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<?php /** * @package com_zoo * @author YOOtheme http://www.yootheme.com * @copyright Copyright (C) YOOtheme GmbH * @license http://www.gnu.org/licenses/gpl.html GNU/GPL */ /** * Helper do deal with request variables. Wrapper for JRequest * * @package Framework.Helpers */ class RequestHelper extends AppHelper { /** * Name of the wrapper class * * @var string * @since 1.0.0 */ protected $_class = 'JRequest'; /** * Get a variable from the request * * @param string $var The name of the variable * @param string $type The type of the variale (string, int, float, bool, array, word, cmd) * @param mixed $default The default value * * @return mixed The value of the variable * * @see JRequest::get() * * @since 1.0.0 */ public function get($var, $type, $default = null) { // parse variable name extract($this->_parse($var)); // get hash array, if name is empty if ($name == '') { return $this->_call(array($this->_class, 'get'), array($hash)); } // access a array value ? if (strpos($name, '.') !== false) { $parts = explode('.', $name); $array = $this->_call(array($this->_class, 'getVar'), array(array_shift($parts), $default, $hash, 'array')); foreach ($parts as $part) { if (!is_array($array) || !isset($array[$part])) { return $default; } $array =& $array[$part]; } return $array; } return $this->_call(array($this->_class, 'getVar'), array($name, $default, $hash, $type)); } /** * Set a request variable value * * @param string $var The variable name (hash:name) * @param mixed $value The value to set * * @return RequestHelper $this for chaining support * * @since 1.0.0 */ public function set($var, $value = null) { // parse variable name extract($this->_parse($var)); if (!empty($name)) { // set default hash to method if ($hash == 'default') { $hash = 'method'; } // set a array value ? if (strpos($name, '.') !== false) { $parts = explode('.', $name); $name = array_shift($parts); $array =& $this->_call(array($this->_class, 'getVar'), array($name, array(), $hash, 'array')); $val =& $array; foreach ($parts as $i => $part) { if (!isset($array[$part])) { $array[$part] = array(); } if (isset($parts[$i + 1])) { $array =& $array[$part]; } else { $array[$part] = $value; } } $value = $val; } $this->_call(array($this->_class, 'setVar'), array($name, $value, $hash)); } return $this; } /** * Map all the methods to the mapped class * * @param string $method The name of the method * @param array $args The list of arguments to pass on to the method * * @return mixed The result of the call * * @see JRequest * * @since 1.0.0 */ public function __call($method, $args) { return $this->_call(array($this->_class, $method), $args); } /** * Parse a variable string * * @param string $var The variable string to parse * * @return array An array containing the hash and the name of the variable * * @since 1.0.0 */ protected function _parse($var) { // init vars $parts = explode(':', $var, 2); $count = count($parts); $name = ''; $hash = 'default'; // parse variable name if ($count == 1) { list($name) = $parts; } elseif ($count == 2) { list($hash, $name) = $parts; } return compact('hash', 'name'); } }
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