How to format Phone Numbers in PHP ?

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");
?>