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Developer Documentation
- Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
- Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
- PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.
/lib/tests/ -> text_test.php (source)
Differences Between: [Versions 311 and 400] [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403]
1 <?php 2 // This file is part of Moodle - http://moodle.org/ 3 // 4 // Moodle is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // Moodle is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17 /** 18 * core_text unit tests. 19 * 20 * @package core 21 * @category phpunit 22 * @copyright 2012 Petr Skoda {@link http://skodak.org} 23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 24 */ 25 26 defined('MOODLE_INTERNAL') || die(); 27 28 29 /** 30 * Unit tests for our utf-8 aware text processing. 31 * 32 * @package core 33 * @category phpunit 34 * @copyright 2010 Petr Skoda (http://skodak.org) 35 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 36 */ 37 class core_text_testcase extends advanced_testcase { 38 39 /** 40 * Tests the static parse charset method. 41 */ 42 public function test_parse_charset() { 43 $this->assertSame('windows-1250', core_text::parse_charset('Cp1250')); 44 // Does typo3 work? Some encoding moodle does not use. 45 $this->assertSame('windows-1252', core_text::parse_charset('ms-ansi')); 46 } 47 48 /** 49 * Tests the static convert method. 50 */ 51 public function test_convert() { 52 $utf8 = "Žluťoučký koníček"; 53 $iso2 = pack("H*", "ae6c75bb6f75e86bfd206b6f6eede8656b"); 54 $win = pack("H*", "8e6c759d6f75e86bfd206b6f6eede8656b"); 55 $this->assertSame($iso2, core_text::convert($utf8, 'utf-8', 'iso-8859-2')); 56 $this->assertSame($utf8, core_text::convert($iso2, 'iso-8859-2', 'utf-8')); 57 $this->assertSame($win, core_text::convert($utf8, 'utf-8', 'win-1250')); 58 $this->assertSame($utf8, core_text::convert($win, 'win-1250', 'utf-8')); 59 $this->assertSame($iso2, core_text::convert($win, 'win-1250', 'iso-8859-2')); 60 $this->assertSame($win, core_text::convert($iso2, 'iso-8859-2', 'win-1250')); 61 $this->assertSame($iso2, core_text::convert($iso2, 'iso-8859-2', 'iso-8859-2')); 62 $this->assertSame($win, core_text::convert($win, 'win-1250', 'cp1250')); 63 $this->assertSame($utf8, core_text::convert($utf8, 'utf-8', 'utf-8')); 64 65 $utf8 = '言語設定'; 66 $str = pack("H*", "b8c0b8ecc0dfc4ea"); // EUC-JP 67 $this->assertSame($str, core_text::convert($utf8, 'utf-8', 'EUC-JP')); 68 $this->assertSame($utf8, core_text::convert($str, 'EUC-JP', 'utf-8')); 69 $this->assertSame($utf8, core_text::convert($utf8, 'utf-8', 'utf-8')); 70 71 $str = pack("H*", "1b24423840386c405f446a1b2842"); // ISO-2022-JP 72 $this->assertSame($str, core_text::convert($utf8, 'utf-8', 'ISO-2022-JP')); 73 $this->assertSame($utf8, core_text::convert($str, 'ISO-2022-JP', 'utf-8')); 74 $this->assertSame($utf8, core_text::convert($utf8, 'utf-8', 'utf-8')); 75 76 $str = pack("H*", "8cbe8cea90dd92e8"); // SHIFT-JIS 77 $this->assertSame($str, core_text::convert($utf8, 'utf-8', 'SHIFT-JIS')); 78 $this->assertSame($utf8, core_text::convert($str, 'SHIFT-JIS', 'utf-8')); 79 $this->assertSame($utf8, core_text::convert($utf8, 'utf-8', 'utf-8')); 80 81 $utf8 = '简体中文'; 82 $str = pack("H*", "bcf2cce5d6d0cec4"); // GB2312 83 $this->assertSame($str, core_text::convert($utf8, 'utf-8', 'GB2312')); 84 $this->assertSame($utf8, core_text::convert($str, 'GB2312', 'utf-8')); 85 $this->assertSame($utf8, core_text::convert($utf8, 'utf-8', 'utf-8')); 86 87 $str = pack("H*", "bcf2cce5d6d0cec4"); // GB18030 88 $this->assertSame($str, core_text::convert($utf8, 'utf-8', 'GB18030')); 89 $this->assertSame($utf8, core_text::convert($str, 'GB18030', 'utf-8')); 90 $this->assertSame($utf8, core_text::convert($utf8, 'utf-8', 'utf-8')); 91 92 $utf8 = "Žluťoučký koníček"; 93 $this->assertSame('Zlutoucky konicek', core_text::convert($utf8, 'utf-8', 'ascii')); 94 $this->assertSame($utf8, core_text::convert($utf8.chr(130), 'utf-8', 'utf-8')); 95 $utf8 = "Der eine stößt den Speer zum Mann"; 96 $this->assertSame('Der eine stoesst den Speer zum Mann', core_text::convert($utf8, 'utf-8', 'ascii')); 97 $iso1 = core_text::convert($utf8, 'utf-8', 'iso-8859-1'); 98 $this->assertSame('Der eine stoesst den Speer zum Mann', core_text::convert($iso1, 'iso-8859-1', 'ascii')); 99 } 100 101 /** 102 * Tests the static sub string method. 103 */ 104 public function test_substr() { 105 $str = "Žluťoučký koníček"; 106 $this->assertSame($str, core_text::substr($str, 0)); 107 $this->assertSame('luťoučký koníček', core_text::substr($str, 1)); 108 $this->assertSame('luť', core_text::substr($str, 1, 3)); 109 $this->assertSame($str, core_text::substr($str, 0, 100)); 110 $this->assertSame('če', core_text::substr($str, -3, 2)); 111 112 $iso2 = pack("H*", "ae6c75bb6f75e86bfd206b6f6eede8656b"); 113 $this->assertSame(core_text::convert('luť', 'utf-8', 'iso-8859-2'), core_text::substr($iso2, 1, 3, 'iso-8859-2')); 114 $this->assertSame(core_text::convert($str, 'utf-8', 'iso-8859-2'), core_text::substr($iso2, 0, 100, 'iso-8859-2')); 115 $this->assertSame(core_text::convert('če', 'utf-8', 'iso-8859-2'), core_text::substr($iso2, -3, 2, 'iso-8859-2')); 116 117 $win = pack("H*", "8e6c759d6f75e86bfd206b6f6eede8656b"); 118 $this->assertSame(core_text::convert('luť', 'utf-8', 'cp1250'), core_text::substr($win, 1, 3, 'cp1250')); 119 $this->assertSame(core_text::convert($str, 'utf-8', 'cp1250'), core_text::substr($win, 0, 100, 'cp1250')); 120 $this->assertSame(core_text::convert('če', 'utf-8', 'cp1250'), core_text::substr($win, -3, 2, 'cp1250')); 121 122 $str = pack("H*", "b8c0b8ecc0dfc4ea"); // EUC-JP 123 $s = pack("H*", "b8ec"); // EUC-JP 124 $this->assertSame($s, core_text::substr($str, 1, 1, 'EUC-JP')); 125 126 $str = pack("H*", "1b24423840386c405f446a1b2842"); // ISO-2022-JP 127 $s = pack("H*", "1b2442386c1b2842"); // ISO-2022-JP 128 $this->assertSame($s, core_text::substr($str, 1, 1, 'ISO-2022-JP')); 129 130 $str = pack("H*", "8cbe8cea90dd92e8"); // SHIFT-JIS 131 $s = pack("H*", "8cea"); // SHIFT-JIS 132 $this->assertSame($s, core_text::substr($str, 1, 1, 'SHIFT-JIS')); 133 134 $str = pack("H*", "bcf2cce5d6d0cec4"); // GB2312 135 $s = pack("H*", "cce5"); // GB2312 136 $this->assertSame($s, core_text::substr($str, 1, 1, 'GB2312')); 137 138 $str = pack("H*", "bcf2cce5d6d0cec4"); // GB18030 139 $s = pack("H*", "cce5"); // GB18030 140 $this->assertSame($s, core_text::substr($str, 1, 1, 'GB18030')); 141 } 142 143 /** 144 * Tests the static string length method. 