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<?php
namespace TraderInteractive\Filter;
use TraderInteractive\Exceptions\FilterException;
/**
* A collection of filters for emails.
*/
final class Email
{
* Filter an email
*
* The return value is the email, as expected by the \TraderInteractive\Filterer class.
* @param mixed $value The value to filter.
* @return string The passed in $value.
* @throws FilterException if the value did not pass validation.
public static function filter($value) : string
self::validateString($value);
return self::validateEmail($value);
}
private static function validateEmail(string $value) : string
$filteredEmail = filter_var($value, FILTER_VALIDATE_EMAIL);
if ($filteredEmail === false) {
throw new FilterException("Value '{$value}' is not a valid email");
return $filteredEmail;
private static function validateString($value)
if (!is_string($value)) {
throw new FilterException("Value '" . var_export($value, true) . "' is not a string");
traderinteractive /
filter-strings-php
