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  1. <?php
  2. mb_internal_encoding("utf-8");
  3. $regexp = "/^(\\+7|8)[0-9]{10}$/ui";
  4. $allNumbers = [
  5.         $correctNumbers = [    '84951234567',  '+74951234567', '8-495-1-234-567',
  6.     ' 8 (8122) 56-56-56', '8-911-1234567', '8 (911) 12 345 67',
  7.     '8-911 12 345 67', '8 (911) - 123 - 45 - 67', '+ 7 999 123 4567',
  8.     '8 ( 999 ) 1234567', '8 999 123 4567' ],
  9.         $incorrectNumbers = [   '02', '84951234567 позвать люсю', '849512345', '849512345678',
  10.             '8 (409) 123-123-123', '7900123467', '5005005001', '8888-8888-88',
  11.             '84951a234567', '8495123456a',
  12.             '+1 234 5678901', /* неверный код страны */
  13.             '+8 234 5678901', /* либо 8 либо +7 */
  14.             '7 234 5678901' /* нет + */]
  15. ];
  16. $matches = [];
  17. foreach ($allNumbers as $numbers) {
  18.     foreach ($numbers as $number) {
  19.         $correctText = str_replace(" ", "", $number);
  20.         $correctText = str_replace("-", "", $correctText);
  21.         $correctText = str_replace("(", "", $correctText);
  22.         $correctText = str_replace(")", "", $correctText);
  23.         if (preg_match($regexp, $correctText, $matches)) {
  24.             echo "Правильный номер: {$matches[0]}<br/>";
  25.         } else {
  26.             echo "Ошибка! Введите номер формата: +7/8xxxxxxxxxx<br/>";
  27.         }
  28.     }
  29. }
  30.     ?>
Runtime error #stdin #stdout #stderr 0.02s 23600KB
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Standard output is empty
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PHP Fatal error:  Uncaught Error: Call to undefined function mb_internal_encoding() in /home/WyHFMD/prog.php:2
Stack trace:
#0 {main}
  thrown in /home/WyHFMD/prog.php on line 2
https://ideone.com/Z4ve6O
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
public

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