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msd2/phpBB3/vendor/symfony/http-foundation/ParameterBag.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation;
+
+/**
+ * ParameterBag is a container for key/value pairs.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ParameterBag implements \IteratorAggregate, \Countable
+{
+    /**
+     * Parameter storage.
+     */
+    protected $parameters;
+
+    /**
+     * @param array $parameters An array of parameters
+     */
+    public function __construct(array $parameters = array())
+    {
+        $this->parameters = $parameters;
+    }
+
+    /**
+     * Returns the parameters.
+     *
+     * @return array An array of parameters
+     */
+    public function all()
+    {
+        return $this->parameters;
+    }
+
+    /**
+     * Returns the parameter keys.
+     *
+     * @return array An array of parameter keys
+     */
+    public function keys()
+    {
+        return array_keys($this->parameters);
+    }
+
+    /**
+     * Replaces the current parameters by a new set.
+     *
+     * @param array $parameters An array of parameters
+     */
+    public function replace(array $parameters = array())
+    {
+        $this->parameters = $parameters;
+    }
+
+    /**
+     * Adds parameters.
+     *
+     * @param array $parameters An array of parameters
+     */
+    public function add(array $parameters = array())
+    {
+        $this->parameters = array_replace($this->parameters, $parameters);
+    }
+
+    /**
+     * Returns a parameter by name.
+     *
+     * Note: Finding deep items is deprecated since version 2.8, to be removed in 3.0.
+     *
+     * @param string $key     The key
+     * @param mixed  $default The default value if the parameter key does not exist
+     * @param bool   $deep    If true, a path like foo[bar] will find deeper items
+     *
+     * @return mixed
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function get($key, $default = null, $deep = false)
+    {
+        if ($deep) {
+            @trigger_error('Using paths to find deeper items in '.__METHOD__.' is deprecated since Symfony 2.8 and will be removed in 3.0. Filter the returned value in your own code instead.', E_USER_DEPRECATED);
+        }
+
+        if (!$deep || false === $pos = strpos($key, '[')) {
+            return array_key_exists($key, $this->parameters) ? $this->parameters[$key] : $default;
+        }
+
+        $root = substr($key, 0, $pos);
+        if (!array_key_exists($root, $this->parameters)) {
+            return $default;
+        }
+
+        $value = $this->parameters[$root];
+        $currentKey = null;
+        for ($i = $pos, $c = \strlen($key); $i < $c; ++$i) {
+            $char = $key[$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('Malformed path. Path must end with "]".');
+        }
+
+        return $value;
+    }
+
+    /**
+     * Sets a parameter by name.
+     *
+     * @param string $key   The key
+     * @param mixed  $value The value
+     */
+    public function set($key, $value)
+    {
+        $this->parameters[$key] = $value;
+    }
+
+    /**
+     * Returns true if the parameter is defined.
+     *
+     * @param string $key The key
+     *
+     * @return bool true if the parameter exists, false otherwise
+     */
+    public function has($key)
+    {
+        return array_key_exists($key, $this->parameters);
+    }
+
+    /**
+     * Removes a parameter.
+     *
+     * @param string $key The key
+     */
+    public function remove($key)
+    {
+        unset($this->parameters[$key]);
+    }
+
+    /**
+     * Returns the alphabetic characters of the parameter value.
+     *
+     * @param string $key     The parameter key
+     * @param string $default The default value if the parameter key does not exist
+     * @param bool   $deep    If true, a path like foo[bar] will find deeper items
+     *
+     * @return string The filtered value
+     */
+    public function getAlpha($key, $default = '', $deep = false)
+    {
+        return preg_replace('/[^[:alpha:]]/', '', $this->get($key, $default, $deep));
+    }
+
+    /**
+     * Returns the alphabetic characters and digits of the parameter value.
+     *
+     * @param string $key     The parameter key
+     * @param string $default The default value if the parameter key does not exist
+     * @param bool   $deep    If true, a path like foo[bar] will find deeper items
+     *
+     * @return string The filtered value
+     */
+    public function getAlnum($key, $default = '', $deep = false)
+    {
+        return preg_replace('/[^[:alnum:]]/', '', $this->get($key, $default, $deep));
+    }
+
+    /**
+     * Returns the digits of the parameter value.
+     *
+     * @param string $key     The parameter key
+     * @param string $default The default value if the parameter key does not exist
+     * @param bool   $deep    If true, a path like foo[bar] will find deeper items
+     *
+     * @return string The filtered value
+     */
+    public function getDigits($key, $default = '', $deep = false)
+    {
+        // we need to remove - and + because they're allowed in the filter
+        return str_replace(array('-', '+'), '', $this->filter($key, $default, FILTER_SANITIZE_NUMBER_INT, array(), $deep));
+    }
+
+    /**
+     * Returns the parameter value converted to integer.
+     *
+     * @param string $key     The parameter key
+     * @param int    $default The default value if the parameter key does not exist
+     * @param bool   $deep    If true, a path like foo[bar] will find deeper items
+     *
+     * @return int The filtered value
+     */
+    public function getInt($key, $default = 0, $deep = false)
+    {
+        return (int) $this->get($key, $default, $deep);
+    }
+
+    /**
+     * Returns the parameter value converted to boolean.
+     *
+     * @param string $key     The parameter key
+     * @param mixed  $default The default value if the parameter key does not exist
+     * @param bool   $deep    If true, a path like foo[bar] will find deeper items
+     *
+     * @return bool The filtered value
+     */
+    public function getBoolean($key, $default = false, $deep = false)
+    {
+        return $this->filter($key, $default, FILTER_VALIDATE_BOOLEAN, array(), $deep);
+    }
+
+    /**
+     * Filter key.
+     *
+     * @param string $key     Key
+     * @param mixed  $default Default = null
+     * @param int    $filter  FILTER_* constant
+     * @param mixed  $options Filter options
+     * @param bool   $deep    Default = false
+     *
+     * @see http://php.net/manual/en/function.filter-var.php
+     *
+     * @return mixed
+     */
+    public function filter($key, $default = null, $filter = FILTER_DEFAULT, $options = array(), $deep = false)
+    {
+        static $filters = null;
+
+        if (null === $filters) {
+            foreach (filter_list() as $tmp) {
+                $filters[filter_id($tmp)] = 1;
+            }
+        }
+        if (\is_bool($filter) || !isset($filters[$filter]) || \is_array($deep)) {
+            @trigger_error('Passing the $deep boolean as 3rd argument to the '.__METHOD__.' method is deprecated since Symfony 2.8 and will be removed in 3.0. Remove it altogether as the $deep argument will be removed in 3.0.', E_USER_DEPRECATED);
+            $tmp = $deep;
+            $deep = $filter;
+            $filter = $options;
+            $options = $tmp;
+        }
+
+        $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, $options);
+    }
+
+    /**
+     * Returns an iterator for parameters.
+     *
+     * @return \ArrayIterator An \ArrayIterator instance
+     */
+    public function getIterator()
+    {
+        return new \ArrayIterator($this->parameters);
+    }
+
+    /**
+     * Returns the number of parameters.
+     *
+     * @return int The number of parameters
+     */
+    public function count()
+    {
+        return \count($this->parameters);
+    }
+}