145 */ 146 public function test_strlen() { 147 $str = "Žluťoučký koníček"; 148 $this->assertSame(17, core_text::strlen($str)); 149 150 $iso2 = pack("H*", "ae6c75bb6f75e86bfd206b6f6eede8656b"); 151 $this->assertSame(17, core_text::strlen($iso2, 'iso-8859-2')); 152 153 $win = pack("H*", "8e6c759d6f75e86bfd206b6f6eede8656b"); 154 $this->assertSame(17, core_text::strlen($win, 'cp1250')); 155 156 $str = pack("H*", "b8ec"); // EUC-JP 157 $this->assertSame(1, core_text::strlen($str, 'EUC-JP')); 158 $str = pack("H*", "b8c0b8ecc0dfc4ea"); // EUC-JP 159 $this->assertSame(4, core_text::strlen($str, 'EUC-JP')); 160 161 $str = pack("H*", "1b2442386c1b2842"); // ISO-2022-JP 162 $this->assertSame(1, core_text::strlen($str, 'ISO-2022-JP')); 163 $str = pack("H*", "1b24423840386c405f446a1b2842"); // ISO-2022-JP 164 $this->assertSame(4, core_text::strlen($str, 'ISO-2022-JP')); 165 166 $str = pack("H*", "8cea"); // SHIFT-JIS 167 $this->assertSame(1, core_text::strlen($str, 'SHIFT-JIS')); 168 $str = pack("H*", "8cbe8cea90dd92e8"); // SHIFT-JIS 169 $this->assertSame(4, core_text::strlen($str, 'SHIFT-JIS')); 170 171 $str = pack("H*", "cce5"); // GB2312 172 $this->assertSame(1, core_text::strlen($str, 'GB2312')); 173 $str = pack("H*", "bcf2cce5d6d0cec4"); // GB2312 174 $this->assertSame(4, core_text::strlen($str, 'GB2312')); 175 176 $str = pack("H*", "cce5"); // GB18030 177 $this->assertSame(1, core_text::strlen($str, 'GB18030')); 178 $str = pack("H*", "bcf2cce5d6d0cec4"); // GB18030 179 $this->assertSame(4, core_text::strlen($str, 'GB18030')); 180 } 181 182 /** 183 * Test unicode safe string truncation. 184 */ 185 public function test_str_max_bytes() { 186 // These are all 3 byte characters, so this is a 12-byte string. 187 $str = '言語設定'; 188 189 $this->assertEquals(12, strlen($str)); 190 191 // Step back, shortening the string 1 byte at a time. Should remove in 1 char chunks. 192 $conv = core_text::str_max_bytes($str, 12); 193 $this->assertEquals(12, strlen($conv)); 194 $this->assertSame('言語設定', $conv); 195 $conv = core_text::str_max_bytes($str, 11); 196 $this->assertEquals(9, strlen($conv)); 197 $this->assertSame('言語設', $conv); 198 $conv = core_text::str_max_bytes($str, 10); 199 $this->assertEquals(9, strlen($conv)); 200 $this->assertSame('言語設', $conv); 201 $conv = core_text::str_max_bytes($str, 9); 202 $this->assertEquals(9, strlen($conv)); 203 $this->assertSame('言語設', $conv); 204 $conv = core_text::str_max_bytes($str, 8); 205 $this->assertEquals(6, strlen($conv)); 206 $this->assertSame('言語', $conv); 207 208 // Now try a mixed byte string. 209 $str = '言語設a定'; 210 211 $this->assertEquals(13, strlen($str)); 212 213 $conv = core_text::str_max_bytes($str, 11); 214 $this->assertEquals(10, strlen($conv)); 215 $this->assertSame('言語設a', $conv); 216 $conv = core_text::str_max_bytes($str, 10); 217 $this->assertEquals(10, strlen($conv)); 218 $this->assertSame('言語設a', $conv); 219 $conv = core_text::str_max_bytes($str, 9); 220 $this->assertEquals(9, strlen($conv)); 221 $this->assertSame('言語設', $conv); 222 $conv = core_text::str_max_bytes($str, 8); 223 $this->assertEquals(6, strlen($conv)); 224 $this->assertSame('言語', $conv); 225 226 // Test 0 byte case. 227 $conv = core_text::str_max_bytes($str, 0); 228 $this->assertEquals(0, strlen($conv)); 229 $this->assertSame('', $conv); 230 } 231 232 /** 233 * Tests the static strtolower method. 