<?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';
 
 
$regexp = "/^\\s?([+]\s*[7]|8)\\W*[0-9]\\W*[0-9]\\W*[0-9]\\W*[0-9]\\W*[0-9]\\W*[0-9]\\W*[0-9]\\W*[0-9]\\W*[0-9]\\W*[0-9]$/";
 
$regexpRepl = "/^\\([+]7)\\d{10}$/";
 
$CorrNumb = array();
 
if(preg_match($regexp, $numbers, $CorrNumb)) {
		var_dump($CorrNumb);
 
}
 
		$lenght = count($CorrNumb);
        echo $lenght;
 
 
 
 
?>

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