$re = '/(([\+]?\s?[ 0-9]{1,6}([ \.\-])?)?([\(]{1}[ +0-9]{2,6}[\)])?([ 0-9\.\-]{1,32})([0-9]+))/m';
$str = '+86-400-660-8680
+86-400-660-8680
+1 888 204 3539
1-800-667-6389
+1-400-660-8680
(877) 359-6695
800-692-7753
0365987456
+3342568795
05987213
+33 321 82
efdg ds df +7 (499) 221–62–26 dfs gdsf 
';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php