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<?php |
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/** |
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* Quantum PHP Framework |
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* |
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* An open source software development framework for PHP |
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* |
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* @package Quantum |
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* @author Arman Ag. <[email protected]> |
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* @copyright Copyright (c) 2018 Softberg LLC (https://softberg.org) |
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* @link http://quantum.softberg.org/ |
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* @since 2.9.8 |
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*/ |
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namespace Quantum\Libraries\Validation\Traits; |
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/** |
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* Trait Resource |
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* @package Quantum\Libraries\Validation\Rules |
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*/ |
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trait Resource |
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{ |
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/** |
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* Checks for valid URL or subdomain |
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* @param string $field |
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* @param string $value |
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* @return bool |
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*/ |
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protected function url(string $field, string $value): bool |
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{ |
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return filter_var($value, FILTER_VALIDATE_URL) !== false; |
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} |
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/** |
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* Checks to see if the url exists |
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* @param string $field |
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* @param string $value |
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* @return bool |
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*/ |
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protected function urlExists(string $field, string $value): bool |
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{ |
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if (filter_var($value, FILTER_VALIDATE_URL) === false) { |
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return false; |
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} |
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$host = parse_url(strtolower($value), PHP_URL_HOST); |
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if (!$host) { |
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return false; |
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} |
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if (function_exists('checkdnsrr') && function_exists('idn_to_ascii')) { |
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return checkdnsrr(idn_to_ascii($host, 0, INTL_IDNA_VARIANT_UTS46), 'A'); |
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} else { |
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return gethostbyname($host) !== $host; |
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} |
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} |
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/** |
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* Checks for valid IP address |
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* @param string $field |
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* @param string $value |
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* @return bool |
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*/ |
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protected function ip(string $field, string $value): bool |
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{ |
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return filter_var($value, FILTER_VALIDATE_IP) !== false; |
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} |
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/** |
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* Checks for valid IPv4 address |
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* @param string $field |
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* @param string $value |
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* @return bool |
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*/ |
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protected function ipv4(string $field, string $value): bool |
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{ |
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return filter_var($value, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== false; |
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} |
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/** |
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* Checks for valid IPv6 address |
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* @param string $field |
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* @param string $value |
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* @return bool |
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*/ |
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protected function ipv6(string $field, string $value): bool |
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{ |
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return filter_var($value, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) !== false; |
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} |
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} |
softberg /
quantum-php-core
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.