Here, we will see how to change phone number format using PHP. Check the below code to change phone number format in php preg_replace.
Example:
<?php
function phone_number_format($number){
$number = preg_replace("/[^\d]/","",$number);
$length_of_number = strlen($number);
if($length_of_number == 10) {
echo $number = "Mobile Number : " . preg_replace("/^1?(\d{3})(\d{3})(\d{4})$/", "$1-$2-$3", $number);
}else{
echo "Invalid Mobile Number";
}
}
phone_number_format(9876543210);
?> Output:
Mobile Number : 987-654-3210 
