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[李景山php]每天laravel-20161022|Request.php-3
//2016-08-26
/**
* Check that the given file is a valid file instance.
*
* @param mixed $file
* @return bool
*/
protected function isValidFile($file)
{
return $file instanceof SplFileInfo && $file->getPath() != ‘‘;
// if both about this is ok than it is ok
}//Check that the given file is a valid file instance.
/**
* Retrieve a header from the request.
*
* @param string $key
* @param string|array|null $default
* @return string|array
*/
public function header($key = null, $default = null)
{
return $this->retrieveItem(‘headers‘, $key, $default);
}//Retrieve a header from the request.
// retrieve like search
// get the request header
// use a wrap function to set this options to get the value
/**
* Retrieve a server variable from the request.
*
* @param string $key
* @param string|array|null $default
* @return string|array
*/
public function server($key = null, $default = null)
{
return $this->retrieveItem(‘server‘, $key, $default);
}// like brother
/**
* Retrieve an old input item.
*
* @param string $key
* @param string|array|null $default
* @return string|array
*/
public function old($key = null, $default = null)
{
return $this->session()->getOldInput($key, $default);
}// this is amazing method to get you old boy friend
// like get you history
/**
* Flash the input for the current request to the session.
*
* @param string $filter
* @param array $keys
* @return void
*/
public function flash($filter = null, $keys = [])
{
$flash = (! is_null($filter)) ? $this->$filter($keys) : $this->input();
$this->session()->flashInput($flash);// use a flash method
}// flash the input for the current request to the session
/**
* Flash only some of the input to the session.
*
* @param array|mixed $keys
* @return void
*/
public function flashOnly($keys)
{
$keys = is_array($keys) ? $keys : func_get_args();// get the keys
return $this->flash(‘only‘, $keys);// return this flash
}// flash only some of the input to the session
/**
* Flash only some of the input to the session.
*
* @param array|mixed $keys
* @return void
*/
public function flashExcept($keys)
{
$keys = is_array($keys) ? $keys : func_get_args();// get this right key.
return $this->flash(‘except‘, $keys);// use a key to store this value
}//flash only some of the input to the session.
/**
* Flush all of the old input from the session.
*
* @return void
*/
public function flush()
{
$this->session()->flashInput([]);
}// if this values is null flash all value.
/**
* Retrieve a parameter item from a given source.
*
* @param string $source
* @param string $key
* @param string|array|null $default
* @return string|array
*/
protected function retrieveItem($source, $key, $default)
{
if (is_null($key)) {
return $this->$source->all();
}// is_null
return $this->$source->get($key, $default);// get the key
}//this is the retrieve method ,like a search function.
/**
* Merge new input into the current request‘s input array.
*
* @param array $input
* @return void
*/
public function merge(array $input)
{
$this->getInputSource()->add($input);// to get the Source
}//get the merge
/**
* Replace the input for the current request.
*
* @param array $input
* @return void
*/
public function replace(array $input)
{
$this->getInputSource()->replace($input);
}//replace the input for the current request.
/**
* Get the JSON payload for the request.
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public function json($key = null, $default = null)
{
if (! isset($this->json)) {
$this->json = new ParameterBag((array) json_decode($this->getContent(), true));
}//set this json
if (is_null($key)) {
return $this->json;
}// return all
return data_get($this->json->all(), $key, $default);// get the key from this store array
}//get the JSON payload fro the request.
/**
* Get the input source for the request.
*
* @return \Symfony\Component\HttpFoundation\ParameterBag
*/
protected function getInputSource()
{
if ($this->isJson()) {
return $this->json();
}// if it is a Json
return $this->getMethod() == ‘GET‘ ? $this->query : $this->request;// get this GET
}//Get the input source for the request
/**
* Determine if the given content types match.
*
* @param string $actual
* @param string $type
* @return bool
*/
public static function matchesType($actual, $type)
{// Determine if the given content types match.
if ($actual === $type) {
return true;
}// determine this two type is ok
$split = explode(‘/‘, $actual);//get this value
if (isset($split[1]) && preg_match(‘/‘.$split[0].‘\/.+\+‘.$split[1].‘/‘, $type)) {
return true;
}//has this check
return false;
}// default it is wrong.
