[李景山php]每天laravel-20161021|Request.php-2

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    /**     * Determine if the current request URL and query string matches a pattern.     *     * @param  mixed  string     * @return bool     */    public function fullUrlIs()    {// check string like URL        $url = $this->fullUrl();        foreach (func_get_args() as $pattern) {            if (Str::is($pattern, $url)) {                return true;            }        }// foreach like loop it        return false;    }//Determine if the current request URL and query string matches a pattern.    /**     * Determine if the request is the result of an AJAX call.     *     * @return bool     */    public function ajax()    {        return $this->isXmlHttpRequest();    }//Determine if the request is the result of an AJAX call.    /**     * Determine if the request is the result of an PJAX call.     *     * @return bool     */    public function pjax()    {        return $this->headers->get('X-PJAX') == true;    }//Determine if the request is the result of an PJAX call.    /**     * Determine if the request is over HTTPS.     *     * @return bool     */    public function secure()    {        return $this->isSecure();    }//Determine if the request is over HTTPS.    /**     * Returns the client IP address.     *     * @return string     */    public function ip()    {        return $this->getClientIp();    }// Returns the client IP address.    /**     * Returns the client IP addresses.     *     * @return array     */    public function ips()    {        return $this->getClientIps();    }//Returns the client IP address.    /**     * Determine if the request contains a given input item key.     *     * @param  string|array  $key     * @return bool     */    public function exists($key)    {//Determine if the request contains a given input item key.        $keys = is_array($key) ? $key : func_get_args();// $key get the key        $input = $this->all();// get all input request        foreach ($keys as $value) {            if (! array_key_exists($value, $input)) {                return false;            }        }        return true;    }    /**     * Determine if the request contains a non-empty value for an input item.     *     * @param  string|array  $key     * @return bool     */    public function has($key)    {// Determine if the request contains a non-empty value for an input item.        $keys = is_array($key) ? $key : func_get_args();        foreach ($keys as $value) {            if ($this->isEmptyString($value)) {                return false;            }        }        return true;    }    /**     * Determine if the given input key is an empty string for "has".     *     * @param  string  $key     * @return bool     */    protected function isEmptyString($key)    {        $value = $this->input($key);        $boolOrArray = is_bool($value) || is_array($value);        return ! $boolOrArray && trim((string) $value) === '';    }//Determine if the given input key is an empty string for "has"    /**     * Get all of the input and files for the request.     *     * @return array     */    public function all()    {        return array_replace_recursive($this->input(), $this->allFiles());    }// Get all of the input and files for the request.    /**     * Retrieve an input item from the request.     *     * @param  string  $key     * @param  string|array|null  $default     * @return string|array     */    public function input($key = null, $default = null)    {        $input = $this->getInputSource()->all() + $this->query->all();        return data_get($input, $key, $default);    }//Retrieve an input item from the request.    /**     * Get a subset of the items from the input data.     *     * @param  array|mixed  $keys     * @return array     */    public function only($keys)    {//Get a subset of the items from the input data.        $keys = is_array($keys) ? $keys : func_get_args();// keys        $results = [];// get result        $input = $this->all();// get the input        foreach ($keys as $key) {// loop keys            Arr::set($results, $key, data_get($input, $key));        }        return $results;    }    /**     * Get all of the input except for a specified array of items.     *     * @param  array|mixed  $keys     * @return array     */    public function except($keys)    {        $keys = is_array($keys) ? $keys : func_get_args();        $results = $this->all();        Arr::forget($results, $keys);        return $results;    }//Get all of the input except for a specified array of items.    /**     * Retrieve a query string item from the request.     *     * @param  string  $key     * @param  string|array|null  $default     * @return string|array     */    public function query($key = null, $default = null)    {        return $this->retrieveItem('query', $key, $default);    }// Retrieve a query string item from the request.    /**     * Determine if a cookie is set on the request.     *     * @param  string  $key     * @return bool     */    public function hasCookie($key)    {        return ! is_null($this->cookie($key));// is_null    }//Determine if a cookie is set on the request.    /**     * Retrieve a cookie from the request.     *     * @param  string  $key     * @param  string|array|null  $default     * @return string|array     */    public function cookie($key = null, $default = null)    {        return $this->retrieveItem('cookies', $key, $default);    }//Retrieve a cookie from the request.    /**     * Get an array of all of the files on the request.     *     * @return array     */    public function allFiles()    {        $files = $this->files->all();        return $this->convertedFiles                    ? $this->convertedFiles                    : $this->convertedFiles = $this->convertUploadedFiles($files);    }//get allFiles    /**     * Convert the given array of Symfony UploadedFiles to custom Laravel UploadedFiles.     *     * @param  array  $files     * @return array     */    protected function convertUploadedFiles(array $files)    {//convert the given array of Smfony UploadedFiles to custom laravel UploadedFiles.        return array_map(function ($file) {            if (is_null($file) || (is_array($file) && empty(array_filter($file)))) {                return $file;            }            return is_array($file)                        ? $this->convertUploadedFiles($file)                        : UploadedFile::createFromBase($file);        }, $files);//return array_map    }    /**     * Retrieve a file from the request.     *     * @param  string  $key     * @param  mixed  $default     * @return \Symfony\Component\HttpFoundation\File\UploadedFile|array|null     */    public function file($key = null, $default = null)    {        return data_get($this->allFiles(), $key, $default);    }//Retrieve a file from the request.    /**     * Determine if the uploaded data contains a file.     *     * @param  string  $key     * @return bool     */    public function hasFile($key)    {//Determine if the uploaded data contains a file.        if (! is_array($files = $this->file($key))) {            $files = [$files];        }        foreach ($files as $file) {            if ($this->isValidFile($file)) {                return true;            }        }        return false;    }
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