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 vote287 views2 answers
Laravel has one through relationship
PHP Laravel
2 votes300 views1 answer
Find word in text in laravel
PHP Laravel
0 vote201 views2 answers
Php code for video upload
PHP
11 votes212 views3 answers
Get the full url in php
PHP
2 votes224 views1 answer
Laravel delete relationship data
PHP Laravel
14 votes250 views4 answers
Magento 2 create admin user
PHP
0 vote226 views1 answer
Remove autoupdate wordpress
PHP Wordpress
2 votes224 views1 answer
Sql row count php pdo
PHP
5 votes173 views2 answers
Laravel access controller method from another controller
PHP
0 vote176 views1 answer
Php debug backtrace last function
PHP