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<?php |
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/* |
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* This file is part of the EmailChecker package. |
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* |
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* (c) Matthieu Moquet <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace EmailChecker; |
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use EmailChecker\Exception\InvalidEmailException; |
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/** |
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* Some utilities for email checking. |
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* |
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* @author Matthieu Moquet <[email protected]> |
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*/ |
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class Utilities |
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{ |
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const EMAIL_REGEX_LOCAL = '(?!(?:(?:\\x22?\\x5C[\\x00-\\x7E]\\x22?)|(?:\\x22?[^\\x5C\\x22]\\x22?)){255,})(?!(?:(?:\\x22?\\x5C[\\x00-\\x7E]\\x22?)|(?:\\x22?[^\\x5C\\x22]\\x22?)){65,}@)(?:(?:[\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2F-\\x39\\x3D\\x3F\\x5E-\\x7E]+)|(?:\\x22(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22))(?:\\.(?:(?:[\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2F-\\x39\\x3D\\x3F\\x5E-\\x7E]+)|(?:\\x22(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22)))*'; |
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const EMAIL_REGEX_DOMAIN = '(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:\\.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\\]))'; |
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/** |
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* Extract parts of an email address. |
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* |
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* @param string $email The email address to parse |
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* |
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* @return array The parts of the email. First the local part, then the domain |
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*/ |
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public static function parseEmailAddress($email) |
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{ |
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$pattern = sprintf('/^(?<local>%s)@(?<domain>%s)$/iD', self::EMAIL_REGEX_LOCAL, self::EMAIL_REGEX_DOMAIN); |
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if (!preg_match($pattern, $email, $parts)) { |
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throw new InvalidEmailException(sprintf('"%s" is not a valid email', $email)); |
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} |
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return array_map('strtolower', [$parts['local'], $parts['domain']]); |
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} |
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/** |
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* Parse content and extract lines. |
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* |
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* @param string $content The content to parse |
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* |
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* @return array Array of cleaned string |
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*/ |
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public static function parseLines($content) |
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{ |
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// Split by line |
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$lines = explode("\n", $content); |
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// Trim and convert to lowercase |
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$lines = array_map('trim', $lines); |
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$lines = array_map('strtolower', $lines); |
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// Remove empty lines and comments |
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$lines = array_filter($lines, function ($line) { |
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return (0 === strlen($line) || '#' === $line[0]) ? false : $line; |
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}); |
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return $lines; |
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} |
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} |
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MattKetmo /
EmailChecker
