k => $v) $var[$k] = static::filter($v, $normalization_form, $leading_combining);
break;
case 'object':
foreach ($var as $k => $v) $var->$k = static::filter($v, $normalization_form, $leading_combining);
break;
case 'string':
if (false !== strpos($var, "r"))
{
// Workaround https://bugs.php.net/65732
$var = str_replace("rn", "n", $var);
$var = strtr($var, "r", "n");
}
if (preg_match('/[x80-xFF]/', $var))
{
if (n::isNormalized($var, $normalization_form)) $n = '-';
else
{
$n = n::normalize($var, $normalization_form);
if (isset($n[0])) $var = $n;
else $var = static::utf8_encode($var);
}
if ($var[0] >= "x80" && isset($n[0], $leading_combining[0]) && preg_match('/^p{Mn}/u', $var))
{
// Prevent leading combining chars
// for NFC-safe concatenations.
$var = $leading_combining . $var;
}
}
break;
}
return $var;
}
// Unicode transformation for caseless matching
// see http://unicode.org/reports/tr21/tr21-5.html
static function strtocasefold($s, $full = true)
{
$s = str_replace(self::$commonCaseFold[0], self::$commonCaseFold[1], $s);
if ($full)
{
static $fullCaseFold = false;
$fullCaseFold || $fullCaseFold = static::getData('caseFolding_full');
$s = str_replace($fullCaseFold[0], $fullCaseFold[1], $s);
}
return static::strtolower($s);
}
// Generic case sensitive collation support for self::strnatcmp()
static function strtonatfold($s)
{
$s = n::normalize($s, n::NFD);
return preg_replace('/p{Mn}+/u', '', $s);
}
// PHP string functions that need UTF-8 awareness
static function filter_input($type, $var, $filter = FILTER_DEFAULT, $option = null)
{
if (4 > func_num_args()) $var = filter_input($type, $var, $filter);
else $var = filter_input($type, $var, $filter, $option);
return static::filter($var);
}
static function filter_input_array($type, $def = null, $add_empty = true)
{
if (2 > func_num_args()) $a = filter_input_array($type);
else $a = filter_input_array($type, $def, $add_empty);
return static::filter($a);
}
static function json_decode($json, $assoc = false, $depth = 512, $options = 0)
{
/**/ if (PHP_VERSION_ID < 50400)
/**/ {
$json = json_decode($json, $assoc, $depth);
/**/ }
/**/ else
/**/ {
$json = json_decode($json, $assoc, $depth, $options);
/**/ }
return static::filter($json);
}
static function substr($s, $start, $len = 2147483647)
{
/**/ static $bug62759;
/**/ isset($bug62759) or $bug62759 = extension_loaded('intl') && 'à' === grapheme_substr('éà', 1, -2);
/**/ if ($bug62759)
/**/ {
return PHPShimIntl::grapheme_substr_workaround62759($s, $start, $len);
/**/ }
/**/ else
/**/ {
return grapheme_substr($s, $start, $len);
/**/ }
}
static function strlen($s) {return grapheme_strlen($s);}
static function strpos ($s, $needle, $offset = 0) {return grapheme_strpos ($s, $needle, $offset);}
static function strrpos($s, $needle, $offset = 0) {return grapheme_strrpos($s, $needle, $offset);}
static function stripos($s, $needle, $offset = 0)
{
/**/ if (50418 > PHP_VERSION_ID || 50500 == PHP_VERSION_ID)
/**/ {
// Don't use grapheme_stripos because of https://bugs.php.net/61860
if (! preg_match('//u', $s .= '')) return false;
if ($offset < 0) $offset = 0;
if (! $needle = mb_stripos($s, $needle .= '', $offset, 'UTF-8')) return $needle;
return grapheme_strlen(iconv_substr($s, 0, $needle, 'UTF-8'));
/**/ }
/**/ else
/**/ {