234 */ 235 public function test_strtolower() { 236 $str = "Žluťoučký koníček"; 237 $low = 'žluťoučký koníček'; 238 $this->assertSame($low, core_text::strtolower($str)); 239 240 $iso2 = pack("H*", "ae6c75bb6f75e86bfd206b6f6eede8656b"); 241 $this->assertSame(core_text::convert($low, 'utf-8', 'iso-8859-2'), core_text::strtolower($iso2, 'iso-8859-2')); 242 243 $win = pack("H*", "8e6c759d6f75e86bfd206b6f6eede8656b"); 244 $this->assertSame(core_text::convert($low, 'utf-8', 'cp1250'), core_text::strtolower($win, 'cp1250')); 245 246 $str = '言語設定'; 247 $this->assertSame($str, core_text::strtolower($str)); 248 249 $str = '简体中文'; 250 $this->assertSame($str, core_text::strtolower($str)); 251 252 $str = pack("H*", "1b24423840386c405f446a1b2842"); // ISO-2022-JP 253 $this->assertSame($str, core_text::strtolower($str, 'ISO-2022-JP')); 254 255 $str = pack("H*", "8cbe8cea90dd92e8"); // SHIFT-JIS 256 $this->assertSame($str, core_text::strtolower($str, 'SHIFT-JIS')); 257 258 $str = pack("H*", "bcf2cce5d6d0cec4"); // GB2312 259 $this->assertSame($str, core_text::strtolower($str, 'GB2312')); 260 261 $str = pack("H*", "bcf2cce5d6d0cec4"); // GB18030 262 $this->assertSame($str, core_text::strtolower($str, 'GB18030')); 263 264 // Typo3 has problems with integers. 265 $str = 1309528800; 266 $this->assertSame((string)$str, core_text::strtolower($str)); 267 } 268 269 /** 270 * Tests the static strtoupper. 271 */ 272 public function test_strtoupper() { 273 $str = "Žluťoučký koníček"; 274 $up = 'ŽLUŤOUČKÝ KONÍČEK'; 275 $this->assertSame($up, core_text::strtoupper($str)); 276 277 $iso2 = pack("H*", "ae6c75bb6f75e86bfd206b6f6eede8656b"); 278 $this->assertSame(core_text::convert($up, 'utf-8', 'iso-8859-2'), core_text::strtoupper($iso2, 'iso-8859-2')); 279 280 $win = pack("H*", "8e6c759d6f75e86bfd206b6f6eede8656b"); 281 $this->assertSame(core_text::convert($up, 'utf-8', 'cp1250'), core_text::strtoupper($win, 'cp1250')); 282 283 $str = '言語設定'; 284 $this->assertSame($str, core_text::strtoupper($str)); 285 286 $str = '简体中文'; 287 $this->assertSame($str, core_text::strtoupper($str)); 288 289 $str = pack("H*", "1b24423840386c405f446a1b2842"); // ISO-2022-JP 290 $this->assertSame($str, core_text::strtoupper($str, 'ISO-2022-JP')); 291 292 $str = pack("H*", "8cbe8cea90dd92e8"); // SHIFT-JIS 293 $this->assertSame($str, core_text::strtoupper($str, 'SHIFT-JIS')); 294 295 $str = pack("H*", "bcf2cce5d6d0cec4"); // GB2312 296 $this->assertSame($str, core_text::strtoupper($str, 'GB2312')); 297 298 $str = pack("H*", "bcf2cce5d6d0cec4"); // GB18030 299 $this->assertSame($str, core_text::strtoupper($str, 'GB18030')); 300 } 301 302 /** 303 * Test the strrev method. 304 */ 305 public function test_strrev() { 306 $strings = array( 307 "Žluťoučký koníček" => "kečínok ýkčuoťulŽ", 308 'ŽLUŤOUČKÝ KONÍČEK' => "KEČÍNOK ÝKČUOŤULŽ", 309 '言語設定' => '定設語言', 310 '简体中文' => '文中体简', 311 "Der eine stößt den Speer zum Mann" => "nnaM muz reepS ned tßöts enie reD" 312 ); 313 foreach ($strings as $before => $after) { 314 // Make sure we can reverse it both ways and that it comes out the same. 315 $this->assertSame($after, core_text::strrev($before)); 316 $this->assertSame($before, core_text::strrev($after)); 317 // Reverse it twice to be doubly sure. 318 $this->assertSame($after, core_text::strrev(core_text::strrev($after))); 319 } 320 } 321 322 /** 323 * Tests the static strpos method. 