/**
* Determine if the request is sending JSON.
*
* @return bool
*/
public function isJson()
{
return Str::contains($this->header(‘CONTENT_TYPE‘), [‘/json‘, ‘+json‘]);
// Str:: contains
// to set this header
}//Determine if the request is sending JSON
/**
* Determine if the current request is asking for JSON in return.
*
* @return bool
*/
public function wantsJson()
{
$acceptable = $this->getAcceptableContentTypes();// use a magic function
return isset($acceptable[0]) && Str::contains($acceptable[0], [‘/json‘, ‘+json‘]);
}// check this request method to return by json type
/**
* Determines whether the current requests accepts a given content type.
*
* @param string|array $contentTypes
* @return bool
*/
public function accepts($contentTypes)
{//Determines whether the current requests accepts a given content type.
$accepts = $this->getAcceptableContentTypes();// get this accepts
if (count($accepts) === 0) {
return true;
}// if count is zero will return true.
$types = (array) $contentTypes;// get this type
foreach ($accepts as $accept) {// loop accepts as accept
if ($accept === ‘*/*‘ || $accept === ‘*‘) {
return true;
}// if it is all ,will return good
foreach ($types as $type) {// loop this can be accept types ,and match it
if ($this->matchesType($accept, $type) || $accept === strtok($type, ‘/‘).‘/*‘) {
return true;
}// if has it ,just return true.
}
}
return false;
}
/**
* Return the most suitable content type from the given array based on content negotiation.
*
* @param string|array $contentTypes
* @return string|null
*/
public function prefers($contentTypes)
{//return the most suitable content type from the given array based on content negotiation.
$accepts = $this->getAcceptableContentTypes();// get this accept type
$contentTypes = (array) $contentTypes;// change this best type.
foreach ($accepts as $accept) {// loop again , i can see the after
if (in_array($accept, [‘*/*‘, ‘*‘])) {
return $contentTypes[0];
}// in_array
foreach ($contentTypes as $contentType) {// loop this contentTypes
$type = $contentType;// type
if (! is_null($mimeType = $this->getMimeType($contentType))) {
$type = $mimeType;
}// get this mimeType;
if ($this->matchesType($type, $accept) || $accept === strtok($type, ‘/‘).‘/*‘) {
return $contentType;
}// matches Type
}
}
}
/**
* Determines whether a request accepts JSON.
*
* @return bool
*/
public function acceptsJson()
{
return $this->accepts(‘application/json‘);
}// a wrap about json
/**
* Determines whether a request accepts HTML.
*
* @return bool
*/
public function acceptsHtml()
{
return $this->accepts(‘text/html‘);
}// a wrap about html
/**
* Get the data format expected in the response.
*
* @param string $default
* @return string
*/
public function format($default = ‘html‘)
{
foreach ($this->getAcceptableContentTypes() as $type) {
if ($format = $this->getFormat($type)) {
return $format;
}
}// loop for every thing
return $default;
}// i like this function to format every thing
/**
* Get the bearer token from the request headers.
*
* @return string|null
*/
public function bearerToken()
{
$header = $this->header(‘Authorization‘, ‘‘);
if (Str::startsWith($header, ‘Bearer ‘)) {
return Str::substr($header, 7);
}// get the Str::
}// bearer Token
/**
* Create an Illuminate request from a Symfony instance.
*
* @param \Symfony\Component\HttpFoundation\Request $request
* @return \Illuminate\Http\Request
*/
public static function createFromBase(SymfonyRequest $request)
{//Create an Illuminate request from a Symfony instance.
if ($request instanceof static) {
return $request;
}// request instanceof static
$content = $request->content;// get this content
$request = (new static)->duplicate(
$request->query->all(), $request->request->all(), $request->attributes->all(),
$request->cookies->all(), $request->files->all(), $request->server->all()
);// get request
$request->content = $content;
$request->request = $request->getInputSource();
return $request;
}// a wrap function
/**
* {@inheritdoc}
*/
public function duplicate(array $query = null, array $request = null, array $attributes = null, array $cookies = null, array $files = null, array $server = null)
{
return parent::duplicate($query, $request, $attributes, $cookies, array_filter((array) $files), $server);
}// duplicate is a good function
/**
* Get the session associated with the request.
