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<?php |
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namespace Ballen\Plexity; |
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use Ballen\Collection\Collection; |
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use Ballen\Plexity\Interfaces\PasswordHistoryInterface; |
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use Ballen\Plexity\Support\Validator; |
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use InvalidArgumentException; |
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/** |
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* Plexity |
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* |
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* Plexity (Password Complexity) is a password complexity library that |
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* enables you to set "rules" for a password (or any other kind of string) that |
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* you can then check against in your application. |
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* |
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* @author Bobby Allen <[email protected]> |
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* @license http://opensource.org/licenses/MIT |
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* @link https://github.com/allebb/plexity |
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* @link https://bobbyallen.me |
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* |
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*/ |
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class Plexity |
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{ |
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public const RULE_UPPER = 'upper'; |
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public const RULE_LOWER = 'lower'; |
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public const RULE_SPECIAL = 'special'; |
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public const RULE_NUMERIC = 'numeric'; |
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public const RULE_LENGTH_MIN = 'length_min'; |
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public const RULE_LENGTH_MAX = 'length_max'; |
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public const RULE_NOT_IN = 'not_in'; |
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public const RULE_NOT_HAVING = 'not_having'; |
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/** |
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* The configured list of rules for the object. |
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* @var Collection |
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*/ |
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private $rules; |
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/** |
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* The string to validate against |
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* @var string |
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*/ |
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private $checkString; |
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/** |
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* Default collection settings |
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* @var array<string,mixed> |
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*/ |
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private $defaultConfiguration = [ |
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self::RULE_UPPER => 0, |
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self::RULE_LOWER => 0, |
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self::RULE_SPECIAL => 0, |
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self::RULE_NUMERIC => 0, |
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self::RULE_LENGTH_MIN => 0, |
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self::RULE_LENGTH_MAX => 0, |
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self::RULE_NOT_IN => null, |
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self::RULE_NOT_HAVING => null, |
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]; |
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/** |
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* The validator instance. |
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* @var Support\Validator |
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*/ |
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public $validator; |
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/** |
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* Instaniate a new instance of the Plexity class. |
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*/ |
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public function __construct() |
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{ |
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$this->rules = new Collection($this->defaultConfiguration); |
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$this->validator = new Validator(); |
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} |
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/** |
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* Requires the password to contain upper case characters. |
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* @param int $amount Optional minimum number of required upper case characters (will default to 1) |
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* @return Plexity |
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*/ |
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public function requireUpperCase($amount = 1) |
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{ |
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$this->rules->put(self::RULE_UPPER, $amount); |
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return $this; |
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} |
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/** |
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* Requires the password to contain lower case characters. |
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* @param int $amount Optional minimum number of required lower case characters (will default to 1) |
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* @return Plexity |
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*/ |
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public function requireLowerCase($amount = 1) |
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{ |
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$this->rules->put(self::RULE_LOWER, $amount); |
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return $this; |
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} |
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/** |
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* Requires the password to contain special characters. |
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* @param int $amount Optional amount of special characters the string must atleast contain. |
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* @return Plexity |
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*/ |
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public function requireSpecialCharacters($amount = 1) |
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{ |
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$this->rules->put(self::RULE_SPECIAL, $amount); |
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return $this; |
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} |
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/** |
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* Requires the password to contain numeric characters. |
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* @deprecated See bug report: https://github.com/allebb/plexity/issues/4 |
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* @note Use the requireNumericCharacters() method instead, proxied this method for now to prevent broken code but will be removed in a future release. |
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*/ |
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public function requireNumericChataters($amount = 1) |
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{ |
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return $this->requireNumericCharacters($amount); |
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} |
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/** |
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* Requires the password to contain numeric characters. |
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* @param int $amount Optional amount of numeric characters the string must at least contain. |
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* @return Plexity |
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*/ |
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public function requireNumericCharacters($amount = 1) |
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{ |
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$this->rules->put(self::RULE_NUMERIC, $amount); |
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return $this; |
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} |
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/** |
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* Requires the password/string to be atleast X characters long. |
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* @param int $minLength Minimum length that the password/string must be. |
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* @return Plexity |
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*/ |
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public function minimumLength($minLength) |
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{ |
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if (!is_int($minLength)) { |
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throw new InvalidArgumentException('The minimum length value must be of type integer.'); |
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} |
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$this->rules->put(self::RULE_LENGTH_MIN, $minLength); |
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return $this; |
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} |
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/** |
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* Requires the password/string to be a maximum of X characters long. |
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* @param int $maxLength Maximum length that the password/string can be. |
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* @return Plexity |
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*/ |
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public function maximumLength($maxLength) |
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{ |
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if (!is_int($maxLength)) { |
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throw new InvalidArgumentException('The maximum length value must be of type integer.'); |
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} |
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$this->rules->put(self::RULE_LENGTH_MAX, $maxLength); |
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return $this; |
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} |
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/** |
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* An alias for adding both the minimumLenght() and maximumLenght() methods/rules. |
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* @param int $minimmum Length must be atleast X characters long. |
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* @param int $maximum Length must not exceed X characters long. |
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* @return Plexity |
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*/ |
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public function lengthBetween($minimmum, $maximum) |
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{ |
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$this->minimumLength($minimmum); |
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$this->maximumLength($maximum); |
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return $this; |
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} |
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/** |
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* Requires that the password/string is not found in a password history collection. |
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* @param array<string>|PasswordHistoryInterface $history An array of passwords/strings to check against or an implementation of PasswordHistoryInterface. |
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* @return Plexity |
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*/ |
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public function notIn($history) |
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{ |
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$this->rules->put(self::RULE_NOT_IN, $history); |
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return $this; |
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} |
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/** |
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* Requires that the password/string doesn't contain any of the provided strings. Check is case-insensitive. |
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* @param array<string> $stack An array of strings to check against. |
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* @return Plexity |
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*/ |
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public function notHaving($stack) |
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{ |
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$this->rules->put(self::RULE_NOT_HAVING, $stack); |
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return $this; |
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} |
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/** |
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* Check the string against the list of configured rules to ensure that it is valid. |
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* @param string $string The password/string to validate. |
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* @return bool |
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* @throws Exceptions\ValidationException |
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*/ |
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public function check($string) |
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{ |
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$this->checkString = $string; |
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return $this->validator->validate($this); |
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} |
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/** |
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* Returns the configured rule set. |
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* @return Collection |
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*/ |
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public function rules() |
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{ |
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return $this->rules; |
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} |
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/** |
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* Returns the password/string of which is to be checked. |
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* @return string |
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*/ |
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public function checkString() |
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{ |
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return $this->checkString; |
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} |
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} |
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