324 */ 325 public function test_strpos() { 326 $str = "Žluťoučký koníček"; 327 $this->assertSame(10, core_text::strpos($str, 'koníč')); 328 } 329 330 /** 331 * Tests the static strrpos. 332 */ 333 public function test_strrpos() { 334 $str = "Žluťoučký koníček"; 335 $this->assertSame(11, core_text::strrpos($str, 'o')); 336 } 337 338 /** 339 * Tests the static specialtoascii method. 340 */ 341 public function test_specialtoascii() { 342 $str = "Žluťoučký koníček"; 343 $this->assertSame('Zlutoucky konicek', core_text::specialtoascii($str)); 344 } 345 346 /** 347 * Tests the static encode_mimeheader method. 348 * This also tests method moodle_phpmailer::encodeHeader that calls core_text::encode_mimeheader 349 */ 350 public function test_encode_mimeheader() { 351 global $CFG; 352 require_once($CFG->libdir.'/phpmailer/moodle_phpmailer.php'); 353 $mailer = new moodle_phpmailer(); 354 355 // Encode short string with non-latin characters. 356 $str = "Žluťoučký koníček"; 357 $encodedstr = '=?utf-8?B?xb1sdcWlb3XEjWvDvSBrb27DrcSNZWs=?='; 358 $this->assertSame($encodedstr, core_text::encode_mimeheader($str)); 359 $this->assertSame($encodedstr, $mailer->encodeHeader($str)); 360 $this->assertSame('"' . $encodedstr . '"', $mailer->encodeHeader($str, 'phrase')); 361 362 // Encode short string without non-latin characters. Make sure the quotes are escaped in quoted email headers. 363 $latinstr = 'text"with quotes'; 364 $this->assertSame($latinstr, core_text::encode_mimeheader($latinstr)); 365 $this->assertSame($latinstr, $mailer->encodeHeader($latinstr)); 366 $this->assertSame('"text\\"with quotes"', $mailer->encodeHeader($latinstr, 'phrase')); 367 368 // Encode long string without non-latin characters. 369 $longlatinstr = 'This is a very long text that still should not be split into several lines in the email headers because '. 370 'it does not have any non-latin characters. The "quotes" and \\backslashes should be escaped only if it\'s a part of email address'; 371 $this->assertSame($longlatinstr, core_text::encode_mimeheader($longlatinstr)); 372 $this->assertSame($longlatinstr, $mailer->encodeHeader($longlatinstr)); 373 $longlatinstrwithslash = preg_replace(['/\\\\/', "/\"/"], ['\\\\\\', '\\"'], $longlatinstr); 374 $this->assertSame('"' . $longlatinstrwithslash . '"', $mailer->encodeHeader($longlatinstr, 'phrase')); 375 376 // Encode long string with non-latin characters. 377 $longstr = "Неопознанная ошибка в файле C:\\tmp\\: \"Не пользуйтесь виндоуз\""; 378 $encodedlongstr = "=?utf-8?B?0J3QtdC+0L/QvtC30L3QsNC90L3QsNGPINC+0YjQuNCx0LrQsCDQsiDRhNCw?= 379 =?utf-8?B?0LnQu9C1IEM6XHRtcFw6ICLQndC1INC/0L7Qu9GM0LfRg9C50YLQtdGB?= 380 =?utf-8?B?0Ywg0LLQuNC90LTQvtGD0Lci?="; 381 $this->assertSame($encodedlongstr, $mailer->encodeHeader($longstr)); 382 $this->assertSame('"' . $encodedlongstr . '"', $mailer->encodeHeader($longstr, 'phrase')); 383 } 384 385 /** 386 * Tests the static entities_to_utf8 method. 387 */ 388 public function test_entities_to_utf8() { 389 $str = "Žluťoučký koníček©"&<>§«"; 390 $this->assertSame("Žluťoučký koníček©\"&<>§«", core_text::entities_to_utf8($str)); 391 } 392 393 /** 394 * Tests the static utf8_to_entities method. 