Online PHP editor | refs for RHXdB

@ 2014-05-19T11:11:45Z

<?php
$string = "+090-1222";

echo (preg_match('/^[0-9-+]+\z/u', $string)) ? 'true' : 'false';
echo "\n";
echo (preg_match('/^[0-9-+]+/u', $string)) ? 'true' : 'false';

$string = 12345;
echo (is_string($string)) ? 'true' : 'false';