- substr: documentation ( source)
- print_r: documentation ( source)
- explode: documentation ( source)
<?php
$params['phone'] = '+12514017257';
$start = substr($params['phone'], 0, 5);
$end = substr($params['phone'], 6);
$phone = $start . $end;
echo $phone;
$phone = '+12514017257+113';
$pieces = explode('+', $number);
print_r($pieces);