<?php
 
error_reporting(-1);
 
$pattern = "/^\\s?(8|\\+\\s?7)((-|\\s|\\(|\\))*\\d(-|\\s|\\(|\\))*){10}$/";
 
$allNumbers = [
  "correctNumbers" => [
    '84951234567',  '+74951234567', '8-495-1-234-567',
    ' 8 (8122) 56-56-56', '8-911-1234567', '8 (911) 12 345 67',
    '8-911 12 345 67', '8 (911) - 123 - 45 - 67', '+ 7 999 123 4567',
    '8 ( 999 ) 1234567', '8 999 123 4567'
  ],
 
  "incorrectNumbers" => [
    '02', '84951234567 позвать люсю', '849512345', '849512345678',
    '8 (409) 123-123-123', '7900123467', '5005005001', '8888-8888-88',
    '84951a234567', '8495123456a',
    '+1 234 5678901', /* неверный код страны */
    '+8 234 5678901', /* либо 8 либо +7 */
    '7 234 5678901' /* нет + */
  ]
];
 
foreach ($allNumbers as $numbers) {
    foreach ($numbers as $number) {
      if (!preg_match($pattern, $number)) {
          echo "{$number}\n";
      }
    }
}
 

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