$re = '/^1(1[2578]|2([09]80|3(45|)|5(3?0|5)|7[67])|414|6(200|(80|91)\d|99[015679])|8(28|91))|(2([1-8]\d|9[136])|30\d|7(0[789]|60)|80[08]|9([136]\d|[124-7]))(\d{6})$/m';
$str = '112
16912
1414
16805
16200
16804
211234567
707123456
760123456
911250000
911212000
';
preg_match_all($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