Changed $_GET, $_POST and $_REQUEST to use the Request object

2 files changed, 127 insertions, 0 deletions

diff --git a/src/Http/Request.php b/src/Http/Request.php
new file mode 100644
index 00000000..2efd1e1d
--- /dev/null
+++ b/src/Http/Request.php
@@ -0,0 +1,110 @@
+<?php
+
+namespace Engelsystem\Http;
+
+use ErrorException;
+
+class Request
+{
+    /** @var self */
+    protected static $instance;
+
+    /** @var array of POST data */
+    protected $request;
+
+    /** @var array of GET data */
+    protected $query;
+
+    /**
+     * Initialize request
+     */
+    public function create()
+    {
+        $this->request = $_POST;
+        $this->query = $_GET;
+    }
+
+    /**
+     * Get GET input
+     *
+     * @param string $key
+     * @param mixed  $default
+     * @return mixed
+     */
+    public function get($key, $default = null)
+    {
+        if (!empty($this->query[$key])) {
+            return $this->query[$key];
+        }
+
+        return $default;
+    }
+
+    /**
+     * Get POST input
+     *
+     * @param string $key
+     * @param mixed  $default
+     * @return mixed
+     */
+    public function post($key, $default = null)
+    {
+        if (!empty($this->request[$key])) {
+            return $this->request[$key];
+        }
+
+        return $default;
+    }
+
+    /**
+     * Get input data
+     *
+     * @param string $key
+     * @param mixed  $default
+     * @return mixed
+     */
+    public function input($key, $default = null)
+    {
+        $data = $this->request + $this->query;
+
+        if (!empty($data[$key])) {
+            return $data[$key];
+        }
+
+        return $default;
+    }
+
+    /**
+     * Checks if the input exists
+     *
+     * @param string $key
+     * @return bool
+     */
+    public function has($key)
+    {
+        $value = $this->input($key);
+
+        return !empty($value);
+    }
+
+    /**
+     * @return self
+     * @throws ErrorException
+     */
+    public static function getInstance()
+    {
+        if (!self::$instance instanceof self) {
+            throw new ErrorException('Request not initialized');
+        }
+
+        return self::$instance;
+    }
+
+    /**
+     * @param self $instance
+     */
+    public static function setInstance($instance)
+    {
+        self::$instance = $instance;
+    }
+}
diff --git a/src/helpers.php b/src/helpers.php
index aeb256e9..a410b27e 100644
--- a/src/helpers.php
+++ b/src/helpers.php
@@ -2,6 +2,7 @@
 // Some useful functions
 
 use Engelsystem\Config\Config;
+use Engelsystem\Http\Request;
 
 /**
  * Get or set config values
@@ -22,3 +23,19 @@ function config($key = null, $default = null)
 
     return Config::getInstance()->get($key, $default);
 }
+
+/**
+ * @param string $key
+ * @param mixed  $default
+ * @return Request|mixed
+ */
+function request($key = null, $default = null)
+{
+    $request = Request::getInstance();
+
+    if (is_null($key)) {
+        return $request;
+    }
+
+    return $request->input($key, $default);
+}