return grapheme_stripos($s, $needle, $offset);
/**/ }
}
static function strripos($s, $needle, $offset = 0)
{
/**/ if (50418 > PHP_VERSION_ID || 50500 == PHP_VERSION_ID)
/**/ {
// Don't use grapheme_strripos because of https://bugs.php.net/61860
if (! preg_match('//u', $s .= '')) return false;
if ($offset < 0) $offset = 0;
if (! $needle = mb_strripos($s, $needle .= '', $offset, 'UTF-8')) return $needle;
return grapheme_strlen(iconv_substr($s, 0, $needle, 'UTF-8'));
/**/ }
/**/ else
/**/ {
return grapheme_strripos($s, $needle, $offset);
/**/ }
}
static function stristr($s, $needle, $before_needle = false)
{
if ('' === $needle .= '') return false;
return mb_stristr($s, $needle, $before_needle, 'UTF-8');
}
static function strstr ($s, $needle, $before_needle = false) {return grapheme_strstr($s, $needle, $before_needle);}
static function strrchr ($s, $needle, $before_needle = false) {return mb_strrchr ($s, $needle, $before_needle, 'UTF-8');}
static function strrichr($s, $needle, $before_needle = false) {return mb_strrichr($s, $needle, $before_needle, 'UTF-8');}
static function strtolower($s) {return mb_strtolower($s, 'UTF-8');}
static function strtoupper($s) {return mb_strtoupper($s, 'UTF-8');}
static function wordwrap($s, $width = 75, $break = "n", $cut = false)
{
if (false === wordwrap('-', $width, $break, $cut)) return false;
is_string($break) or $break = (string) $break;
$w = '';
$s = explode($break, $s);
$iLen = count($s);
$chars = array();
if (1 === $iLen && '' === $s[0])
return '';
for ($i = 0; $i < $iLen; ++$i)
{
if ($i)
{
$chars[] = $break;
$w .= '#';
}
$c = $s[$i];
unset($s[$i]);
foreach (self::str_split($c) as $c)
{
$chars[] = $c;
$w .= ' ' === $c ? ' ' : '?';
}
}
$s = '';
$j = 0;
$b = $i = -1;
$w = wordwrap($w, $width, '#', $cut);
while (false !== $b = strpos($w, '#', $b+1))
{
for (++$i; $i < $b; ++$i)
{
$s .= $chars[$j];
unset($chars[$j++]);
}
if ($break === $chars[$j] || ' ' === $chars[$j]) unset($chars[$j++]);
$s .= $break;
}
return $s . implode('', $chars);
}
static function chr($c)
{
if (0x80 > $c %= 0x200000) return chr($c);
if (0x800 > $c) return chr(0xC0 | $c>>6) . chr(0x80 | $c & 0x3F);
if (0x10000 > $c) return chr(0xE0 | $c>>12) . chr(0x80 | $c>>6 & 0x3F) . chr(0x80 | $c & 0x3F);
return chr(0xF0 | $c>>18) . chr(0x80 | $c>>12 & 0x3F) . chr(0x80 | $c>>6 & 0x3F) . chr(0x80 | $c & 0x3F);
}
static function count_chars($s, $mode = 0)
{
if (1 != $mode) user_error(__METHOD__ . '(): the only allowed $mode is 1', E_USER_WARNING);
$s = self::str_split($s);
return array_count_values($s);
}
static function ltrim($s, $charlist = INF)
{
$charlist = INF === $charlist ? 's' : self::rxClass($charlist);
return preg_replace("/^{$charlist}+/u", '', $s);
}
static function ord($s)
{
$a = ($s = unpack('C*', substr($s, 0, 4))) ? $s[1] : 0;
if (0xF0 <= $a) return (($a - 0xF0)<<18) + (($s[2] - 0x80)<<12) + (($s[3] - 0x80)<<6) + $s[4] - 0x80;
if (0xE0 <= $a) return (($a - 0xE0)<<12) + (($s[2] - 0x80)<<6) + $s[3] - 0x80;
if (0xC0 <= $a) return (($a - 0xC0)<<6) + $s[2] - 0x80;
return $a;
}
static function rtrim($s, $charlist = INF)
{
$charlist = INF === $charlist ? 's' : self::rxClass($charlist);
return preg_replace("/{$charlist}+$/u", '', $s);
}
static function trim($s, $charlist = INF) {return self::rtrim(self::ltrim($s, $charlist), $charlist);}
