PHP Collection::hasKey方法代碼示例

 public function testChecksIfHasKey()
 {
     $this->assertFalse($this->coll->hasKey('test'));
     $this->coll->add('test', 'value');
     $this->assertEquals(true, $this->coll->hasKey('test'));
     $this->coll->add('test2', 'value2');
     $this->assertEquals(true, $this->coll->hasKey('test'));
     $this->assertEquals(true, $this->coll->hasKey('test2'));
     $this->assertFalse($this->coll->hasKey('testing'));
     $this->assertEquals(false, $this->coll->hasKey('AB-C', 'junk'));
 }

 /**
  * Validate and prepare configuration parameters
  *
  * @param array $config   Configuration values to apply.
  * @param array $defaults Default parameters
  * @param array $required Required parameter names
  *
  * @return Collection
  * @throws InvalidArgumentException if a parameter is missing
  */
 public static function prepareConfig(array $config = null, array $defaults = null, array $required = null)
 {
     $collection = new Collection($defaults);
     foreach ((array) $config as $key => $value) {
         $collection->set($key, $value);
     }
     foreach ((array) $required as $key) {
         if ($collection->hasKey($key) === false) {
             throw new ValidationException("Config must contain a '{$key}' key");
         }
     }
     return $collection;
 }

 private function handleEndpoint(Collection $config)
 {
     // Alias "endpoint" with "base_url" for forwards compatibility.
     if ($config['endpoint']) {
         $config[Options::BASE_URL] = $config['endpoint'];
         return;
     }
     if ($config[Options::BASE_URL]) {
         return;
     }
     $endpoint = call_user_func($config['endpoint_provider'], array('scheme' => $config[Options::SCHEME], 'region' => $config[Options::REGION], 'service' => $config[Options::SERVICE]));
     $config[Options::BASE_URL] = $endpoint['endpoint'];
     // Set a signature if one was not explicitly provided.
     if (!$config->hasKey(Options::SIGNATURE) && isset($endpoint['signatureVersion'])) {
         $config->set(Options::SIGNATURE, $endpoint['signatureVersion']);
     }
     // The the signing region if endpoint rule specifies one.
     if (isset($endpoint['credentialScope'])) {
         $scope = $endpoint['credentialScope'];
         if (isset($scope['region'])) {
             $config->set(Options::SIGNATURE_REGION, $scope['region']);
         }
     }
 }

 /**
  * Update a configuration object from a service description
  *
  * @param Collection $config Config to update
  *
  * @return ServiceDescription
  * @throws InvalidArgumentException
  */
 protected function updateConfigFromDescription(Collection $config)
 {
     $description = $config->get(Options::SERVICE_DESCRIPTION);
     if (!$description instanceof ServiceDescription) {
         // Inject the version into the sprintf template if it is a string
         if (is_string($description)) {
             $description = sprintf($description, $config->get(Options::VERSION));
         }
         $description = ServiceDescription::factory($description);
         $config->set(Options::SERVICE_DESCRIPTION, $description);
     }
     if (!$config->get(Options::SERVICE)) {
         $config->set(Options::SERVICE, $description->getData('endpointPrefix'));
     }
     if ($iterators = $description->getData('iterators')) {
         $this->setIteratorsConfig($iterators);
     }
     // Make sure a valid region is set
     $region = $config->get(Options::REGION);
     $global = $description->getData('globalEndpoint');
     if (!$global && !$region) {
         throw new InvalidArgumentException('A region is required when using ' . $description->getData('serviceFullName'));
     } elseif ($global && (!$region || $description->getData('namespace') !== 'S3')) {
         $region = 'us-east-1';
         $config->set(Options::REGION, 'us-east-1');
     }
     if (!$config->get(Options::BASE_URL)) {
         $endpoint = call_user_func($config->get('endpoint_provider'), array('scheme' => $config->get(Options::SCHEME), 'region' => $region, 'service' => $config->get(Options::SERVICE)));
         $config->set(Options::BASE_URL, $endpoint['endpoint']);
         // Set a signature if one was not explicitly provided.
         if (!$config->hasKey(Options::SIGNATURE) && isset($endpoint['signatureVersion'])) {
             $config->set(Options::SIGNATURE, $endpoint['signatureVersion']);
         }
     }
     return $description;
 }