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<?php |
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namespace Http; |
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class HttpRequest implements Request |
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{ |
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protected $getParameters; |
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protected $postParameters; |
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protected $server; |
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protected $files; |
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protected $cookies; |
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public function __construct( |
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array $get, |
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array $post, |
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array $cookies, |
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array $files, |
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array $server, |
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$inputStream = '' |
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) { |
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$this->getParameters = $get; |
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$this->postParameters = $post; |
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$this->cookies = $cookies; |
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$this->files = $files; |
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$this->server = $server; |
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$this->inputStream = $inputStream; |
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} |
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/** |
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* Returns a parameter value or a default value if none is set. |
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* |
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* @param string $key |
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* @param string $defaultValue (optional) |
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* @return string |
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*/ |
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public function getParameter($key, $defaultValue = null) |
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{ |
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if (array_key_exists($key, $this->postParameters)) { |
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return $this->postParameters[$key]; |
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} |
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if (array_key_exists($key, $this->getParameters)) { |
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return $this->getParameters[$key]; |
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} |
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return $defaultValue; |
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} |
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/** |
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* Returns a query parameter value or a default value if none is set. |
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* |
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* @param string $key |
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* @param string $defaultValue (optional) |
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* @return string |
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*/ |
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public function getQueryParameter($key, $defaultValue = null) |
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{ |
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if (array_key_exists($key, $this->getParameters)) { |
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return $this->getParameters[$key]; |
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} |
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return $defaultValue; |
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} |
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/** |
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* Returns a body parameter value or a default value if none is set. |
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* |
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* @param string $key |
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* @param string $defaultValue (optional) |
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* @return string |
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*/ |
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public function getBodyParameter($key, $defaultValue = null) |
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{ |
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if (array_key_exists($key, $this->postParameters)) { |
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return $this->postParameters[$key]; |
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} |
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return $defaultValue; |
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} |
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/** |
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* Returns a file value or a default value if none is set. |
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* |
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* @param string $key |
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* @param string $defaultValue (optional) |
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* @return string |
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*/ |
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public function getFile($key, $defaultValue = null) |
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{ |
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if (array_key_exists($key, $this->files)) { |
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return $this->files[$key]; |
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} |
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return $defaultValue; |
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} |
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/** |
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* Returns a cookie value or a default value if none is set. |
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* |
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* @param string $key |
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* @param string $defaultValue (optional) |
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* @return string |
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*/ |
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public function getCookie($key, $defaultValue = null) |
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{ |
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if (array_key_exists($key, $this->cookies)) { |
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return $this->cookies[$key]; |
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} |
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return $defaultValue; |
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} |
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/** |
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* Returns all parameters. |
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* |
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* @return array |
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*/ |
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public function getParameters() |
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{ |
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return array_merge($this->getParameters, $this->postParameters); |
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} |
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/** |
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* Returns all query parameters. |
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* |
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* @return array |
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*/ |
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public function getQueryParameters() |
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{ |
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return $this->getParameters; |
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} |
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/** |
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* Returns all body parameters. |
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* |
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* @return array |
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*/ |
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public function getBodyParameters() |
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{ |
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return $this->postParameters; |
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} |
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/** |
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* Returns raw values from the read-only stream that allows you to read raw data from the request body. |
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* |
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* @return string |
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*/ |
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public function getRawBody() |
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{ |
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return $this->inputStream; |
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} |
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/** |
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* Returns a Cookie Iterator. |
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* |
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* @return array |
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*/ |
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public function getCookies() |
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{ |
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return $this->cookies; |
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} |
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/** |
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* Returns a File Iterator. |
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* |
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* @return array |
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*/ |
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public function getFiles() |
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{ |
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return $this->files; |
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} |
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/** |
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* The URI which was given in order to access this page |
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* |
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* @return string |
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* @throws MissingRequestMetaVariableException |
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*/ |
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public function getUri() |
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{ |
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return $this->getServerVariable('REQUEST_URI'); |
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} |
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/** |
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* Return just the path |
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* |
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* @return string |
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*/ |
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public function getPath() |
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{ |
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return strtok($this->getServerVariable('REQUEST_URI'), '?'); |
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} |
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/** |
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* Which request method was used to access the page; |
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* i.e. 'GET', 'HEAD', 'POST', 'PUT'. |
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* |
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* @return string |
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* @throws MissingRequestMetaVariableException |
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*/ |
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public function getMethod() |
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{ |
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return $this->getServerVariable('REQUEST_METHOD'); |
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} |
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/** |
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* Contents of the Accept: header from the current request, if there is one. |
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* |
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* @return string |
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* @throws MissingRequestMetaVariableException |
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*/ |
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public function getHttpAccept() |
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{ |
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return $this->getServerVariable('HTTP_ACCEPT'); |
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} |
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/** |
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* The address of the page (if any) which referred the user agent to the |
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* current page. |
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* |
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* @return string |
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* @throws MissingRequestMetaVariableException |
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*/ |
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public function getReferer() |
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{ |
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return $this->getServerVariable('HTTP_REFERER'); |
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} |
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/** |
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* Content of the User-Agent header from the request, if there is one. |
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* |
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* @return string |
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* @throws MissingRequestMetaVariableException |
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*/ |
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public function getUserAgent() |
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{ |
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return $this->getServerVariable('HTTP_USER_AGENT'); |
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} |
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/** |
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* The IP address from which the user is viewing the current page. |
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* |
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* @return string |
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* @throws MissingRequestMetaVariableException |
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*/ |
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public function getIpAddress() |
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{ |
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return $this->getServerVariable('REMOTE_ADDR'); |
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} |
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/** |
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* Checks to see whether the current request is using HTTPS. |
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* |
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* @return boolean |
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*/ |
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public function isSecure() |
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{ |
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return (array_key_exists('HTTPS', $this->server) |
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&& $this->server['HTTPS'] !== 'off' |
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); |
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} |
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/** |
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* The query string, if any, via which the page was accessed. |
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* |
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* @return string |
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* @throws MissingRequestMetaVariableException |
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*/ |
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public function getQueryString() |
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{ |
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return $this->getServerVariable('QUERY_STRING'); |
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} |
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private function getServerVariable($key) |
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{ |
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if (!array_key_exists($key, $this->server)) { |
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throw new MissingRequestMetaVariableException($key); |
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} |
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return $this->server[$key]; |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: