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

2 votes120 views1 answer
Laravel model truncate
PHP Laravel
1 vote102 views1 answer
Create and download text file in php
PHP
1 vote105 views1 answer
Php shell script
PHP
0 vote66 views1 answer
Php str_contains
PHP
0 vote120 views1 answer
Laravel display the date the participation was created
PHP
0 vote137 views1 answer
Php et WP_Post Object
PHP
40 votes104 views6 answers
Laravel drop column
PHP
48 votes99 views3 answers
Php cli display errors
PHP
123 votes316 views6 answers
Json decode
PHP
-2 votes73 views3 answers
Laravel htaccess public_html
PHP