Wordpress - Functions: CF7 cf7 contact form 7- Validate Phone Numbers and custom matching password

Wordpress - Functions

/*add in functions.php
Validate Numbers in Contact Form 7
This is for 10 digit numbers - [phone] for feild
*/

function is_number( $result, $tag ) {
$type = $tag['type'];
$name = $tag['name'];

if ($name == 'phone' || $name == 'fax') { // Validation applies to these textfield names. Add more with || inbetween
$stripped = preg_replace( '/\D/', '', $_POST[$name] );
$_POST[$name] = $stripped;
if( strlen( $_POST[$name] ) != 10 ) { // Number string must equal this
$result['valid'] = false;
$result['reason'][$name] = $_POST[$name] = 'Please enter a 10 digit phone number.';
}
}
return $result;
}

add_filter( 'wpcf7_validate_text', 'is_number', 10, 2 );
add_filter( 'wpcf7_validate_text*', 'is_number', 10, 2 );


/*
  Create Custom matching text area
  <div class="passcode">[text* presscode /15 placeholder "PRESS CODE"]</div>
  
 */

function is_matching($result, $tag) {
    $type = $tag['type'];
    $name = $tag['name'];
    $password = '0123456789';

    if ($name == 'presscode') { // Validation applies to these textfield names. Add more with || inbetween
	$stripped = preg_replace('/\D/', '', $_POST[$name]);
	$_POST[$name] = $stripped;

	if (strlen($_POST[$name]) != 10) { // Number string must equal this
	    $result['valid'] = false;
	    $result['reason'][$name] = $_POST[$name] = 'Please enter a valid pass code';
	}
	if ($_POST[$name] !=$password) { // Number string must equal this
	    $result['valid'] = false;
	    $result['reason'][$name] = $_POST[$name] = 'Please enter a valid pass code';
	}
    }



    return $result;
}

add_filter('wpcf7_validate_text', 'is_matching', 10, 2);
add_filter('wpcf7_validate_text*', 'is_matching', 10, 2);

Addon for contact form 7 phone number validation (Telephone shortcode)
https://ciphercoin.com/downloads/advanced-contact-form-7-telephone-input/