<?php
 
error_reporting(-1);
 
 $numbers = array('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', '8495123456789999',
'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 +
);  
 
 
$regexp = '/^(8|\\+7)([0-9 \\-?\\(?\s?\\)?]{10})/u';
 
    foreach($numbers as $value){
    	if(preg_match($regexp, $value)){
    		echo "Etot nomer verniy {$value}\n";
    	}else {
    		echo "Etot nomer neverniy - ALLAHU AKBAR {$value}\n";
    	}
   }

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