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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Filter;
use Laminas\Filter\FilterInterface;
/**
* Remove accents from string
*/
class RemoveAccents implements FilterInterface
{
/**
* @var bool
*/
protected $german;
/**
* @param bool $german
*/
public function __construct($german = false)
{
$this->german = $german;
}
/**
* Returns the result of filtering value
*
* @param string $string
* @return string
* @SuppressWarnings(PHPMD.ExcessiveMethodLength)
*/
public function filter($string)
{
static $replacements;
if (empty($replacements[$this->german])) {
$substitutions = [
// single ISO-8859-1 letters
192 => 'A',
193 => 'A',
194 => 'A',
195 => 'A',
196 => 'A',
197 => 'A',
199 => 'C',
208 => 'D',
200 => 'E',
201 => 'E',
202 => 'E',
203 => 'E',
204 => 'I',
205 => 'I',
206 => 'I',
207 => 'I',
209 => 'N',
210 => 'O',
211 => 'O',
212 => 'O',
213 => 'O',
214 => 'O',
216 => 'O',
138 => 'S',
217 => 'U',
218 => 'U',
219 => 'U',
220 => 'U',
221 => 'Y',
142 => 'Z',
224 => 'a',
225 => 'a',
226 => 'a',
227 => 'a',
228 => 'a',
229 => 'a',
231 => 'c',
232 => 'e',
233 => 'e',
234 => 'e',
235 => 'e',
236 => 'i',
237 => 'i',
238 => 'i',
239 => 'i',
241 => 'n',
240 => 'o',
242 => 'o',
243 => 'o',
244 => 'o',
245 => 'o',
246 => 'o',
248 => 'o',
154 => 's',
249 => 'u',
250 => 'u',
251 => 'u',
252 => 'u',
253 => 'y',
255 => 'y',
158 => 'z',
// HTML entities
258 => 'A',
260 => 'A',
262 => 'C',
268 => 'C',
270 => 'D',
272 => 'D',
280 => 'E',
282 => 'E',
286 => 'G',
304 => 'I',
313 => 'L',
317 => 'L',
321 => 'L',
323 => 'N',
327 => 'N',
336 => 'O',
340 => 'R',
344 => 'R',
346 => 'S',
350 => 'S',
354 => 'T',
356 => 'T',
366 => 'U',
368 => 'U',
377 => 'Z',
379 => 'Z',
259 => 'a',
261 => 'a',
263 => 'c',
269 => 'c',
271 => 'd',
273 => 'd',
281 => 'e',
283 => 'e',
287 => 'g',
305 => 'i',
322 => 'l',
314 => 'l',
318 => 'l',
324 => 'n',
328 => 'n',
337 => 'o',
341 => 'r',
345 => 'r',
347 => 's',
351 => 's',
357 => 't',
355 => 't',
367 => 'u',
369 => 'u',
378 => 'z',
380 => 'z',
// ligatures
198 => 'Ae',
230 => 'ae',
140 => 'Oe',
156 => 'oe',
223 => 'ss',
];
if ($this->german) {
// umlauts
$germanReplacements = [
196 => 'Ae',
228 => 'ae',
214 => 'Oe',
246 => 'oe',
220 => 'Ue',
252 => 'ue',
];
$substitutions = $germanReplacements + $substitutions;
}
$replacements[$this->german] = [];
foreach ($substitutions as $code => $value) {
$replacements[$this->german][$code < 256 ? chr($code) : '&#' . $code . ';'] = $value;
}
}
// convert string from default database format (UTF-8)
// to encoding which replacement arrays made with (ISO-8859-1)
$convertedString = @iconv('UTF-8', 'ISO-8859-1//IGNORE', $string);
if ($convertedString) {
$string = $convertedString;
}
// Replace
$string = $string !== null ? strtr($string, $replacements[$this->german]) : '';
return $string;
}
}