*
* @return \Illuminate\Session\Store
*
* @throws \RuntimeException
*/
public function session()
{
if (! $this->hasSession()) {
throw new RuntimeException(‘Session store not set on request.‘);
}// has Session
return $this->getSession();// get Session
}//Get the session associated withe the request.
/**
* Get the user making the request.
*
* @param string|null $guard
* @return mixed
*/
public function user($guard = null)
{
return call_user_func($this->getUserResolver(), $guard);// just call user fucntion
}//Get the user making the request.
/**
* Get the route handling the request.
*
* @param string|null $param
*
* @return \Illuminate\Routing\Route|object|string
*/
public function route($param = null)
{//Get the route handling the request.
$route = call_user_func($this->getRouteResolver());// a function to get route
if (is_null($route) || is_null($param)) {
return $route;// get this route
} else {
return $route->parameter($param);// get the parameter
}
}
/**
* Get a unique fingerprint for the request / route / IP address.
*
* @return string
*
* @throws \RuntimeException
*/
public function fingerprint()
{// get the unique fingerprint for the request /route /IP address
if (! $this->route()) {
throw new RuntimeException(‘Unable to generate fingerprint. Route unavailable.‘);
}// if throw new Runtime Exception
return sha1(
implode(‘|‘, $this->route()->methods()).
‘|‘.$this->route()->domain().
‘|‘.$this->route()->uri().
‘|‘.$this->ip()
);// a sha1
}
/**
* Get the user resolver callback.
*
* @return \Closure
*/
public function getUserResolver()
{
return $this->userResolver ?: function () {
//
};
}//Get the user resolver callback
/**
* Set the user resolver callback.
*
* @param \Closure $callback
* @return $this
*/
public function setUserResolver(Closure $callback)
{
$this->userResolver = $callback;
return $this;//a function
}// Set the user resolver callback
/**
* Get the route resolver callback.
*
* @return \Closure
*/
public function getRouteResolver()
{
return $this->routeResolver ?: function () {
//
};// a null function
}//Get the route resolver callback.
/**
* Set the route resolver callback.
*
* @param \Closure $callback
* @return $this
*/
public function setRouteResolver(Closure $callback)
{
$this->routeResolver = $callback;
return $this;
}//Set the route resolver callback.
/**
* Get all of the input and files for the request.
*
* @return array
*/
public function toArray()
{
return $this->all();// return all
}//Get all of the input and files for the request.
/**
* Determine if the given offset exists.
*
* @param string $offset
* @return bool
*/
public function offsetExists($offset)
{
return array_key_exists($offset, $this->all());
}//array_key_exists
/**
* Get the value at the given offset.
*
* @param string $offset
* @return mixed
*/
public function offsetGet($offset)
{
return data_get($this->all(), $offset);
}//get the offset Get
/**
* Set the value at the given offset.
*
* @param string $offset
* @param mixed $value
* @return void
*/
public function offsetSet($offset, $value)
{
return $this->getInputSource()->set($offset, $value);
}// offset Set
/**
* Remove the value at the given offset.
*
* @param string $offset
* @return void
*/
public function offsetUnset($offset)
{
return $this->getInputSource()->remove($offset);
}// Unset
/**
* Check if an input element is set on the request.
*
* @param string $key
* @return bool
*/
public function __isset($key)
{
return ! is_null($this->__get($key));
}// isset method
/**
* Get an input element from the request.
*
* @param string $key
* @return mixed
*/
public function __get($key)
{
$all = $this->all();
if (array_key_exists($key, $all)) {
return $all[$key];
} else {
return $this->route($key);
}
}// a magic get
}本文出自 “专注php” 博客，请务必保留此出处http://jingshanls.blog.51cto.com/3357095/1843674
[李景山php]每天laravel-20161022|Request.php-3
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