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<?php namespace Propaganistas\LaravelPhone; |
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use Iso3166\Codes as ISO3166; |
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use libphonenumber\NumberParseException; |
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use libphonenumber\PhoneNumberType; |
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use libphonenumber\PhoneNumberUtil; |
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use Propaganistas\LaravelPhone\Exceptions\NoValidCountryFoundException; |
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use Propaganistas\LaravelPhone\Exceptions\InvalidParameterException; |
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class PhoneValidator |
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{ |
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/** |
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* @var \libphonenumber\PhoneNumberUtil |
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*/ |
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protected $lib; |
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/** |
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* Dotted validator data. |
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* |
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* @var array |
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*/ |
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protected $data; |
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/** |
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* Whether the country should be auto-detected. |
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* |
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* @var bool |
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*/ |
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protected $autodetect = false; |
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/** |
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* Whether to allow lenient checking of numbers (i.e. landline without area codes). |
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* |
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* @var bool |
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*/ |
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protected $lenient = false; |
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/** |
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* The field to use for country if not passed as a parameter. |
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* |
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* @var string|null |
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*/ |
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protected $countryField = null; |
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/** |
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* Countries to validate against. |
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* |
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* @var array |
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*/ |
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protected $countries = []; |
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/** |
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* Transformed phone number types to validate against. |
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* |
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* @var array |
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*/ |
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protected $types = []; |
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/** |
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* PhoneValidator constructor. |
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*/ |
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public function __construct(PhoneNumberUtil $lib) |
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{ |
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$this->lib = $lib; |
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} |
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/** |
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* Validates a phone number. |
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* |
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* @param string $attribute |
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* @param mixed $value |
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* @param array $parameters |
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* @param object $validator |
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* @return bool |
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* @throws \Propaganistas\LaravelPhone\Exceptions\InvalidParameterException |
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* @throws \Propaganistas\LaravelPhone\Exceptions\NoValidCountryFoundException |
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*/ |
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public function validatePhone($attribute, $value, array $parameters, $validator) |
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{ |
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$this->data = array_dot($validator->getData()); |
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$this->assignParameters($parameters); |
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$this->checkCountries($attribute); |
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// If autodetecting, let's first try without a country. |
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// Otherwise use provided countries as default. |
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if ($this->autodetect || ($this->lenient && empty($this->countries))) { |
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array_unshift($this->countries, null); |
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} |
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foreach ($this->countries as $country) { |
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if ($this->isValidNumber($value, $country)) { |
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return true; |
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} |
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} |
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// All specified country validations have failed. |
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return false; |
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} |
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/** |
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* Replace all place-holders for the phone rule. |
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* |
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* @param string $message |
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* @param string $attribute |
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* @param string $rule |
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* @param array $parameters |
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* @return string |
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*/ |
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public function replacePhone($message, $attribute, $rule, $parameters) |
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{ |
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return str_replace(':value', $parameters[0], $message); |
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} |
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/** |
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* Parses the supplied validator parameters. |
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* |
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* @param array $parameters |
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* @throws \Propaganistas\LaravelPhone\Exceptions\InvalidParameterException |
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*/ |
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protected function assignParameters(array $parameters) |
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{ |
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$types = []; |
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foreach ($parameters as $parameter) { |
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// First check if the parameter is some phone type configuration. |
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if ($this->isPhoneType($parameter)) { |
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$types[] = strtoupper($parameter); |
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} elseif ($this->isPhoneCountry($parameter)) { |
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$this->countries[] = strtoupper($parameter); |
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} elseif ($parameter == 'AUTO') { |
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$this->autodetect = true; |
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} elseif ($parameter == 'LENIENT') { |
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$this->lenient = true; |
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} // Lastly check if it is an input field containing the country. |
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elseif ($this->isInputField($parameter)) { |
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$this->countryField = $parameter; |
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} else { |
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// Force developers to write proper code. |
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throw new InvalidParameterException($parameter); |
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} |
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} |
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$this->types = $this->parseTypes($types); |
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} |
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/** |
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* Checks the detected countries. Overrides countries if a country field is present. |
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* When using a country field, we should validate to false if country is empty so no exception |
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* will be thrown. |
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* |
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* @param string $attribute |
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* @throws \Propaganistas\LaravelPhone\Exceptions\NoValidCountryFoundException |
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*/ |
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protected function checkCountries($attribute) |
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{ |
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$countryField = (is_null($this->countryField) ? $attribute . '_country' : $this->countryField); |
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if ($this->isInputField($countryField)) { |
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$this->countries = [array_get($this->data, $countryField)]; |
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} elseif (! $this->autodetect && ! $this->lenient && empty($this->countries)) { |
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throw new NoValidCountryFoundException; |
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} |
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} |
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/** |
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* Performs the actual validation of the phone number. |
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* |
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* @param mixed $number |
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* @param null $country |
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* @return bool |
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*/ |
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protected function isValidNumber($number, $country = null) |
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{ |
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try { |
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// Throws NumberParseException if not parsed correctly against the supplied country. |
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// If no country was given, tries to discover the country code from the number itself. |
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$phoneNumber = $this->lib->parse($number, $country); |
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// Check if type is allowed. |
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if (empty($this->types) || in_array($this->lib->getNumberType($phoneNumber), $this->types)) { |
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// Lenient validation. |
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if ($this->lenient) { |
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return $this->lib->isPossibleNumber($phoneNumber, $country); |
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} |
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// For automatic detection, the number should have a country code. |
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if ($phoneNumber->hasCountryCode()) { |
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// Automatic detection: |
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if ($this->autodetect) { |
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// Validate if the international phone number is valid for its contained country. |
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return $this->lib->isValidNumber($phoneNumber); |
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} |
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// Validate number against the specified country. |
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return $this->lib->isValidNumberForRegion($phoneNumber, $country); |
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} |
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} |
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} catch (NumberParseException $e) { |
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// Proceed to default validation error. |
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} |
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return false; |
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} |
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/** |
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* Parses the supplied phone number types. |
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* |
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* @param array $types |
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* @return array |
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*/ |
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protected function parseTypes(array $types) |
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{ |
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// Transform types to their namespaced class constant. |
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array_walk($types, function (&$type) { |
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$type = constant('\libphonenumber\PhoneNumberType::' . $type); |
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}); |
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// Add in the unsure number type if applicable. |
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if (array_intersect([PhoneNumberType::FIXED_LINE, PhoneNumberType::MOBILE], $types)) { |
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$types[] = PhoneNumberType::FIXED_LINE_OR_MOBILE; |
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} |
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return $types; |
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} |
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/** |
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* Checks if the given field is an actual input field. |
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* |
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* @param string $field |
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* @return bool |
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*/ |
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public function isInputField($field) |
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{ |
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return ! is_null(array_get($this->data, $field)); |
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} |
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/** |
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* Checks if the supplied string is a valid country code. |
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* |
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* @param string $country |
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* @return bool |
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*/ |
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public function isPhoneCountry($country) |
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{ |
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return ISO3166::isValid(strtoupper($country)); |
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} |
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/** |
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* Checks if the supplied string is a valid phone number type. |
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* |
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* @param string $type |
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* @return bool |
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*/ |
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public function isPhoneType($type) |
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{ |
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// Legacy support. |
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$type = ($type == 'LANDLINE' ? 'FIXED_LINE' : $type); |
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return defined('\libphonenumber\PhoneNumberType::' . strtoupper($type)); |
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} |
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} |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.