<?php
$numbers = [
'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', '02', '84951234567 позвать люсю',
'849512345', '849512345678', '8 (409) 123-123-123', '7900123467',
'5005005001', '8888-8888-88', '84951a234567', '8495123456a',
'+1 234 5678901', '+8 234 5678901', '7 234 5678901'
];
$regexp = "/^((\\s*\\+\\s*7\\s*)|(\\s*8\\W*))(\\d\\W*){10}$/ui";
foreach ($numbers as $number)
{
echo (preg_match($regexp, $number, $result)) ?
"[+] {$number} [Номер правильный]\n" : "[-] {$number} [Номер неправильный]\n"; }
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