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<?php |
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declare(strict_types=1); |
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namespace EmailValidator; |
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class EmailAddress |
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{ |
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/** |
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* @var string |
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*/ |
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private string $email; |
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/** |
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* @var string|null |
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*/ |
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private ?string $localPart = null; |
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/** |
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* @var string|null |
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*/ |
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private ?string $domain = null; |
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public function __construct(string $email) |
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{ |
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$this->email = $email; |
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$this->parseEmail(); |
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} |
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/** |
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* Parses the email address into local part and domain |
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* |
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* This method handles: |
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* - Multiple @ symbols in quoted strings |
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* - Domain literals (IP addresses in square brackets) |
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* - Comments in email addresses |
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* |
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* @return void |
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*/ |
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private function parseEmail(): void |
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{ |
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// First, remove any comments |
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$email = preg_replace('/\([^)]*\)/', '', $this->email); |
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// Handle domain literals (IP addresses in square brackets) |
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if (preg_match('/\[([^\]]+)\]$/', $email, $matches)) { |
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$this->domain = $matches[1]; |
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$this->localPart = substr($email, 0, strrpos($email, '@')); |
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return; |
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} |
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// Split on the last @ symbol |
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$parts = explode('@', $email); |
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if (count($parts) < 2) { |
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return; |
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} |
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$this->domain = end($parts); |
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array_pop($parts); |
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$this->localPart = implode('@', $parts); |
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} |
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/** |
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* Returns the domain name portion of the email address. |
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* |
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* @return string|null |
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*/ |
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public function getDomain(): ?string |
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{ |
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return $this->domain; |
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} |
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/** |
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* Returns the email address. |
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* |
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* @return string |
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*/ |
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public function getEmailAddress(): string |
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{ |
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return $this->email; |
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} |
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/** |
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* Returns the username of the email address. |
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* |
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* @since 1.1.0 |
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* @return string |
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*/ |
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private function getUsername(): string |
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{ |
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return $this->localPart ?? ''; |
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} |
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/** |
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* Determines if a gmail account is using the "plus trick". |
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* |
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* @since 1.1.0 |
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* @return bool |
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*/ |
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public function isGmailWithPlusChar(): bool |
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{ |
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$result = false; |
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if (in_array($this->getDomain(), ['gmail.com', 'googlemail.com'])) { |
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$result = strpos($this->getUsername(), '+') !== false; |
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} |
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return $result; |
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} |
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/** |
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* Returns a gmail address without the "plus trick" portion of the email address. |
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* |
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* @since 1.1.0 |
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* @return string |
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*/ |
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public function getGmailAddressWithoutPlus(): string |
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{ |
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return preg_replace('/^(.+?)(\+.+?)(@.+)/', '$1$3', $this->getEmailAddress()); |
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} |
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/** |
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* Returns a gmail address without the "plus trick" portion of the email address and all dots removed. |
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* |
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* @since 1.1.4 |
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* @return string |
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*/ |
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public function getSanitizedGmailAddress(): string |
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{ |
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$email = new EmailAddress($this->getGmailAddressWithoutPlus()); |
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return sprintf( |
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'%s@%s', |
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str_replace('.', '', $email->getUsername()), |
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$email->getDomain() |
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); |
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} |
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} |
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