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<?php |
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declare(strict_types=1); |
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namespace Charcoal\Email\Services; |
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use InvalidArgumentException; |
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/** |
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* Parser service |
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*/ |
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class Parser |
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{ |
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/** |
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* @var string |
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*/ |
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public const REGEXP = '/(.+[\s]+)?(<)?(([\w\-\._\+]+)@((?:[\w\-_]+\.)+)([a-zA-Z]*))?(>)?/u'; |
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/** |
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* @param string|array $email An email value (either a string or an array). |
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* @throws InvalidArgumentException If the email is invalid. |
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* @return string |
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*/ |
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public function parse($email): string |
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{ |
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if (is_array($email)) { |
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return $this->emailFromArray($email); |
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} elseif (is_string($email)) { |
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$arr = $this->emailToArray($email); |
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return $this->emailFromArray($arr); |
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} else { |
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throw new InvalidArgumentException( |
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'Can not parse email: must be an array or a string' |
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); |
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} |
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} |
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/** |
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* Convert an email address (RFC822) into a proper array notation. |
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* |
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* @param string $var An email array (containing an "email" key and optionally a "name" key). |
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* @throws InvalidArgumentException If the email is invalid. |
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* @return array |
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*/ |
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public function emailToArray(string $var) : array |
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{ |
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preg_match(self::REGEXP, $var, $out); |
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return [ |
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'email' => (isset($out[3]) ? trim($out[3]) : ''), |
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'name' => (isset($out[1]) ? trim(trim($out[1]), '\'"') : '') |
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]; |
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} |
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/** |
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* Convert an email address array to a RFC-822 string notation. |
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* |
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* @param array $arr An email array (containing an "email" key and optionally a "name" key). |
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* @throws InvalidArgumentException If the email array is invalid. |
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* @return string |
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*/ |
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public function emailFromArray(array $arr) : string |
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{ |
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if (!isset($arr['email'])) { |
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throw new InvalidArgumentException( |
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'The array must contain at least the "email" key.' |
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); |
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} |
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$email = strval(filter_var($arr['email'], FILTER_SANITIZE_EMAIL)); |
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if (!isset($arr['name']) || $arr['name'] === '') { |
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return $email; |
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} |
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$name = str_replace('"', '', filter_var($arr['name'], FILTER_SANITIZE_STRING)); |
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return sprintf('"%s" <%s>', $name, $email); |
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} |
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} |
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locomotivemtl /
charcoal-email