395 */ 396 public function test_utf8_to_entities() { 397 $str = "Žluťoučký koníček©"&<>§«"; 398 $this->assertSame("Žluťoučký koníček©"&<>§«", core_text::utf8_to_entities($str)); 399 $this->assertSame("Žluťoučký koníček©"&<>§«", core_text::utf8_to_entities($str, true)); 400 401 $str = "Žluťoučký koníček©"&<>§«"; 402 $this->assertSame("Žluťoučký koníček©\"&<>§«", core_text::utf8_to_entities($str, false, true)); 403 $this->assertSame("Žluťoučký koníček©\"&<>§«", core_text::utf8_to_entities($str, true, true)); 404 } 405 406 /** 407 * Tests the static trim_utf8_bom method. 408 */ 409 public function test_trim_utf8_bom() { 410 $bom = "\xef\xbb\xbf"; 411 $str = "Žluťoučký koníček"; 412 $this->assertSame($str.$bom, core_text::trim_utf8_bom($bom.$str.$bom)); 413 } 414 415 /** 416 * Tests the static remove_unicode_non_characters method. 417 */ 418 public function test_remove_unicode_non_characters() { 419 // Confirm that texts which don't contain these characters are unchanged. 420 $this->assertSame('Frogs!', core_text::remove_unicode_non_characters('Frogs!')); 421 422 // Even if they contain some very scary characters. 423 $example = html_entity_decode('A�𝅘𝅥B'); 424 $this->assertSame($example, core_text::remove_unicode_non_characters($example)); 425 426 // Non-characters are removed wherever they may be, with other characters left. 427 $example = html_entity_decode('ABCD�E'); 428 $expected = html_entity_decode('ABCD�E'); 429 $this->assertSame($expected, core_text::remove_unicode_non_characters($example)); 430 431 // If you only have a non-character, you get empty string. 432 $example = html_entity_decode(''); 433 $this->assertSame('', core_text::remove_unicode_non_characters($example)); 434 } 435 436 /** 437 * Tests the static get_encodings method. 438 */ 439 public function test_get_encodings() { 440 $encodings = core_text::get_encodings(); 441 $this->assertTrue(is_array($encodings)); 442 $this->assertTrue(count($encodings) > 1); 443 $this->assertTrue(isset($encodings['UTF-8'])); 444 } 445 446 /** 447 * Tests the static code2utf8 method. 448 */ 449 public function test_code2utf8() { 450 $this->assertSame('Ž', core_text::code2utf8(381)); 451 } 452 453 /** 454 * Tests the static utf8ord method. 455 */ 456 public function test_utf8ord() { 457 $this->assertSame(ord(''), core_text::utf8ord('')); 458 $this->assertSame(ord('f'), core_text::utf8ord('f')); 459 $this->assertSame(0x03B1, core_text::utf8ord('α')); 460 $this->assertSame(0x0439, core_text::utf8ord('й')); 461 $this->assertSame(0x2FA1F, core_text::utf8ord('')); 462 $this->assertSame(381, core_text::utf8ord('Ž')); 463 } 464 465 /** 466 * Tests the static strtotitle method. 467 */ 468 public function test_strtotitle() { 469 $str = "žluťoučký koníček"; 470 $this->assertSame("Žluťoučký Koníček", core_text::strtotitle($str)); 471 } 472 473 /** 474 * Test strrchr. 475 */ 476 public function test_strrchr() { 477 $str = "Žluťoučký koníček"; 478 $this->assertSame('koníček', core_text::strrchr($str, 'koní')); 479 $this->assertSame('Žluťoučký ', core_text::strrchr($str, 'koní', true)); 480 $this->assertFalse(core_text::strrchr($str, 'A')); 481 $this->assertFalse(core_text::strrchr($str, 'ç', true)); 482 } 483 } 484
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