static function str_ireplace($search, $replace, $subject, &$count = null)
{
$search = (array) $search;
foreach ($search as $i => $s)
{
if ('' === $s .= '') $s = '/^(?<=.)$/';
else $s = '/' . preg_quote($s, '/') . '/ui';
$search[$i] = $s;
}
$subject = preg_replace($search, $replace, $subject, -1, $replace);
$count = $replace;
return $subject;
}
static function str_pad($s, $len, $pad = ' ', $type = STR_PAD_RIGHT)
{
$slen = grapheme_strlen($s);
if ($len <= $slen) return $s;
$padlen = grapheme_strlen($pad);
$freelen = $len - $slen;
$len = $freelen % $padlen;
if (STR_PAD_RIGHT == $type) return $s . str_repeat($pad, $freelen / $padlen) . ($len ? grapheme_substr($pad, 0, $len) : '');
if (STR_PAD_LEFT == $type) return str_repeat($pad, $freelen / $padlen) . ($len ? grapheme_substr($pad, 0, $len) : '') . $s;
if (STR_PAD_BOTH == $type)
{
$freelen /= 2;
$type = ceil($freelen);
$len = $type % $padlen;
$s .= str_repeat($pad, $type / $padlen) . ($len ? grapheme_substr($pad, 0, $len) : '');
$type = floor($freelen);
$len = $type % $padlen;
return str_repeat($pad, $type / $padlen) . ($len ? grapheme_substr($pad, 0, $len) : '') . $s;
}
user_error(__METHOD__ . '(): Padding type has to be STR_PAD_LEFT, STR_PAD_RIGHT, or STR_PAD_BOTH', E_USER_WARNING);
}
static function str_shuffle($s)
{
$s = self::str_split($s);
shuffle($s);
return implode('', $s);
}
static function str_split($s, $len = 1)
{
if (1 > $len = (int) $len)
{
$len = func_get_arg(1);
return str_split($s, $len);
}
/**/ if (extension_loaded('intl'))
/**/ {
$a = array();
$p = 0;
$l = strlen($s);
while ($p < $l) $a[] = grapheme_extract($s, 1, GRAPHEME_EXTR_COUNT, $p, $p);
/**/ }
/**/ else
/**/ {
preg_match_all('/' . GRAPHEME_CLUSTER_RX . '/u', $s, $a);
$a = $a[0];
/**/ }
if (1 == $len) return $a;
$s = array();
$p = -1;
foreach ($a as $l => $a)
{
if ($l % $len) $s[$p] .= $a;
else $s[++$p] = $a;
}
return $s;
}
static function str_word_count($s, $format = 0, $charlist = '')
{
$charlist = self::rxClass($charlist, 'pL');
$s = preg_split("/({$charlist}+(?:[p{Pd}’']{$charlist}+)*)/u", $s, -1, PREG_SPLIT_DELIM_CAPTURE);
$charlist = array();
$len = count($s);
if (1 == $format) for ($i = 1; $i < $len; $i+=2) $charlist[] = $s[$i];
else if (2 == $format)
{
$offset = grapheme_strlen($s[0]);
for ($i = 1; $i < $len; $i+=2)
{
$charlist[$offset] = $s[$i];
$offset += grapheme_strlen($s[$i]) + grapheme_strlen($s[$i+1]);
}
}
else $charlist = ($len - 1) / 2;
return $charlist;
}
static function strcmp ($a, $b) {return $a . '' === $b . '' ? 0 : strcmp(n::normalize($a, n::NFD), n::normalize($b, n::NFD));}
static function strnatcmp ($a, $b) {return $a . '' === $b . '' ? 0 : strnatcmp(self::strtonatfold($a), self::strtonatfold($b));}
static function strcasecmp ($a, $b) {return self::strcmp (static::strtocasefold($a), static::strtocasefold($b));}
static function strnatcasecmp($a, $b) {return self::strnatcmp(static::strtocasefold($a), static::strtocasefold($b));}
static function strncasecmp ($a, $b, $len) {return self::strncmp(static::strtocasefold($a), static::strtocasefold($b), $len);}
static function strncmp ($a, $b, $len) {return self::strcmp(self::substr($a, 0, $len), self::substr($b, 0, $len));}
static function strcspn($s, $charlist, $start = 0, $len = 2147483647)
{
