<?php namespace Symfony\Component\HttpFoundation; class ParameterBag implements \IteratorAggregate, \Countable { protected $parameters; public function __construct(array $parameters = array()) { $this->parameters = $parameters; } public function all() { return $this->parameters; } public function keys() { return array_keys($this->parameters); } public function replace(array $parameters = array()) { $this->parameters = $parameters; } public function add(array $parameters = array()) { $this->parameters = array_replace($this->parameters, $parameters); } public function get($path, $default = null, $deep = false) { if (!$deep || false === $pos = strpos($path, '[')) { return array_key_exists($path, $this->parameters) ? $this->parameters[$path] : $default; } $root = substr($path, 0, $pos); if (!array_key_exists($root, $this->parameters)) { return $default; } $value = $this->parameters[$root]; $currentKey = null; for ($i = $pos, $c = strlen($path); $i < $c; $i++) { $char = $path[$i]; if ('[' === $char) { if (null !== $currentKey) { throw new \InvalidArgumentException(sprintf('Malformed path. Unexpected "[" at position %d.', $i)); } $currentKey = ''; } elseif (']' === $char) { if (null === $currentKey) { throw new \InvalidArgumentException(sprintf('Malformed path. Unexpected "]" at position %d.', $i)); } if (!is_array($value) || !array_key_exists($currentKey, $value)) { return $default; } $value = $value[$currentKey]; $currentKey = null; } else { if (null === $currentKey) { throw new \InvalidArgumentException(sprintf('Malformed path. Unexpected "%s" at position %d.', $char, $i)); } $currentKey .= $char; } } if (null !== $currentKey) { throw new \InvalidArgumentException(sprintf('Malformed path. Path must end with "]".')); } return $value; } public function set($key, $value) { $this->parameters[$key] = $value; } public function has($key) { return array_key_exists($key, $this->parameters); } public function remove($key) { unset($this->parameters[$key]); } public function getAlpha($key, $default = '', $deep = false) { return preg_replace('/[^[:alpha:]]/', '', $this->get($key, $default, $deep)); } public function getAlnum($key, $default = '', $deep = false) { return preg_replace('/[^[:alnum:]]/', '', $this->get($key, $default, $deep)); } public function getDigits($key, $default = '', $deep = false) { // we need to remove - and + because they're allowed in the filter return str_replace(array('-', '+'), '', $this->filter($key, $default, $deep, FILTER_SANITIZE_NUMBER_INT)); } public function getInt($key, $default = 0, $deep = false) { return (int) $this->get($key, $default, $deep); } public function filter($key, $default = null, $deep = false, $filter=FILTER_DEFAULT, $options=array()) { $value = $this->get($key, $default, $deep); // Always turn $options into an array - this allows filter_var option shortcuts. if (!is_array($options) && $options) { $options = array('flags' => $options); } // Add a convenience check for arrays. if (is_array($value) && !isset($options['flags'])) { $options['flags'] = FILTER_REQUIRE_ARRAY; } return filter_var($value, $filter, $options); } public function getIterator() { return new \ArrayIterator($this->parameters); } public function count() { return count($this->parameters); } }