How to format Phone Numbers in PHP ? Last Updated : 23 Jul, 2025 Comments Improve Suggest changes 3 Likes Like Report In this article, we will learn how to format phone numbers using PHP. When we need to store a phone number then we store the formatting phone number. Using PHP, we can easily format phone numbers. Approach: In this article, we will format the phone number using the preg_match() method. We can use this method to format phone numbers. This function has special characteristics of finding specified patterns from string. PHP code: The following is the complete code to format phone numbers using preg_match(). PHP <?php // Create a formatting function function formatting($phone){ // Pass phone number in preg_match function if(preg_match( '/^\+[0-9]([0-9]{3})([0-9]{3})([0-9]{4})$/', $phone, $value)) { // Store value in format variable $format = $value[1] . '-' . $value[2] . '-' . $value[3]; } else { // If given number is invalid echo "Invalid phone number <br>"; } // Print the given format echo("$format" . "<br>"); } // Call the function formatting("+02025550170"); formatting("+01677942758"); ?> Output: 202-555-0170 167-794-2758 Comment A alamin11593 Follow 3 Improve A alamin11593 Follow 3 Improve Article Tags : Web Technologies PHP PHP-function PHP-Questions Explore PHP Tutorial 8 min read BasicsPHP Syntax 4 min read PHP Variables 5 min read PHP | Functions 8 min read PHP Loops 4 min read ArrayPHP Arrays 5 min read PHP Associative Arrays 4 min read Multidimensional arrays in PHP 5 min read Sorting Arrays in PHP 4 min read OOPs & InterfacesPHP Classes 2 min read PHP | Constructors and Destructors 5 min read PHP Access Modifiers 4 min read Multiple Inheritance in PHP 4 min read MySQL DatabasePHP | MySQL Database Introduction 4 min read PHP Database connection 2 min read PHP | MySQL ( Creating Database ) 3 min read PHP | MySQL ( Creating Table ) 3 min read PHP AdvancePHP Superglobals 6 min read PHP | Regular Expressions 12 min read PHP Form Handling 4 min read PHP File Handling 4 min read PHP | Uploading File 3 min read PHP Cookies 9 min read PHP | Sessions 7 min read Like