Check if phone number is valid php

Php validate phone number

$phone = '000-0000-0000';

if(preg_match("/^[0-9]{3}-[0-9]{4}-[0-9]{4}$/", $phone)) {
  // $phone is valid
}

Check if phone number is valid php

   function isDigits(string $s, int $minDigits = 9, int $maxDigits = 14): bool {
        return preg_match('/^[0-9]{'.$minDigits.','.$maxDigits.'}\z/', $s);
    }

    function isValidTelephoneNumber(string $telephone, int $minDigits = 9, int $maxDigits = 14): bool {
        if (preg_match('/^[+][0-9]/', $telephone)) { //is the first character + followed by a digit
            $count = 1;
            $telephone = str_replace(['+'], '', $telephone, $count); //remove +
        }

        //remove white space, dots, hyphens and brackets
        $telephone = str_replace([' ', '.', '-', '(', ')'], '', $telephone);

        //are we left with digits only?
        return $this->isDigits($telephone, $minDigits, $maxDigits);
    }

    function normalizeTelephoneNumber(string $telephone): string {
        //remove white space, dots, hyphens and brackets
        $telephone = str_replace([' ', '.', '-', '(', ')'], '', $telephone);
        return $telephone;
    }

// how to use 
$tel = '+9112 345 6789';
if (isValidTelephoneNumber($tel)) {
    //normalize telephone number if needed
echo normalizeTelephoneNumber($tel); //+91123456789
}

Source: phpisset.com

Similar codes

0 vote392 views1 answer
How to save snap in webcap in php codeigniter
PHP CodeIgniter
2 votes328 views4 answers
Laravel hash password check
PHP
0 vote375 views1 answer
Use s3 storage laravel
PHP
1 vote379 views2 answers
Woocommerce redirect shop page
PHP
1 vote319 views1 answer
Autoload file laravel
PHP
2 votes316 views3 answers
Laravel migration drop foreign keys
PHP
0 vote336 views1 answer
Laravel eloquent select one column in array
PHP
0 vote372 views1 answer
Laravel notification attach file
PHP Laravel
0 vote326 views1 answer
How to add javascript to a php file
PHP
56 votes486 views6 answers
Laravel seeder
PHP Laravel