if ('' === $charlist .= '') return null;
if ($start || 2147483647 != $len) $s = self::substr($s, $start, $len);
return preg_match('/^(.*?)' . self::rxClass($charlist) . '/us', $s, $len) ? grapheme_strlen($len[1]) : grapheme_strlen($s);
}
static function strpbrk($s, $charlist)
{
if (preg_match('/' . self::rxClass($charlist) . '/us', $s, $m)) return substr($s, strpos($s, $m[0]));
else return false;
}
static function strrev($s)
{
$s = self::str_split($s);
return implode('', array_reverse($s));
}
static function strspn($s, $mask, $start = 0, $len = 2147483647)
{
if ($start || 2147483647 != $len) $s = self::substr($s, $start, $len);
return preg_match('/^' . self::rxClass($mask) . '+/u', $s, $s) ? grapheme_strlen($s[0]) : 0;
}
static function strtr($s, $from, $to = INF)
{
if (INF !== $to)
{
$from = self::str_split($from);
$to = self::str_split($to);
$a = count($from);
$b = count($to);
if ($a > $b) $from = array_slice($from, 0, $b);
else if ($a < $b) $to = array_slice($to , 0, $a);
$from = array_combine($from, $to);
}
return strtr($s, $from);
}
static function substr_compare($a, $b, $offset, $len = 2147483647, $i = 0)
{
$a = self::substr($a, $offset, $len);
return $i ? static::strcasecmp($a, $b) : self::strcmp($a, $b);
}
static function substr_count($s, $needle, $offset = 0, $len = 2147483647)
{
return substr_count(self::substr($s, $offset, $len), $needle);
}
static function substr_replace($s, $replace, $start, $len = 2147483647)
{
$s = self::str_split($s);
$replace = self::str_split($replace);
array_splice($s, $start, $len, $replace);
return implode('', $s);
}
static function ucfirst($s)
{
$c = iconv_substr($s, 0, 1, 'UTF-8');
return static::ucwords($c) . substr($s, strlen($c));
}
static function lcfirst($s)
{
$c = iconv_substr($s, 0, 1, 'UTF-8');
return static::strtolower($c) . substr($s, strlen($c));
}
static function ucwords($s)
{
return preg_replace_callback(
"/b(.)/u",
function ($matches) {
return mb_convert_case($matches[1], MB_CASE_TITLE, 'UTF-8');
},
$s
);
}
static function number_format($number, $decimals = 0, $dec_point = '.', $thousands_sep = ',')
{
/**/ if (PHP_VERSION_ID < 50400)
/**/ {
if (isset($thousands_sep[1]) || isset($dec_point[1]))
{
return str_replace(
array('.', ','),
array($dec_point, $thousands_sep),
number_format($number, $decimals, '.', ',')
);
}
/**/ }
return number_format($number, $decimals, $dec_point, $thousands_sep);
}
static function utf8_encode($s)
{
$s = utf8_encode($s);
if (false === strpos($s, "xC2")) return $s;
else return str_replace(self::$cp1252, self::$utf8, $s);
}
static function utf8_decode($s)
{
$s = str_replace(self::$utf8, self::$cp1252, $s);
return utf8_decode($s);
}
protected static function rxClass($s, $class = '')
{
$class = array($class);
foreach (self::str_split($s) as $s)
{
if ('-' === $s) $class[0] = '-' . $class[0];
else if (!isset($s[2])) $class[0] .= preg_quote($s, '/');
else if (1 === iconv_strlen($s, 'UTF-8')) $class[0] .= $s;
else $class[] = $s;
}
$class[0] = '[' . $class[0] . ']';
if (1 === count($class)) return $class[0];
else return '(?:' . implode('|', $class) . ')';
}
protected static function getData($file)
{
$file = __DIR__ . '/Utf8/data/' . $file . '.ser';
if (file_exists($file)) return unserialize(file_get_contents($file));
else return false;
}
}