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<?php
namespace Core;
/**
* Request class
*
* @package core
* @author Frederic Guillot
*/
class Request
{
/**
* Get URL string parameter
*
* @access public
* @param string $name Parameter name
* @param string $default_value Default value
* @return string
*/
public function getStringParam($name, $default_value = '')
{
return isset($_GET[$name]) ? $_GET[$name] : $default_value;
}
/**
* Get URL integer parameter
*
* @access public
* @param string $name Parameter name
* @param integer $default_value Default value
* @return integer
*/
public function getIntegerParam($name, $default_value = 0)
{
return isset($_GET[$name]) && ctype_digit($_GET[$name]) ? (int) $_GET[$name] : $default_value;
}
/**
* Get a form value
*
* @access public
* @param string $name Form field name
* @return string|null
*/
public function getValue($name)
{
$values = $this->getValues();
return isset($values[$name]) ? $values[$name] : null;
}
/**
* Get form values or unserialized json request
*
* @access public
* @return array
*/
public function getValues()
{
if (! empty($_POST)) {
if (Security::validateCSRFFormToken($_POST)) {
return $_POST;
}
return array();
}
$result = json_decode($this->getBody(), true);
if ($result) {
return $result;
}
return array();
}
/**
* Get the raw body of the HTTP request
*
* @access public
* @return string
*/
public function getBody()
{
return file_get_contents('php://input');
}
/**
* Get the content of an uploaded file
*
* @access public
* @param string $name Form file name
* @return string
*/
public function getFileContent($name)
{
if (isset($_FILES[$name])) {
return file_get_contents($_FILES[$name]['tmp_name']);
}
return '';
}
/**
* Return true if the HTTP request is sent with the POST method
*
* @access public
* @return bool
*/
public function isPost()
{
return isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'POST';
}
/**
* Return true if the HTTP request is an Ajax request
*
* @access public
* @return bool
*/
public function isAjax()
{
return $this->getHeader('X-Requested-With') === 'XMLHttpRequest';
}
/**
* Return a HTTP header value
*
* @access public
* @param string $name Header name
* @return string
*/
public function getHeader($name)
{
$name = 'HTTP_'.str_replace('-', '_', strtoupper($name));
return isset($_SERVER[$name]) ? $_SERVER[$name] : '';
}
/**
* Returns current request's query string, useful for redirecting
*
* @access public
* @return string
*/
public function getQueryString()
{
return $_SERVER['QUERY_STRING'];
}
}
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