1. Go to this page and download the library: Download coreproc/msisdn-ph library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
coreproc / msisdn-ph example snippets
$mobileNumber = '09171231234';
if (Msisdn::validate($mobileNumber)) {
echo 'Valid mobile number';
} else {
echo 'Invalid mobile number';
}